Zhongkeyuan

07800, 1977 RO8, 1977RO8, 1987 RP4, 1987RP4, 1987 SA6, 1987SA6, 1996 EW2, 1996EW2, 1996 EX2, 1996EX2, J77R08O, J87R04P, J87S06A, J96E02W, J96E02X

All data for this body: [vot]

MPC data
Name (number) Zhongkeyuan (7800)
a 2.23085
e 0.12992
i / sin(i) 3.2808 / 0.05723
q 1.94101
Q 2.52069
ω 305.9974
Node 334.3184
m 341.4803
n 0.2958
Epoch 2460200.5
nobs 3682
nopp 23
Years observed 1977-2023
rms 0.54
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.231
ep 0.109
sin(ip) 0.060
Value Standard error
G 0.150
H 14.240
Mass
D 3.51 0.157
pV 0.389 0.0668
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2308 0.1090 0.0597 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.51 0.157 0.157 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.389 0.0668 0.0668 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
14.24 MPC-2023-12-04 MPC-2023-12-04 Phot