1999 HR2

1999HR2, 10946, 1968 UF3, 1968UF3, 1991 RO9, 1991RO9, 1992 UA10, 1992UA10, J68U03F, J91R09O, J92U10A, J99H02R

All data for this body: [vot]

MPC data
Name (number) 1999 HR2 (10946)
a 2.85434
e 0.21794
i / sin(i) 15.8588 / 0.27327
q 2.23227
Q 3.47641
ω 65.5217
Node 47.1510
m 207.5681
n 0.2044
Epoch 2460800.5
nobs 3205
nopp 25
Years observed 1968-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent 1998 YB3 (15454)
 
ap 2.855
ep 0.221
sin(ip) 0.274
G 0.150
H 13.090
Mass
D 16.15 0.156
pV 0.042 0.0038
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 5.790
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
15454 1998 YB3 -1 1998YB3 -1.0000 Nesvorny 2024ApJS..274...25N HCM-2024
15454 1998 YB3 627 1998YB3 -3.6500 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8547 0.2209 0.2743 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
14.39 4.030 4.030 Masiero 2020PSJ.....1....5M NEATM
16.01 0.800 0.800 Tedesco 2002AJ....123.1056T STM
16.12 0.161 0.161 Masiero 2011ApJ...741...68M NEATM
16.27 5.300 5.300 Masiero 2020PSJ.....1....5M NEATM
17.94 1.280 1.280 Usui 2011PASJ...63.1117U NEATM
18.21 5.510 5.510 Masiero 2020PSJ.....1....5M NEATM
18.56 3.710 3.710 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.030 0.0210 0.0210 Masiero 2020PSJ.....1....5M NEATM
0.037 0.0150 0.0150 Ali-Lagoa 2018A&A...612A..85A NEATM
0.037 0.0310 0.0310 Masiero 2020PSJ.....1....5M NEATM
0.041 0.0260 0.0260 Masiero 2020PSJ.....1....5M NEATM
0.043 0.0074 0.0074 Masiero 2011ApJ...741...68M NEATM
0.043 0.0050 0.0050 Tedesco 2002AJ....123.1056T STM
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
13.09 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
C 0.965 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT