Elpis

00059, 1860 RA, 1860RA, 1900 SC, 1900SC, I60R00A, J00S00C

All data for this body: [vot]

MPC data
Name (number) Elpis (59)
a 2.71414
e 0.11675
i / sin(i) 8.6475 / 0.15035
q 2.39727
Q 3.03101
ω 211.0840
Node 169.9125
m 284.2582
n 0.2204
Epoch 2460800.5
nobs 6462
nopp 81
Years observed 1865-2025
rms 0.62
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.713
ep 0.073
sin(ip) 0.145
G 0.150
H 8.100
Mass 1.002e+19 3.240e+16
D 159.70 1.515
pV 0.045 0.0018
Value
Rotational Period 13.670
Period quality 3
Spectral Class C
Spectral Class Score 24.580
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7133 0.0729 0.1454 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Mass data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.0200e+19 3.2800e+16 3.2800e+16 Fienga 2014arXiv1405.0484F Ephem
2.7500e+18 3.7600e+17 3.7600e+17 Zielenbach 2011AJ....142..120Z Deflec
2.8800e+18 3.7200e+17 3.7200e+17 Zielenbach 2011AJ....142..120Z Deflec
2.8800e+18 3.7200e+17 3.7200e+17 Zielenbach 2011AJ....142..120Z Deflec
3.0500e+18 3.4700e+18 3.4700e+18 Zielenbach 2011AJ....142..120Z Deflec
3.1836e+18 1.2823e+18 1.2823e+18 Fienga INPOP19a Ephem
4.1500e+18 1.7500e+18 1.7500e+18 Fienga 2011CeMDA.111..363F Ephem
4.2600e+18 Folkner 2014IPNPR.196C...1F Ephem
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
136.44 47.440 47.440 Nugent 2016AJ....152...63N NEATM
138.40 50.320 50.320 Nugent 2016AJ....152...63N NEATM
138.78 41.860 41.860 Masiero 2020PSJ.....1....5M NEATM
144.66 4.879 4.879 Ryan&Woodward 2010AJ....140..933R IRAS-STM
153.07 15.310 15.310 Ali-Lagoa 2018A&A...612A..85A NEATM
153.57 41.359 41.359 Masiero 2017AJ....154..168M NEATM
156.18 2.310 2.310 Usui 2011PASJ...63.1117U NEATM
157.93 50.660 50.660 Masiero 2020PSJ.....1....5M NEATM
164.80 6.000 6.000 Tedesco 2002AJ....123.1056T STM
165.12 4.510 4.510 Masiero 2014ApJ...791..121M NEATM
165.69 3.038 3.038 Masiero 2011ApJ...741...68M NEATM
169.30 55.888 55.888 Masiero 2017AJ....154..168M NEATM
175.53 17.550 17.550 Ali-Lagoa 2018A&A...612A..85A NEATM
182.23 9.595 9.595 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.036 0.0038 0.0038 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.039 0.0080 0.0080 Ali-Lagoa 2018A&A...612A..85A NEATM
0.040 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.043 0.0274 0.0274 Masiero 2017AJ....154..168M NEATM
0.043 0.0094 0.0094 Masiero 2011ApJ...741...68M NEATM
0.044 0.0030 0.0030 Tedesco 2002AJ....123.1056T STM
0.046 0.0360 0.0360 Masiero 2020PSJ.....1....5M NEATM
0.051 0.0344 0.0344 Masiero 2017AJ....154..168M NEATM
0.052 0.0100 0.0100 Ali-Lagoa 2018A&A...612A..85A NEATM
0.054 0.0410 0.0410 Masiero 2020PSJ.....1....5M NEATM
0.057 0.0038 0.0038 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.060 0.0700 0.0700 Nugent 2016AJ....152...63N NEATM
0.060 0.0900 0.0900 Nugent 2016AJ....152...63N NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2023-12-94 MPC-2023-12-94 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
8.10 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
13.671 3 Synodic Pilcher 2018MPBu...45..181P Lightcurve
13.672 3 Synodic Pilcher 2020MPBu...47..344P Lightcurve
13.6741 2 Sidereal Durech 2020A&A...643A..59D Model
13.6744 2 Sidereal Durech 2023A&A...675A..24D Model
13.676 3- Synodic Pilcher 2019MPBu...46..445P Lightcurve
13.68 3 Synodic Shevchenko 1996A&AS..115..475S Lightcurve
13.69 2- Synodic Behrend LCDB Lightcurve
13.69 2 Synodic Behrend LCDB Lightcurve
13.69 2 Synodic Behrend LCDB Lightcurve
13.69 2+ Synodic Behrend LCDB Lightcurve
13.69 3 Synodic Debehogne 1978A&AS...33....1D Lightcurve
14.0 1 Synodic Behrend LCDB Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B Bus VIS Bus 2002Icar..158..146B SPEC
C Bus-DeMeo NIR de Leon 2012Icar..218..196D SPEC
C 0.940000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
Cx Howell VISNIR Howell 1994JGR....9910847H PHOT
X 1.000 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT