4220 T-2

4220T-2, 2000 EJ54, 2000EJ54, 99947, K00E54J, T2S4220

All data for this body: [vot]

MPC data
Name (number) 4220 T-2 (99947)
a 2.80518
e 0.16560
i / sin(i) 12.8875 / 0.22304
q 2.34065
Q 3.26971
ω 109.0485
Node 171.6032
m 294.2930
n 0.2098
Epoch 2460200.5
nobs 1242
nopp 19
Years observed 1973-2023
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.806
ep 0.142
sin(ip) 0.226
Value Standard error
G 0.150
H 15.150
Mass
D 2.93 0.743
pV 0.248 0.1089
Rotational Period
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8060 0.1418 0.2262 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.93 0.743 0.743 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.248 0.1089 0.1089 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
15.15 MPC-2023-12-04 MPC-2023-12-04 Phot