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 2.23196
e 0.12957
i / sin(i) 3.2805 / 0.05722
q 1.94275
Q 2.52116
ω 306.3867
Node 334.2543
m 158.6003
n 0.2956
Epoch 2460800.5
nobs 4383
nopp 24
Years observed 1977-2025
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.231
ep 0.109
sin(ip) 0.060
G 0.150
H 14.180
Mass
D 3.51 0.157
pV 0.389 0.0668
Value
Rotational Period
Period quality None
Spectral Class V
Spectral Class Score 33.000
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-Nov-2024
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
14.18 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
V Bus-DeMeo NIR Moskovitz 2010Icar..208..773M SPEC
V None Bus VIS Carvano 2010A&A...510A..43C PHOT
V 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
V V 1.0000 1.0000 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT