1999 BW1

1999BW1, 1990 DQ2, 1990DQ2, 28246, J90D02Q, J99B01W

All data for this body: [vot]

MPC data
Name (number) 1999 BW1 (28246)
a 2.72232
e 0.00979
i / sin(i) 7.2582 / 0.12634
q 2.69566
Q 2.74898
ω 28.3544
Node 161.8854
m 264.8466
n 0.2194
Epoch 2460800.5
nobs 3182
nopp 23
Years observed 1990-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.720
ep 0.052
sin(ip) 0.121
G 0.150
H 13.870
Mass
D 9.47 0.078
pV 0.079 0.0096
Value
Rotational Period
Period quality None
Spectral Class B
Spectral Class Score 3.552
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7201 0.0524 0.1207 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
9.47 0.078 0.078 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.079 0.0096 0.0096 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
13.87 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
B 0.592 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT