2001 HB27

2001HB27, 2002 TW99, 2002TW99, G2899, K01H27B, K02T99W

All data for this body: [vot]

MPC data
Name (number) 2001 HB27 (162899)
a 2.73705
e 0.14471
i / sin(i) 13.8536 / 0.23944
q 2.34097
Q 3.13312
ω 20.3707
Node 198.8687
m 118.8505
n 0.2177
Epoch 2460800.5
nobs 820
nopp 17
Years observed 1998-2025
rms 0.87
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.737
ep 0.186
sin(ip) 0.238
G 0.150
H 15.590
Mass
D 2.44 0.210
pV 0.255 0.0420
Value
Rotational Period
Period quality None
Spectral Class L
Spectral Class Score 4.554
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7369 0.1859 0.2384 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.22 0.431 0.431 Masiero 2011ApJ...741...68M NEATM
2.51 0.240 0.240 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.233 0.0520 0.0520 Masiero 2012ApJ...759L...8M NEATM
0.297 0.0713 0.0713 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
15.59 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 DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
L 0.33 Bus VIS Carvano 2010A&A...510A..43C PHOT
L L 0.3157 0.3140 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT