1999 HO12

1999HO12, 2000 SZ21, 2000SZ21, 38085, J99H12O, K00S21Z

All data for this body: [vot]

MPC data
Name (number) 1999 HO12 (38085)
a 2.31009
e 0.14140
i / sin(i) 25.2685 / 0.42686
q 1.98344
Q 2.63673
ω 194.5116
Node 26.5147
m 145.1576
n 0.2807
Epoch 2460800.5
nobs 956
nopp 20
Years observed 1993-2025
rms 0.88
Best values
[raw, vot]

Value Standard error
Parent Phocaea (25)
 
ap 2.311
ep 0.201
sin(ip) 0.405
G 0.150
H 15.630
Mass
D 2.27 0.654
pV 0.165 0.0689
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 15.223
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
25 Phocaea 0 Phocaea Novakovic 2019EPSC...13.1671N HCM
25 Phocaea 701 Phocaea -0.4000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3110 0.2007 0.4048 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.27 0.654 0.654 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.165 0.0689 0.0689 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
15.63 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 DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S S 0.3382 0.5340 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.4343 0.5340 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.5161 0.5340 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.7786 0.5340 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S 0.41 Bus VIS Carvano 2010A&A...510A..43C PHOT