Jameschafer

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

All data for this body: [vot]

MPC data
Name (number) Jameschafer (30421)
a 2.79772
e 0.11695
i / sin(i) 9.7127 / 0.16871
q 2.47054
Q 3.12490
ω 116.1562
Node 149.3669
m 345.8202
n 0.2106
Epoch 2460200.5
nobs 1802
nopp 21
Years observed 1996-2023
rms 0.64
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 14.520
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-Oct-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-2023-12-94 MPC-2023-12-94 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
14.52 MPC-2023-12-04 MPC-2023-12-04 Phot