1999 HP5

1999HP5, 1988 DW2, 1988DW2, 1990 TA6, 1990TA6, 1999 HO9, 1999HO9, 29900, J88D02W, J90T06A, J99H05P, J99H09O

All data for this body: [vot]

MPC data
Name (number) 1999 HP5 (29900)
a 2.98944
e 0.10187
i / sin(i) 10.5708 / 0.18345
q 2.68491
Q 3.29398
ω 91.4695
Node 207.4558
m 290.3864
n 0.1907
Epoch 2460800.5
nobs 3201
nopp 24
Years observed 1988-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.991
ep 0.088
sin(ip) 0.193
G 0.150
H 13.930
Mass
D 5.45 0.288
pV 0.180 0.0288
Value
Rotational Period 6.995
Period quality 2
Spectral Class S
Spectral Class Score 4.782
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9914 0.0884 0.1933 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.45 0.288 0.288 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.180 0.0288 0.0288 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
13.93 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
6.99515 2 Synodic Pal 2020ApJS..247...26P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.797 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
X X 0.7374 0.7374 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT