1999JS121

17154, 1982BW11, 1990UG12, 1998FZ12, J82B11W, J90U12G, J98F12Z, J99JC1S

All data for this body: [vot]

MPC data
Name (number) 1999JS121 (17154)
Packed designation 17154
a 2.97864
e 0.08777
i / sin(i) 9.0400 / 0.15712
q 2.71721
Q 3.24007
ω 38.4408
Node 261.6387
m 96.3833
n 0.1917
Epoch 2459600.5
nobs 2940
nopp 22
Years observed 1982-2022
rms 0.56
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 2.982
ep 0.081
sin(ip) 0.176
Value Standard error
G 0.150
H 12.450
Mass
D 10.44 0.100
pV 0.234 0.0232
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
221 Eos 606 Eos -1.0200 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9816 0.0809 0.1757 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.44 0.100 0.100 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.234 0.0232 0.0232 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
12.45 MPC-2022-01-18 MPC-2022-01-18 Phot