2000 HP87

2000HP87, A4868, K00H87P

All data for this body: [vot]

MPC data
Name (number) 2000 HP87 (104868)
a 2.66478
e 0.21642
i / sin(i) 8.1397 / 0.14159
q 2.08808
Q 3.24149
ω 88.9227
Node 155.3390
m 251.1515
n 0.2266
Epoch 2460800.5
nobs 863
nopp 18
Years observed 2000-2025
rms 0.83
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.664
ep 0.242
sin(ip) 0.140
G 0.150
H 15.710
Mass
D 3.97 0.619
pV 0.078 0.0488
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 1.774
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6644 0.2416 0.1399 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.97 0.619 0.619 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.078 0.0488 0.0488 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
15.71 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
C 0.30 Bus VIS Carvano 2010A&A...510A..43C PHOT
C X 0.1957 0.1470 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S X 0.2036 0.1470 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT