1998 RJ31

1998RJ31, 1999 TU210, 1999TU210, 44320, J98R31J, J99TL0U

All data for this body: [vot]

MPC data
Name (number) 1998 RJ31 (44320)
a 2.68545
e 0.11464
i / sin(i) 12.2512 / 0.21220
q 2.37760
Q 2.99330
ω 198.0189
Node 327.8058
m 202.1027
n 0.2240
Epoch 2460800.5
nobs 2398
nopp 22
Years observed 1998-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.687
ep 0.158
sin(ip) 0.221
G 0.150
H 13.950
Mass
D 5.03 0.110
pV 0.233 0.0333
Value
Rotational Period 68.517
Period quality 2
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
15 Eunomia 0 Eunomia Novakovic 2019EPSC...13.1671N HCM
15 Eunomia 502 Eunomia 0.4100 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6866 0.1577 0.2211 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.97 0.600 0.600 Masiero 2012ApJ...759L...8M NEATM
5.03 0.112 0.112 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.231 0.0423 0.0423 Masiero 2011ApJ...741...68M NEATM
0.237 0.0540 0.0540 Masiero 2012ApJ...759L...8M 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
13.95 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
68.5178 2 Synodic Pal 2020ApJS..247...26P Lightcurve