1997HE

1999TY177, 39777, J97H00E, J99TH7Y

All data for this body: [vot]

MPC data
Name (number) 1997HE (39777)
Packed designation 39777
a 2.79922
e 0.11930
i / sin(i) 7.4339 / 0.12938
q 2.46527
Q 3.13317
ω 150.1291
Node 201.1133
m 311.1905
n 0.2104
Epoch 2459600.5
nobs 1249
nopp 18
Years observed 1997-2021
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.800
ep 0.081
sin(ip) 0.135
Value Standard error
G 0.150
H 14.680
Mass
D 4.20 0.805
pV 0.159 0.1253
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8003 0.0811 0.1353 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.20 0.805 0.805 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.159 0.1253 0.1253 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
14.68 MPC-2022-01-18 MPC-2022-01-18 Phot