Ashbrook

02157, 1924 EF, 1924EF, 1952 FF1, 1952FF1, 1957 JD1, 1957JD1, 1970 ED, 1970ED, 1975 EG1, 1975EG1, J24E00F, J52F01F, J57J01D, J70E00D, J75E01G

All data for this body: [vot]

MPC data
Name (number) Ashbrook (2157)
a 2.78313
e 0.11108
i / sin(i) 8.6249 / 0.14997
q 2.47398
Q 3.09228
ω 265.4992
Node 349.4175
m 82.8260
n 0.2123
Epoch 2460200.5
nobs 5321
nopp 30
Years observed 1924-2023
rms 0.43
Best values
[raw, vot]

Value Standard error
Parent Gefion (1272)
 
ap 2.783
ep 0.129
sin(ip) 0.160
Value Standard error
G 0.150
H 12.190
Mass
D 13.42 2.190
pV 0.170 0.0770
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
1272 Gefion 516 Gefion -0.0200 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7834 0.1290 0.1598 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
13.42 2.190 2.190 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.170 0.0770 0.0770 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
12.19 MPC-2023-12-04 MPC-2023-12-04 Phot