Roche

1980 FS8, 1980FS8, 1997 XW7, 1997XW7, 1999 OF, 1999OF, 38237, J80F08S, J97X07W, J99O00F

All data for this body: [vot]

MPC data
Name (number) Roche (38237)
a 2.37778
e 0.16458
i / sin(i) 1.4966 / 0.02612
q 1.98644
Q 2.76912
ω 295.7882
Node 290.6148
m 73.6163
n 0.2688
Epoch 2460800.5
nobs 1528
nopp 22
Years observed 1980-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent Nysa (44)
 
ap 2.378
ep 0.187
sin(ip) 0.043
G 0.150
H 15.800
Mass
D 1.77 0.327
pV 0.271 0.1112
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
135 Hertha 0 Hertha Novakovic 2019EPSC...13.1671N HCM
44 Nysa 405 Nysa-Polana -0.3600 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3784 0.1872 0.0425 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.77 0.327 0.327 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.271 0.1112 0.1112 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
15.80 MPC-2023-12-04 MPC-2023-12-04 Phot