2000 HW99

2000HW99, 2001 QA271, 2001QA271, A4877, K00H99W, K01QR1A

All data for this body: [vot]

MPC data
Name (number) 2000 HW99 (104877)
a 2.97726
e 0.12119
i / sin(i) 2.9464 / 0.05140
q 2.61645
Q 3.33807
ω 116.4662
Node 103.9833
m 301.2234
n 0.1919
Epoch 2460800.5
nobs 1033
nopp 18
Years observed 2000-2025
rms 0.86
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.978
ep 0.156
sin(ip) 0.032
G 0.150
H 15.080
Mass
D 5.22 0.204
pV 0.065 0.0095
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 1.141
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9784 0.1562 0.0321 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.22 0.204 0.204 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.065 0.0095 0.0095 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
15.08 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
A C 0.0709 0.1150 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
B C 0.0238 0.1150 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.1901 0.1150 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT