1994 QW

1994QW, 07785, 1987 RG2, 1987RG2, J87R02G, J94Q00W

All data for this body: [vot]

MPC data
Name (number) 1994 QW (7785)
a 2.30279
e 0.11059
i / sin(i) 8.3914 / 0.14594
q 2.04812
Q 2.55746
ω 215.0262
Node 136.1093
m 272.9197
n 0.2820
Epoch 2460800.5
nobs 3649
nopp 25
Years observed 1987-2025
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.303
ep 0.064
sin(ip) 0.140
G 0.150
H 14.030
Mass
D 4.43 0.143
pV 0.266 0.0302
Value
Rotational Period 82.480
Period quality 2
Spectral Class S
Spectral Class Score 7.425
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3026 0.0636 0.1399 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.17 1.010 1.010 Nugent 2016AJ....152...63N NEATM
4.24 0.680 0.680 Nugent 2016AJ....152...63N NEATM
4.45 0.148 0.148 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.200 0.0600 0.0600 Nugent 2016AJ....152...63N NEATM
0.220 0.1200 0.1200 Nugent 2016AJ....152...63N NEATM
0.295 0.0366 0.0366 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
14.03 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
82.484 2 Sidereal Durech 2018A&A...617A..57D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.73 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.6608 0.6608 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT