1998 SD57

1998SD57, 2002 TC4, 2002TC4, D6995, J98S57D, K02T04C

All data for this body: [vot]

MPC data
Name (number) 1998 SD57 (136995)
a 2.46113
e 0.18956
i / sin(i) 2.2117 / 0.03859
q 1.99459
Q 2.92768
ω 182.8059
Node 127.5047
m 202.0169
n 0.2553
Epoch 2460200.5
nobs 499
nopp 16
Years observed 1998-2022
rms 0.75
Best values
[raw, vot]

Value Standard error
Parent Massalia (20)
 
ap 2.462
ep 0.165
sin(ip) 0.025
Value Standard error
G 0.150
H 16.540
Mass
D
pV
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
20 Massalia 404 Massalia 1.1500 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4622 0.1651 0.0253 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
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
16.54 MPC-2023-12-04 MPC-2023-12-04 Phot