2001 HE2

2001HE2, 1999 XV183, 1999XV183, A8148, J99XI3V, K01H02E

All data for this body: [vot]

MPC data
Name (number) 2001 HE2 (108148)
a 2.68759
e 0.13816
i / sin(i) 13.0862 / 0.22642
q 2.31629
Q 3.05890
ω 91.5196
Node 43.3401
m 228.5538
n 0.2237
Epoch 2460800.5
nobs 1563
nopp 19
Years observed 1999-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.689
ep 0.162
sin(ip) 0.221
G 0.150
H 14.700
Mass
D 2.94 0.387
pV 0.390 0.1155
Value
Rotational Period
Period quality None
Spectral Class K
Spectral Class Score 2.000
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
15 Eunomia 502 Eunomia 0.3100 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6890 0.1616 0.2207 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.94 0.387 0.387 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.390 0.1155 0.1155 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
14.70 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
K DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
L 0.66 Bus VIS Carvano 2010A&A...510A..43C PHOT
V V 0.0174 0.0174 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT