Jameschafer

1977TL, 1999EK11, 2000LM2, 30421, J77T00L, J99E11K, K00L02M

All data for this body: [vot]

MPC data
Name (number) Jameschafer (30421)
Packed designation 30421
a 2.79761
e 0.11739
i / sin(i) 9.7139 / 0.16873
q 2.46920
Q 3.12602
ω 116.2178
Node 149.3738
m 219.4310
n 0.2106
Epoch 2459600.5
nobs 1466
nopp 20
Years observed 1996-2022
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent Gefion (1272)
 
ap 2.798
ep 0.125
sin(ip) 0.161
Value Standard error
G 0.150
H 14.430
Mass
D 4.09 0.562
pV 0.221 0.0354
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
1272 Gefion 516 Gefion 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
2.7983 0.1247 0.1609 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.09 0.562 0.562 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.221 0.0354 0.0354 Masiero 2011ApJ...741...68M 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
14.43 MPC-2022-01-18 MPC-2022-01-18 Phot