1990 RG2

1990RG2, 16485, 1994 JZ, 1994JZ, J90R02G, J94J00Z

All data for this body: [vot]

MPC data
Name (number) 1990 RG2 (16485)
a 3.15247
e 0.23060
i / sin(i) 10.7127 / 0.18588
q 2.42552
Q 3.87942
ω 170.1979
Node 185.1308
m 61.3706
n 0.1761
Epoch 2460800.5
nobs 2808
nopp 25
Years observed 1990-2025
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent Lixiaohua (3556)
 
ap 3.144
ep 0.210
sin(ip) 0.177
G 0.150
H 13.500
Mass
D 13.56 0.250
pV 0.059 0.0090
Value
Rotational Period 9.255
Period quality 2
Spectral Class C
Spectral Class Score 15.363
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
3556 Lixiaohua 0 Lixiaohua Novakovic 2019EPSC...13.1671N HCM
3556 Lixiaohua 613 Lixiaohua -0.9700 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1439 0.2104 0.1769 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
11.35 3.050 3.050 Masiero 2020PSJ.....1....5M NEATM
12.40 0.910 0.910 Usui 2011PASJ...63.1117U NEATM
12.72 3.540 3.540 Masiero 2020PSJ.....1....5M NEATM
12.81 2.560 2.560 Ali-Lagoa 2018A&A...612A..85A NEATM
13.68 0.263 0.263 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.037 0.0230 0.0230 Masiero 2020PSJ.....1....5M NEATM
0.056 0.0220 0.0220 Ali-Lagoa 2018A&A...612A..85A NEATM
0.060 0.0420 0.0420 Masiero 2020PSJ.....1....5M NEATM
0.065 0.0113 0.0113 Masiero 2011ApJ...741...68M 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
13.50 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
9.2553 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S X 0.4370 0.2040 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X 0.09 Bus VIS Carvano 2010A&A...510A..43C PHOT
X 0.887 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
X X 0.7008 0.2040 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C X 0.0582 0.2040 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C X 0.0889 0.2040 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C X 0.2555 0.2040 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C X 0.3572 0.2040 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C X 0.4060 0.2040 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C X 0.5305 0.2040 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C X 0.5308 0.2040 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT