1991 RB1

1991RB1, 10535, 1987 WR1, 1987WR1, 1998 DX28, 1998DX28, J87W01R, J91R01B, J98D28X

All data for this body: [vot]

MPC data
Name (number) 1991 RB1 (10535)
a 2.81491
e 0.16893
i / sin(i) 6.1978 / 0.10796
q 2.33937
Q 3.29044
ω 98.8586
Node 252.8466
m 48.5919
n 0.2087
Epoch 2460800.5
nobs 3623
nopp 24
Years observed 1987-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.814
ep 0.129
sin(ip) 0.131
G 0.150
H 13.430
Mass
D 8.50 1.358
pV 0.104 0.0378
Value
Rotational Period 23.630
Period quality 2
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8137 0.1292 0.1305 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.89 2.550 2.550 Nugent 2016AJ....152...63N NEATM
8.58 2.240 2.240 Masiero 2021PSJ.....2..162M NEATM
8.90 2.300 2.300 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.093 0.0380 0.0640 Masiero 2021PSJ.....2..162M NEATM
0.110 0.0700 0.0700 Nugent 2016AJ....152...63N NEATM
0.128 0.0950 0.0950 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
13.43 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
23.632 2 Sidereal Durech 2023A&A...675A..24D Model