1999 JS121

1999JS121, 17154, 1982 BW11, 1982BW11, 1990 UG12, 1990UG12, 1998 FZ12, 1998FZ12, J82B11W, J90U12G, J98F12Z, J99JC1S

All data for this body: [vot]

MPC data
Name (number) 1999 JS121 (17154)
a 2.97983
e 0.08719
i / sin(i) 9.0380 / 0.15709
q 2.72001
Q 3.23965
ω 38.3646
Node 261.6300
m 211.5110
n 0.1916
Epoch 2460200.5
nobs 3898
nopp 23
Years observed 1982-2023
rms 0.53
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 12.550
Mass
D 10.44 0.100
pV 0.234 0.0232
Rotational Period 2.892
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-Oct-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-2023-12-94 MPC-2023-12-94 Phot
H data
[raw, vot]

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

Value Uncertainty up Uncertainty down Author Reference Method
2.89 Pal 2020ApJS..247...26P Lightcurve
2.89 Durech 2020A&A...643A..59D Model
2.89 Durech 2018A&A...617A..57D Model