1999 WP12

1999WP12, 43089, J99W12P

All data for this body: [vot]

MPC data
Name (number) 1999 WP12 (43089)
a 3.16296
e 0.08794
i / sin(i) 19.2398 / 0.32952
q 2.88480
Q 3.44112
ω 55.7498
Node 205.5828
m 299.7274
n 0.1752
Epoch 2460800.5
nobs 2186
nopp 22
Years observed 1998-2025
rms 0.75
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.169
ep 0.101
sin(ip) 0.334
G 0.150
H 13.950
Mass
D 9.10 0.211
pV 0.059 0.0103
Value
Rotational Period 36.214
Period quality 2
Spectral Class S
Spectral Class Score 2.047
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1690 0.1010 0.3337 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
9.10 0.211 0.211 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.059 0.0103 0.0103 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
13.95 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
36.2149 2 Synodic Pal 2020ApJS..247...26P Lightcurve
5.21256 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
D 0.07 Bus VIS Carvano 2010A&A...510A..43C PHOT
D D 0.1810 0.1670 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S D 0.3411 0.1670 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT