2001 HK7

2001HK7, 1998 XM81, 1998XM81, 26722, J98X81M, K01H07K

All data for this body: [vot]

MPC data
Name (number) 2001 HK7 (26722)
a 3.08593
e 0.26080
i / sin(i) 18.8959 / 0.32385
q 2.28113
Q 3.89072
ω 43.4216
Node 233.4134
m 110.7149
n 0.1818
Epoch 2460800.5
nobs 3299
nopp 26
Years observed 1991-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.087
ep 0.279
sin(ip) 0.328
G 0.150
H 12.640
Mass
D 16.60 0.148
pV 0.040 0.0049
Value
Rotational Period 20.250
Period quality 3
Spectral Class C
Spectral Class Score 3.068
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0867 0.2793 0.3277 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
13.28 3.730 3.730 Masiero 2020PSJ.....1....5M NEATM
15.75 4.750 4.750 Masiero 2020PSJ.....1....5M NEATM
16.35 0.160 0.160 Masiero 2011ApJ...741...68M NEATM
18.12 0.400 0.400 Usui 2011PASJ...63.1117U NEATM
18.43 1.840 1.840 Ali-Lagoa 2018A&A...612A..85A NEATM
19.14 3.830 3.830 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.035 0.0058 0.0058 Masiero 2011ApJ...741...68M NEATM
0.049 0.0650 0.0650 Masiero 2020PSJ.....1....5M NEATM
0.050 0.0200 0.0200 Ali-Lagoa 2018A&A...612A..85A NEATM
0.054 0.0110 0.0110 Ali-Lagoa 2018A&A...612A..85A NEATM
0.067 0.0430 0.0430 Masiero 2020PSJ.....1....5M 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
12.64 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
20.252 3 Synodic Moravec 2013MPBu...40...17M Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C 0.213 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C C 0.2983 0.2983 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT