1990 WR2

1990WR2, 1979 BY, 1979BY, 1994 VT1, 1994VT1, 48448, J79B00Y, J90W02R, J94V01T

All data for this body: [vot]

MPC data
Name (number) 1990 WR2 (48448)
a 2.54387
e 0.24973
i / sin(i) 8.9884 / 0.15624
q 1.90858
Q 3.17915
ω 335.1843
Node 93.7560
m 179.2469
n 0.2429
Epoch 2460800.5
nobs 3708
nopp 20
Years observed 1979-2025
rms 0.62
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.540
ep 0.240
sin(ip) 0.132
G 0.150
H 14.220
Mass
D 4.16 0.110
pV 0.279 0.0210
Value
Rotational Period 24.816
Period quality 2
Spectral Class S
Spectral Class Score 22.428
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5397 0.2400 0.1318 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]


Value Uncertainty up Uncertainty down Author Reference Method
3.30 0.880 0.880 Nugent 2016AJ....152...63N NEATM
3.54 0.740 0.740 Masiero 2012ApJ...759L...8M NEATM
4.19 0.112 0.112 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]


Value Uncertainty up Uncertainty down Author Reference Method
0.277 0.0214 0.0214 Masiero 2011ApJ...741...68M NEATM
0.300 0.1300 0.1300 Nugent 2016AJ....152...63N NEATM
0.389 0.1900 0.1900 Masiero 2012ApJ...759L...8M 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
14.22 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
24.8168 2 Synodic Pal 2020ApJS..247...26P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
R S 0.490000 0.480000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.159 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.6431 0.8190 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.7083 0.8190 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9056 0.8190 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9886 0.8190 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
SQ 0.39 Bus VIS Carvano 2010A&A...510A..43C PHOT