Opik

02099, 1977 UL2, 1977UL2, 1977 VB, 1977VB, J77U02L, J77V00B

All data for this body: [vot]

MPC data
Name (number) Opik (2099)
a 2.30410
e 0.36048
i / sin(i) 26.9615 / 0.45339
q 1.47353
Q 3.13468
ω 159.3873
Node 218.8067
m 217.5205
n 0.2818
Epoch 2460800.5
nobs 1652
nopp 22
Years observed 1970-2025
rms 0.79
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.272
ep 0.391
sin(ip) 0.429
G 0.150
H 15.110
Mass
D 6.39 0.853
pV 0.031 0.0099
Value
Rotational Period 6.440
Period quality 2
Spectral Class Ch
Spectral Class Score 47.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2719 0.3909 0.4289 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.17 1.350 1.350 Nugent 2016AJ....152...63N NEATM
7.20 1.100 1.100 Ali-Lagoa 2017A&A...603A..55A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.030 0.0100 0.0100 Ali-Lagoa 2017A&A...603A..55A NEATM
0.050 0.0600 0.0600 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
15.11 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
6.44 2 Synodic Fauerbach 2021MPBu...48..225F Lightcurve
6.443 2 Synodic Behrend LCDB Lightcurve
9.3 2 Synodic Goretti 2000MPBu...27...46G Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C 0.900000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
C C 0.1785 0.1785 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
Ch Bus-DeMeo VISNIR Binzel 2019Icar..324...41B SPEC
Ch Bus-DeMeo VISNIR DeMeo 2009Icar..202..160D SPEC
Ch Bus VIS Bus 2002Icar..158..146B SPEC