2000 OC21

2000OC21, 18908, 1977 UL4, 1977UL4, 1981 UN7, 1981UN7, 1999 GG27, 1999GG27, J77U04L, J81U07N, J99G27G, K00O21C

All data for this body: [vot]

MPC data
Name (number) 2000 OC21 (18908)
a 2.44905
e 0.22301
i / sin(i) 2.8276 / 0.04933
q 1.90290
Q 2.99520
ω 272.6200
Node 49.7039
m 33.7569
n 0.2572
Epoch 2460200.5
nobs 1843
nopp 22
Years observed 1977-2023
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent Nysa (44)
 
ap 2.449
ep 0.189
sin(ip) 0.040
Value Standard error
G 0.150
H 15.120
Mass
D 5.08 0.275
pV 0.073 0.0146
Rotational Period
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
44 Nysa 405 Nysa-Polana 0.3000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4491 0.1894 0.0401 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.30 0.900 0.900 Nugent 2016AJ....152...63N NEATM
3.35 0.910 0.910 Masiero 2021PSJ.....2..162M NEATM
3.76 0.830 0.830 Masiero 2021PSJ.....2..162M NEATM
5.75 0.328 0.328 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.064 0.0156 0.0156 Masiero 2011ApJ...741...68M NEATM
0.125 0.0520 0.0880 Masiero 2021PSJ.....2..162M NEATM
0.140 0.0700 0.0700 Nugent 2016AJ....152...63N NEATM
0.158 0.0620 0.1020 Masiero 2021PSJ.....2..162M 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
15.12 MPC-2023-12-04 MPC-2023-12-04 Phot