Joeengle

08028, 1981 UY20, 1981UY20, 1981 WO7, 1981WO7, 1986 TS1, 1986TS1, 1991 QE, 1991QE, J81U20Y, J81W07O, J86T01S, J91Q00E

All data for this body: [vot]

MPC data
Name (number) Joeengle (8028)
a 3.11921
e 0.20751
i / sin(i) 23.3141 / 0.39577
q 2.47195
Q 3.76647
ω 310.6887
Node 21.8549
m 29.5048
n 0.1789
Epoch 2460800.5
nobs 3820
nopp 27
Years observed 1981-2025
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.113
ep 0.189
sin(ip) 0.388
G 0.150
H 12.310
Mass
D 19.49 0.395
pV 0.058 0.0039
Value
Rotational Period 9.000
Period quality 2
Spectral Class C
Spectral Class Score 8.583
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
350 Ornamenta -1 Ornamenta -1.0000 Nesvorny 2024ApJS..274...25N HCM-2024
702 Alauda 0 Alauda Novakovic 2019EPSC...13.1671N HCM
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1126 0.1893 0.3881 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
17.60 4.000 4.000 Masiero 2021PSJ.....2..162M NEATM
19.12 0.466 0.466 Masiero 2011ApJ...741...68M NEATM
20.52 0.770 0.770 Usui 2011PASJ...63.1117U NEATM
21.30 4.260 4.260 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.051 0.0200 0.0200 Ali-Lagoa 2018A&A...612A..85A NEATM
0.054 0.0180 0.0280 Masiero 2021PSJ.....2..162M NEATM
0.058 0.0040 0.0040 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
12.31 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
8.652 2 Sidereal Durech 2023A&A...675A..24D Model
9.1 2 Synodic Behrend LCDB Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C 0.479 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C C 0.9515 0.9515 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT