2009 HL99

2009HL99, 2006 UD281, 2006UD281, K06US1D, K09H99L, U5978

All data for this body: [vot]

MPC data
Name (number) 2009 HL99 (305978)
a 3.01603
e 0.04131
i / sin(i) 9.0728 / 0.15769
q 2.89146
Q 3.14061
ω 37.1292
Node 217.4317
m 344.1701
n 0.1882
Epoch 2460800.5
nobs 393
nopp 13
Years observed 2004-2025
rms 0.89
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 3.017
ep 0.065
sin(ip) 0.169
G 0.150
H 15.860
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class D
Spectral Class Score 0.271
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
221 Eos 0 Eos Novakovic 2019EPSC...13.1671N HCM
221 Eos 606 Eos -0.0400 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0167 0.0646 0.1691 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
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
15.86 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
D D 0.0452 0.0452 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT