Andycheng

08257, 1982 HO1, 1982HO1, 1987 YO5, 1987YO5, 1993 VN8, 1993VN8, J82H01O, J87Y05O, J93V08N

All data for this body: [vot]

MPC data
Name (number) Andycheng (8257)
a 2.20988
e 0.17673
i / sin(i) 6.7673 / 0.11784
q 1.81933
Q 2.60043
ω 193.3446
Node 61.6291
m 5.8112
n 0.3000
Epoch 2460800.5
nobs 4050
nopp 24
Years observed 1982-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.209
ep 0.177
sin(ip) 0.103
G 0.150
H 13.850
Mass
D 4.18 0.650
pV 0.250 0.0900
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 2.838
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2095 0.1767 0.1029 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.18 0.650 0.650 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.250 0.0900 0.0900 Nugent 2016AJ....152...63N 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
13.85 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
S 0.473 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT