1998 RU28

1998RU28, 2000 AZ21, 2000AZ21, 40177, J98R28U, K00A21Z

All data for this body: [vot]

MPC data
Name (number) 1998 RU28 (40177)
a 3.12400
e 0.18612
i / sin(i) 2.1813 / 0.03806
q 2.54256
Q 3.70544
ω 272.8503
Node 56.0897
m 313.5016
n 0.1785
Epoch 2460800.5
nobs 1630
nopp 22
Years observed 1998-2025
rms 0.82
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.125
ep 0.160
sin(ip) 0.027
G 0.150
H 14.210
Mass
D
pV
Value
Rotational Period 11.500
Period quality 2
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
24 Themis 0 Themis Novakovic 2019EPSC...13.1671N HCM
24 Themis 602 Themis -0.0600 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1253 0.1598 0.0272 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
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
14.21 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
11.57 2 Synodic Yeh 2020AJ....160...73Y Lightcurve