Alkimos

12714, 1990 EY1, 1990EY1, 1991 GX1, 1991GX1, J90E01Y, J91G01X

All data for this body: [vot]

MPC data

Name (number)	Alkimos (12714)
a	5.24630
e	0.03773
i / sin(i)	9.5005 / 0.16506
q	5.04837
Q	5.44422
ω	163.7352
Node	298.9109
m	51.7567
n	0.0820
Epoch	2460800.5

n_obs	3858
n_opp	28
Years observed	1990-2025
rms	0.63

Best values

	Value	Standard error
Parent

a_p
e_p
sin(i_p)
G	0.150
H	10.260
Mass
D	46.71	0.622
pV	0.048	0.0054

	Value
Rotational Period	28.400
Period quality	3-
Spectral Class	D
Spectral Class Score	21.352

Diameter data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
45.61	0.760	0.760	Grav	2011ApJ...742...40G	NEATM
47.82	1.160	1.160	Grav	2012ApJ...759...49G	NEATM
53.39	10.680	10.680	Ali-Lagoa	2018A&A...612A..85A	NEATM
54.62	4.200	4.200	Usui	2011PASJ...63.1117U	NEATM
58.63	11.730	11.730	Ali-Lagoa	2018A&A...612A..85A	NEATM
61.04	5.400	5.400	Tedesco	2002AJ....123.1056T	STM

Albedo data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.036	0.0070	0.0070	Tedesco	2002AJ....123.1056T	STM
0.045	0.0180	0.0180	Ali-Lagoa	2018A&A...612A..85A	NEATM
0.054	0.0220	0.0220	Ali-Lagoa	2018A&A...612A..85A	NEATM
0.070	0.0140	0.0140	Grav	2012ApJ...759...49G	NEATM
0.085	0.0170	0.0170	Grav	2011ApJ...742...40G	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
10.26			MPC-2023-12-04	MPC-2023-12-04	Phot

Periods

Value	Quality	Side real or Synodic	Author	Reference	Method
28.48	3-	Synodic	French	2012MPBu...39..183F	Lightcurve

Spectral Class Data

Class 1	Class 2	Probability of Class 1	Probability of Class 2	Taxonomy	Wavelength	Author	Reference	Method
D		0.854		Bus-Demeo	VIS	Sergeyev	2022A&A...658A.109S	PHOT
D	D	0.8951	0.9020	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT
D	D	0.8979	0.9020	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT
D	D	0.9116	0.9020	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT