1987 RB1

1987RB1, 09163, 1993 TE43, 1993TE43, 1996 DV4, 1996DV4, J87R01B, J93T43E, J96D04V

All data for this body: [vot]

MPC data
Name (number) 1987 RB1 (9163)
a 3.16141
e 0.20286
i / sin(i) 1.3503 / 0.02356
q 2.52009
Q 3.80273
ω 118.7096
Node 193.4366
m 263.6482
n 0.1753
Epoch 2460800.5
nobs 2473
nopp 26
Years observed 1987-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.176
ep 0.175
sin(ip) 0.034
G 0.150
H 13.870
Mass
D 8.98 0.096
pV 0.058 0.0110
Value
Rotational Period
Period quality None
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 0.3100 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1756 0.1753 0.0343 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
8.47 2.440 2.440 Nugent 2016AJ....152...63N NEATM
8.96 2.220 2.220 Nugent 2016AJ....152...63N NEATM
8.98 0.096 0.096 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.058 0.0117 0.0117 Masiero 2011ApJ...741...68M NEATM
0.060 0.0400 0.0400 Nugent 2016AJ....152...63N NEATM
0.060 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
13.87 MPC-2023-12-04 MPC-2023-12-04 Phot