2009 HD28

2009HD28, 1999 TP55, 1999TP55, J99T55P, K09H28D, Q3927

All data for this body: [vot]

MPC data
Name (number) 2009 HD28 (263927)
a 2.35234
e 0.21581
i / sin(i) 1.7998 / 0.03141
q 1.84469
Q 2.86000
ω 60.7542
Node 211.1580
m 120.4914
n 0.2732
Epoch 2460800.5
nobs 274
nopp 14
Years observed 1999-2024
rms 0.96
Best values
[raw, vot]

Value Standard error
Parent Nysa (44)
 
ap 2.352
ep 0.209
sin(ip) 0.041
G 0.150
H 17.880
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class V
Spectral Class Score 4.370
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
44 Nysa 405 Nysa-Polana -0.2000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3522 0.2087 0.0405 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
17.88 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
S V 0.4773 0.3720 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V V 0.1781 0.3720 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V V 0.5502 0.3720 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT