1999 BY9

1999BY9, 85867, J99B09Y

All data for this body: [vot]

MPC data
Name (number) 1999 BY9 (85867)
a 1.82979
e 0.30221
i / sin(i) 0.9455 / 0.01650
q 1.27682
Q 2.38277
ω 287.8569
Node 254.1184
m 183.4812
n 0.3982
Epoch 2460800.5
nobs 701
nopp 16
Years observed 1995-2023
rms 0.79
Best values
[raw, vot]

Value Standard error
Parent
 
ap 1.819
ep 0.321
sin(ip) 0.056
G 0.150
H 18.300
Mass
D
pV
Value
Rotational Period 700.000
Period quality 1+
Spectral Class Q
Spectral Class Score 28.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
1.8193 0.3208 0.0556 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
18.30 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
16.0 1 Synodic Hasegawa 2018PASJ...70..114H Lightcurve
25.0 1+ Synodic Koehn 2014MPBu...41..286K Lightcurve
700.0 1+ Synodic Skiff 2019MPBu...46..458S Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
Q Bus-DeMeo VISNIR Binzel 2019Icar..324...41B SPEC
Q Bus VISNIR de Leon 2010A&A...517A..23D SPEC
S Tholen VISNIR de Leon 2006AdSpR..37..178D SPEC
S Q 0.500000 0.500000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
S Q 0.720000 0.270000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC