2001 HQ5

2001HQ5, 1979 OL2, 1979OL2, 1997 WR13, 1997WR13, 2000 CR28, 2000CR28, 26719, J79O02L, J97W13R, K00C28R, K01H05Q

All data for this body: [vot]

MPC data
Name (number) 2001 HQ5 (26719)
a 3.18670
e 0.13740
i / sin(i) 4.0920 / 0.07136
q 2.74885
Q 3.62456
ω 2.1707
Node 277.7663
m 38.0304
n 0.1733
Epoch 2460800.5
nobs 2927
nopp 26
Years observed 1979-2025
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent Hygiea (10)
 
ap 3.193
ep 0.134
sin(ip) 0.090
G 0.150
H 13.420
Mass
D 12.49 0.138
pV 0.057 0.0066
Value
Rotational Period 21.013
Period quality 2
Spectral Class X
Spectral Class Score 4.009
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
10 Hygiea 0 Hygiea Novakovic 2019EPSC...13.1671N HCM
10 Hygiea 601 Hygiea Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1930 0.1335 0.0905 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
12.47 0.139 0.139 Masiero 2011ApJ...741...68M NEATM
13.34 1.100 1.100 Usui 2011PASJ...63.1117U NEATM
13.62 2.720 2.720 Ali-Lagoa 2018A&A...612A..85A NEATM
15.10 4.340 4.340 Masiero 2021PSJ.....2..162M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.037 0.0220 0.0540 Masiero 2021PSJ.....2..162M NEATM
0.047 0.0190 0.0190 Ali-Lagoa 2018A&A...612A..85A NEATM
0.060 0.0072 0.0072 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
13.42 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
21.0135 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
P S 0.760000 0.130000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
X X 0.6681 0.6681 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT