1985 QA1

1985QA1, 07111, 1978 UB5, 1978UB5, J78U05B, J85Q01A

All data for this body: [vot]

MPC data
Name (number) 1985 QA1 (7111)
a 2.40600
e 0.07409
i / sin(i) 7.5461 / 0.13132
q 2.22774
Q 2.58426
ω 323.8489
Node 207.8228
m 22.7614
n 0.2641
Epoch 2460800.5
nobs 5341
nopp 26
Years observed 1978-2025
rms 0.58
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.406
ep 0.113
sin(ip) 0.142
G 0.150
H 13.790
Mass
D 6.12 0.056
pV 0.222 0.0343
Value
Rotational Period 11.200
Period quality 3-
Spectral Class Xc
Spectral Class Score 30.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4058 0.1131 0.1417 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.12 0.056 0.056 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.222 0.0343 0.0343 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
13.79 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
11.21 3- Synodic Albers 2010MPBu...37..152A Lightcurve
11.2212 2 Sidereal Athanasopoulos 2024A%26A...690A.215A Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
X DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
X 0.120 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
X 0.52 Bus VIS Carvano 2010A&A...510A..43C PHOT
X X 0.7263 0.7263 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
Xc Xe Bus-DeMeo VISNIR Avdellidou 2022A&A...665L...9A SPEC+PHOT