Rosoff

1978 WG20, 1978WG20, 1999 JV50, 1999JV50, 21611, J78W20G, J99J50V

All data for this body: [vot]

MPC data
Name (number) Rosoff (21611)
a 2.67564
e 0.19716
i / sin(i) 12.5708 / 0.21765
q 2.14811
Q 3.20316
ω 126.7190
Node 213.3025
m 253.4762
n 0.2252
Epoch 2460800.5
nobs 2840
nopp 24
Years observed 1978-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.676
ep 0.153
sin(ip) 0.231
G 0.150
H 14.300
Mass
D 4.36 0.089
pV 0.233 0.0470
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 4.350
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
15 Eunomia 0 Eunomia Novakovic 2019EPSC...13.1671N HCM
15 Eunomia 502 Eunomia 0.2700 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6760 0.1527 0.2311 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.36 0.089 0.089 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.233 0.0470 0.0470 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
14.30 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.725 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT