2001 HU31

2001HU31, 1999 AZ29, 1999AZ29, 48178, J99A29Z, K01H31U

All data for this body: [vot]

MPC data
Name (number) 2001 HU31 (48178)
a 2.69185
e 0.03476
i / sin(i) 21.3064 / 0.36336
q 2.59829
Q 2.78541
ω 231.0495
Node 229.3531
m 290.5913
n 0.2232
Epoch 2460800.5
nobs 2293
nopp 21
Years observed 1998-2025
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent Hansa (480)
 
ap 2.693
ep 0.019
sin(ip) 0.376
G 0.150
H 14.210
Mass
D 4.26 0.333
pV 0.245 0.0463
Value
Rotational Period
Period quality None
Spectral Class L
Spectral Class Score 2.706
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
480 Hansa 0 Hansa Novakovic 2019EPSC...13.1671N HCM
480 Hansa 803 Hansa Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6927 0.0195 0.3755 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.26 0.333 0.333 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.245 0.0463 0.0463 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
14.21 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
L 0.451 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
V V 0.0244 0.1480 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V V 0.2743 0.1480 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT