1997 FK4

1997FK4, 11661, 1985 SN4, 1985SN4, 1992 DT, 1992DT, 1997 GW20, 1997GW20, J85S04N, J92D00T, J97F04K, J97G20W

All data for this body: [vot]

MPC data
Name (number) 1997 FK4 (11661)
a 2.78763
e 0.14222
i / sin(i) 8.7237 / 0.15167
q 2.39119
Q 3.18408
ω 61.5791
Node 3.4718
m 2.6009
n 0.2118
Epoch 2460200.5
nobs 2552
nopp 20
Years observed 1985-2023
rms 0.60
Best values
[raw, vot]

Value Standard error
Parent Gefion (1272)
 
ap 2.788
ep 0.123
sin(ip) 0.156
Value Standard error
G 0.150
H 13.700
Mass
D 5.26 0.126
pV 0.212 0.0593
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
1272 Gefion 516 Gefion 0.1000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7875 0.1228 0.1562 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.26 0.126 0.126 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.212 0.0593 0.0593 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
13.70 MPC-2023-12-04 MPC-2023-12-04 Phot
Period data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.19 Waszczak 2015AJ....150...75W Lightcurve