1990 QQ1

1990QQ1, 07411, 1979 SE2, 1979SE2, J79S02E, J90Q01Q

All data for this body: [vot]

MPC data
Name (number) 1990 QQ1 (7411)
a 3.13347
e 0.24089
i / sin(i) 15.4665 / 0.26668
q 2.37865
Q 3.88830
ω 93.4402
Node 340.8125
m 22.8446
n 0.1777
Epoch 2460800.5
nobs 4078
nopp 23
Years observed 1979-2025
rms 0.59
Best values
[raw, vot]

Value Standard error
Parent Tirela (1400)
 
ap 3.143
ep 0.201
sin(ip) 0.291
G 0.150
H 12.820
Mass
D 19.56 0.136
pV 0.045 0.0038
Value
Rotational Period 3.739
Period quality 2
Spectral Class X
Spectral Class Score 1.656
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
1400 Tirela 0 Tirela Novakovic 2019EPSC...13.1671N HCM
1400 Tirela 612 Tirela 1.1400 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1429 0.2011 0.2912 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
16.58 5.880 5.880 Masiero 2020PSJ.....1....5M NEATM
17.27 6.560 6.560 Masiero 2021PSJ.....2..162M NEATM
19.37 0.163 0.163 Masiero 2011ApJ...741...68M NEATM
20.02 0.246 0.246 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.032 0.0160 0.0330 Masiero 2021PSJ.....2..162M NEATM
0.040 0.0330 0.0330 Masiero 2020PSJ.....1....5M NEATM
0.044 0.0049 0.0049 Masiero 2011ApJ...741...68M NEATM
0.047 0.0063 0.0063 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
12.82 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.73897 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
X 0.276 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT