1999 RG90

1999RG90, 1975 VG5, 1975VG5, 1987 UB8, 1987UB8, 1991 SN2, 1991SN2, 1993 FP16, 1993FP16, 74660, J75V05G, J87U08B, J91S02N, J93F16P, J99R90G

All data for this body: [vot]

MPC data
Name (number) 1999 RG90 (74660)
a 2.53292
e 0.27294
i / sin(i) 4.8572 / 0.08467
q 1.84157
Q 3.22427
ω 301.5855
Node 120.0778
m 85.6399
n 0.2445
Epoch 2460800.5
nobs 1624
nopp 21
Years observed 1975-2025
rms 0.77
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.535
ep 0.247
sin(ip) 0.079
G 0.150
H 15.230
Mass
D 5.97 0.444
pV 0.052 0.0089
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5350 0.2471 0.0793 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.08 1.350 1.350 Nugent 2016AJ....152...63N NEATM
5.21 1.550 1.550 Masiero 2021PSJ.....2..162M NEATM
6.17 0.494 0.494 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.051 0.0094 0.0094 Masiero 2011ApJ...741...68M NEATM
0.059 0.0240 0.0400 Masiero 2021PSJ.....2..162M NEATM
0.060 0.0500 0.0500 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
15.23 MPC-2023-12-04 MPC-2023-12-04 Phot