1999 WA12

1999WA12, 1996 BP12, 1996BP12, A2874, J96B12P, J99W12A

All data for this body: [vot]

MPC data
Name (number) 1999 WA12 (102874)
a 2.79524
e 0.06357
i / sin(i) 5.4252 / 0.09455
q 2.61754
Q 2.97294
ω 6.7597
Node 81.6226
m 145.2286
n 0.2109
Epoch 2460800.5
nobs 912
nopp 18
Years observed 1996-2025
rms 0.87
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.794
ep 0.069
sin(ip) 0.073
G 0.150
H 15.530
Mass
D 3.17 0.726
pV 0.146 0.1124
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 2.825
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7944 0.0691 0.0733 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.17 0.726 0.726 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.146 0.1124 0.1124 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
15.53 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
L 0.15 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.4708 0.2600 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V S 0.1883 0.2600 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X S 0.3140 0.2600 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT