Psyche

00016, 1852 FA, 1852FA, I52F00A

All data for this body: [vot]

MPC data

Name (number)	Psyche (16)
a	2.92366
e	0.13419
i / sin(i)	3.0968 / 0.05402
q	2.53133
Q	3.31600
ω	229.4104
Node	150.0269
m	243.1553
n	0.1972
Epoch	2460200.5

n_obs	7727
n_opp	93
Years observed	1852-2023
rms	0.48

Best values

	Value	Standard error
Parent

a_p	2.922
e_p	0.103
sin(i_p)	0.044

	Value	Standard error
G	0.150
H	6.210
Mass	2.588e+19	3.227e+17
D	230.58	1.398
pV	0.125	0.0033
Rotational Period	4.196

Proper elements data

a_p	e_p	sin(i_p)	Author	Reference	Method
2.9221	0.1029	0.0441	Novakovic_Radovic_Todovic	2003A&A...403.1165K	Numeric-Oct-2022

Mass data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
1.7300e+19	5.1700e+18	5.1700e+18	Viateau	2000A&A...354..725V	Deflec
2.0200e+19	4.3400e+18	4.3400e+18	Zielenbach	2011AJ....142..120Z	Deflec
2.1900e+19	7.9600e+17	7.9600e+17	Baer	2008DPS....40.5209B	Deflec
2.2100e+19	2.1000e+18	2.1000e+18	Avdellidou	2018MNRAS.475.3419A	Ephem
2.2217e+19	7.7571e+17	7.7571e+17	Siltala&Granvik	2021ApJ...909L..14S	Deflec
2.2295e+19	3.6428e+18	3.6428e+18	Fienga	inpop13c	Ephem
2.2300e+19	3.6000e+18	3.6000e+18	Fienga	2014arXiv1405.0484F	Ephem
2.2700e+19	8.3500e+17	8.3500e+17	Baer	2011AJ....141..143B	Deflec
2.2900e+19			Folkner	2014IPNPR.196C...1F	Ephem
2.3500e+19	3.9400e+18	3.9400e+18	Zielenbach	2011AJ....142..120Z	Deflec
2.4400e+19	1.6100e+18	1.6100e+18	Zielenbach	2011AJ....142..120Z	Deflec
2.4600e+19	1.6200e+18	1.6200e+18	Zielenbach	2011AJ....142..120Z	Deflec
2.4700e+19	6.8400e+18	6.8400e+18	Konopliv	2011Icar..211..401K	Ephem
2.5081e+19	4.3746e+18	4.3746e+18	Fienga	2013arXiv1301.1510F	Ephem
2.5100e+19	3.6400e+18	3.6400e+18	Fienga	2011CeMDA.111..363F	Ephem
2.5300e+20	3.5800e+19	3.5800e+19	Vasiliev	Vasiliev	Deflec
2.5400e+19	2.6000e+18	2.6000e+18	Viswanathan	inpop17a_v3	Ephem
2.5900e+19	3.3800e+18	3.3800e+18	Baer	2008CeMDA.100...27B	Deflec
2.6700e+19	4.3800e+18	4.3800e+18	Kochetova	2004SoSyR..38...66K	Deflec
2.1068e+19	2.1220e+18	2.1220e+18	Fienga	2017NSTIM.108.....V	Ephem
2.1422e+19	2.5080e+18	2.5080e+18	Fienga	2020MNRAS.492..589F	Ephem
3.1700e+19	6.3700e+17	6.3700e+17	Fienga	2009A&A...507.1675F	Ephem
3.3500e+19			Folkner	2009IPNPR.178C...1F	Ephem
4.5900e+19	1.9300e+19	1.9300e+19	Somenzi	2010P&SS...58..858S	Deflec
4.9700e+19	1.9900e+18	1.9900e+18	Krasinsky	Krasinsky	Deflec
6.7200e+19	5.5700e+18	5.5700e+18	Kuzmanoski	2002A&A...395L..17K	Deflec
7.9600e+19	2.7800e+19	2.7800e+19	Ivantsov	2008P&SS...56.1857I	Deflec

Diameter data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
177.00	26.000	26.000	Shepard	2008Icar..195..184S	RADAR
186.00	30.000	30.000	Shepard	2008Icar..195..184S	RADAR
199.56	39.910	39.910	Ali-Lagoa	2018A&A...612A..85A	NEATM
207.22	2.980	2.980	Usui	2011PASJ...63.1117U	NEATM
213.00	15.000	15.000	Hanus	2013Icar..226.1045H	AO/LC
213.00	nan	nan	Lupishko	2006SoSyR..40..214L	Polarim
222.00	4.000	4.000	Ferrais	2020A&A...638L..15F	AO
222.58	5.579	5.579	Ryan&Woodward	2010AJ....140..933R	IRAS-STM
223.00	7.000	7.000	Drummond	2018Icar..305..174D	AO
224.00	5.000	5.000	Ferrais	2020A&A...638L..15F	AO
225.00	20.000	20.000	Durech	2011Icar..214..652D	OCCULT
225.00	4.000	4.000	Hanus	2017A&A...601A.114H	AO/OCCULT/LC
226.00	23.000	23.000	Shepard	2017Icar..281..388S	RADAR/AO/OC
226.00	5.000	5.000	Viikinkoski	2018A&A...619L...3V	AO/OCCULT
236.18	23.620	23.620	Ali-Lagoa	2018A&A...612A..85A	NEATM
253.16	4.000	4.000	Tedesco	2002AJ....123.1056T	STM
269.69	11.501	11.501	Ryan&Woodward	2010AJ....140..933R	IRAS-NEATM
288.00	nan	nan	Cellino	2003Icar..162..278C	Speckle_Interf.
288.29	4.630	4.630	Masiero	2012ApJ...759L...8M	NEATM

Albedo data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.093	0.0240	0.0240	Masiero	2012ApJ...759L...8M	NEATM
0.107	0.0092	0.0092	Ryan&Woodward	2010AJ....140..933R	IRAS-NEATM
0.120	0.0040	0.0040	Tedesco	2002AJ....123.1056T	STM
0.133	0.0270	0.0270	Ali-Lagoa	2018A&A...612A..85A	NEATM
0.156	0.0079	0.0079	Ryan&Woodward	2010AJ....140..933R	IRAS-STM
0.187	0.0750	0.0750	Ali-Lagoa	2018A&A...612A..85A	NEATM

G data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.15			MPC-2023-12-94	MPC-2023-12-94	Phot

H data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
6.21			MPC-2023-12-04	MPC-2023-12-04	Phot

Period data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
4.16			Behrend	LCDB	Lightcurve
4.18			ECLA	LCDB	Lightcurve
4.20			Tedesco	1985Icar...61..241T	Model
4.20			Kaasalainen	2002Icar..159..369K	Model
4.20			Drummond	1991Icar...89...44D	Model
4.20			Durech	2011Icar..214..652D	Model
4.20			Ferrais	2020A&A...638L..15F	Model
4.20			Hanus	2013Icar..226.1045H	Model
4.20			Hanus	2016A&A...586A.108H	Model
4.20			Hanus	2017A&A...601A.114H	Model
4.20			Shepard	2021PSJ.....2..125S	Model
4.20			Vernazza	2021A&A...654A..56V	Model
4.20			Viikinkoski	2018A&A...619L...3V	Model
4.20			De Angelis	1993P&SS...41..285D	Model
4.20			Drummond	1988Icar...76...19D	Model
4.20			Magnusson	1990Icar...85..229M	Model
4.20			Drummond	2018Icar..305..174D	Model
4.20			Lupishko	1982AVest..16..101L	Lightcurve
4.20			Lupishko	1983acm..proc...55L	Lightcurve
4.20			Magnusson	1986Icar...68....1M	Model
4.20			Piironen	1997A&AS..121..489P	Lightcurve
4.20			Tedesco	1983Icar...54...30T	Lightcurve
4.20			Weidenschilling	1987Icar...70..191W	Lightcurve
4.20			Zhou	1981AcASn..22..378Z	Lightcurve
4.20			Ferrais	2022MPBu...49..307F	Lightcurve
4.20			Warner	2016MPBu...43..137W	Lightcurve
4.20			Chang	1981ChA&A...5..434C	Lightcurve
4.20			Zhou	1982AcASn..23..349Z	Lightcurve
4.21			Broglia	1992A&A...257..770B	Lightcurve
4.30			Taylor	1976AJ.....81..778T	Lightcurve
4.30			Van Houten Groeneveld	1958ApJ...127..253V	Lightcurve

Spectral Class Data

Class 1	Class 2	Probability of Class 1	Probability of Class 2	Taxonomy	Author	Reference	Method
B		0.165	None	Bus-Demeo	Sergeyev	2022A&A...658A.109S	PHOT
S	S	1.0	0.335	Bus-Demeo	Sergeyev	2021A&A...652A..59S	PHOT
V	S	1.0	0.335	Bus-Demeo	Sergeyev	2021A&A...652A..59S	PHOT
X		None	None	Bus	Bus	2002Icar..158..146B	SPEC
X		None	None	Bus	Fornasier	2010Icar..210..655F	SPEC
X		None	None	Bus	OckertBell	2008Icar..195..206O	SPEC
Xk		None	None	Bus-DeMeo	DeMeo	2009Icar..202..160D	SPEC
Xk		None	None	Bus-DeMeo	Fornasier	2010Icar..210..655F	SPEC
Xk		None	None	Bus-DeMeo	Neeley	2014Icar..238...37N	SPEC
Xk		None	None	Bus-DeMeo	Ockert-Bell	2010Icar..210..674O	SPEC