2002 HP4

2002HP4, 2000 WX30, 2000WX30, 99654, K00W30X, K02H04P

All data for this body: [vot]

MPC data
Name (number) 2002 HP4 (99654)
a 2.42305
e 0.14824
i / sin(i) 8.3520 / 0.14525
q 2.06385
Q 2.78224
ω 55.7229
Node 105.0446
m 92.8727
n 0.2613
Epoch 2460800.5
nobs 1005
nopp 19
Years observed 1998-2025
rms 0.78
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.421
ep 0.190
sin(ip) 0.132
G 0.150
H 15.870
Mass
D 4.01 0.266
pV 0.075 0.0258
Value
Rotational Period 4.670
Period quality 1
Spectral Class C
Spectral Class Score 5.958
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4215 0.1901 0.1319 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.99 0.274 0.274 Masiero 2011ApJ...741...68M NEATM
4.33 1.090 1.090 Masiero 2020PSJ.....1....5M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.050 0.0490 0.0490 Masiero 2020PSJ.....1....5M NEATM
0.084 0.0304 0.0304 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
15.87 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.673 1 Synodic Waszczak 2015AJ....150...75W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C 0.993 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT