1999 WR7

1999WR7, 1997 GJ42, 1997GJ42, 25440, J97G42J, J99W07R

All data for this body: [vot]

MPC data
Name (number) 1999 WR7 (25440)
a 2.48416
e 0.10920
i / sin(i) 5.1859 / 0.09039
q 2.21288
Q 2.75544
ω 52.4780
Node 83.3199
m 125.5991
n 0.2517
Epoch 2460800.5
nobs 3329
nopp 23
Years observed 1993-2025
rms 0.58
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.481
ep 0.153
sin(ip) 0.094
G 0.150
H 14.980
Mass
D 3.12 0.736
pV 0.315 0.1553
Value
Rotational Period 5.148
Period quality 2
Spectral Class S
Spectral Class Score 5.988
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4811 0.1527 0.0943 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.12 0.736 0.736 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.315 0.1553 0.1553 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
14.98 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.14776 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
S 0.998 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT