1999TJ154

1994TA7, 21857, J94T07A, J99TF4J

All data for this body: [vot]

MPC data
Name (number) 1999TJ154 (21857)
Packed designation 21857
a 2.85076
e 0.06985
i / sin(i) 2.4571 / 0.04287
q 2.65165
Q 3.04988
ω 175.9696
Node 152.8481
m 277.9180
n 0.2048
Epoch 2459600.5
nobs 1894
nopp 20
Years observed 1994-2021
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent Koronis (158)
 
ap 2.852
ep 0.049
sin(ip) 0.036
Value Standard error
G 0.150
H 13.930
Mass
D 4.85 0.438
pV 0.248 0.0408
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
158 Koronis 605 Koronis -0.2100 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8515 0.0491 0.0361 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.85 0.438 0.438 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.248 0.0408 0.0408 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
13.93 MPC-2022-01-18 MPC-2022-01-18 Phot