1999 RQ181

1999RQ181, 1993 OL7, 1993OL7, 1996 FU3, 1996FU3, 40640, J93O07L, J96F03U, J99RI1Q

All data for this body: [vot]

MPC data
Name (number) 1999 RQ181 (40640)
a 3.13190
e 0.20629
i / sin(i) 1.4878 / 0.02596
q 2.48581
Q 3.77798
ω 320.0709
Node 58.6225
m 215.2797
n 0.1778
Epoch 2460800.5
nobs 1594
nopp 22
Years observed 1993-2025
rms 0.77
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.133
ep 0.172
sin(ip) 0.016
G 0.150
H 14.720
Mass
D 6.87 0.097
pV 0.041 0.0051
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 0.0000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1334 0.1716 0.0164 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.87 0.097 0.097 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.041 0.0051 0.0051 Masiero 2011ApJ...741...68M 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
14.72 MPC-2023-12-04 MPC-2023-12-04 Phot