1998 QR71

1998QR71, 40146, J98Q71R

All data for this body: [vot]

MPC data
Name (number) 1998 QR71 (40146)
a 3.17619
e 0.08564
i / sin(i) 9.3558 / 0.16256
q 2.90418
Q 3.44820
ω 128.9423
Node 265.8932
m 215.4430
n 0.1741
Epoch 2460800.5
nobs 1832
nopp 22
Years observed 1998-2025
rms 0.75
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.171
ep 0.072
sin(ip) 0.183
G 0.150
H 13.910
Mass
D 9.16 1.860
pV 0.076 0.0490
Value
Rotational Period 8.040
Period quality 2
Spectral Class C
Spectral Class Score 2.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1713 0.0721 0.1834 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
9.16 1.860 1.860 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.076 0.0490 0.0490 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
13.91 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
8.029 2 Sidereal Durech 2023A&A...675A..24D Model
8.047 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
X X 0.2146 0.2146 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT