1999 BY12

1999BY12, 2001 KH73, 2001KH73, 31432, J99B12Y, K01K73H

All data for this body: [vot]

MPC data
Name (number) 1999 BY12 (31432)
a 2.97523
e 0.25764
i / sin(i) 19.2998 / 0.33051
q 2.20870
Q 3.74176
ω 9.5606
Node 301.2389
m 218.6821
n 0.1921
Epoch 2460800.5
nobs 2380
nopp 22
Years observed 1997-2025
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.981
ep 0.265
sin(ip) 0.317
G 0.150
H 13.250
Mass
D 14.63 0.188
pV 0.050 0.0044
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 5.551
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9814 0.2654 0.3172 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
13.94 0.215 0.215 Masiero 2011ApJ...741...68M NEATM
14.55 4.010 4.010 Masiero 2020PSJ.....1....5M NEATM
14.93 4.223 4.223 Masiero 2017AJ....154..168M NEATM
15.54 5.490 5.490 Masiero 2020PSJ.....1....5M NEATM
16.28 3.347 3.347 Masiero 2017AJ....154..168M NEATM
16.69 1.670 1.670 Ali-Lagoa 2018A&A...612A..85A NEATM
17.01 0.410 0.410 Usui 2011PASJ...63.1117U NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.036 0.0070 0.0070 Ali-Lagoa 2018A&A...612A..85A NEATM
0.038 0.0460 0.0460 Masiero 2020PSJ.....1....5M NEATM
0.038 0.0191 0.0191 Masiero 2017AJ....154..168M NEATM
0.041 0.0410 0.0410 Masiero 2020PSJ.....1....5M NEATM
0.044 0.0219 0.0219 Masiero 2017AJ....154..168M NEATM
0.063 0.0063 0.0063 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
13.25 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 DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C X 0.2202 0.3050 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C X 0.2926 0.3050 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X 0.27 Bus VIS Carvano 2010A&A...510A..43C PHOT
X X 0.1400 0.3050 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.6952 0.3050 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT