Ashbrook

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

All data for this body: [vot]

MPC data
Name (number) Ashbrook (2157)
Packed designation 02157
a 2.78340
e 0.11144
i / sin(i) 8.6259 / 0.14998
q 2.47320
Q 3.09359
ω 265.2715
Node 349.4180
m 315.6384
n 0.2122
Epoch 2459600.5
nobs 3120
nopp 29
Years observed 1924-2022
rms 0.53
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 12.100
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-Jan-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-2022-01-18 MPC-2022-01-18 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
12.10 MPC-2022-01-18 MPC-2022-01-18 Phot