1999 TW31

1999TW31, 1994 RD9, 1994RD9, 40789, J94R09D, J99T31W

All data for this body: [vot]

MPC data
Name (number) 1999 TW31 (40789)
a 2.86125
e 0.08038
i / sin(i) 1.1927 / 0.02081
q 2.63126
Q 3.09123
ω 137.9637
Node 226.6990
m 351.8618
n 0.2036
Epoch 2460200.5
nobs 1154
nopp 21
Years observed 1994-2023
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent Koronis (158)
 
ap 2.861
ep 0.043
sin(ip) 0.037
Value Standard error
G 0.150
H 15.090
Mass
D 3.44 0.794
pV 0.180 0.0763
Rotational Period
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
158 Koronis 605 Koronis -0.0700 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
832 Karin 610 Karin -1.1000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8615 0.0432 0.0370 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.44 0.794 0.794 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.180 0.0763 0.0763 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
15.09 MPC-2023-12-04 MPC-2023-12-04 Phot