1999 WA3

1999WA3, 1994 WH12, 1994WH12, 41200, J94W12H, J99W03A

All data for this body: [vot]

MPC data
Name (number) 1999 WA3 (41200)
a 2.96330
e 0.10352
i / sin(i) 14.5615 / 0.25142
q 2.65653
Q 3.27007
ω 336.5402
Node 69.8225
m 10.1538
n 0.1932
Epoch 2460800.5
nobs 2171
nopp 20
Years observed 1994-2025
rms 0.83
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.964
ep 0.083
sin(ip) 0.232
G 0.150
H 14.140
Mass
D 9.97 0.067
pV 0.039 0.0061
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 4.734
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9636 0.0828 0.2319 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.23 2.990 2.990 Masiero 2021PSJ.....2..162M NEATM
12.18 4.870 4.870 Nugent 2016AJ....152...63N NEATM
12.19 3.110 3.110 Masiero 2021PSJ.....2..162M NEATM
13.38 4.340 4.340 Masiero 2021PSJ.....2..162M NEATM
9.97 0.067 0.067 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.025 0.0110 0.0190 Masiero 2021PSJ.....2..162M NEATM
0.028 0.0150 0.0320 Masiero 2021PSJ.....2..162M NEATM
0.030 0.0400 0.0400 Nugent 2016AJ....152...63N NEATM
0.040 0.0170 0.0300 Masiero 2021PSJ.....2..162M NEATM
0.043 0.0074 0.0074 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
14.14 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 0.789 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT