Engels

1991 JE2, 1991JE2, 1999 EK3, 1999EK3, 29829, J91J02E, J99E03K

All data for this body: [vot]

MPC data
Name (number) Engels (29829)
a 2.57576
e 0.19174
i / sin(i) 12.4467 / 0.21553
q 2.08188
Q 3.06964
ω 337.6141
Node 172.7706
m 135.7711
n 0.2384
Epoch 2460800.5
nobs 4850
nopp 22
Years observed 1991-2025
rms 0.61
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.578
ep 0.235
sin(ip) 0.208
G 0.150
H 13.590
Mass
D 6.53 0.164
pV 0.140 0.0209
Value
Rotational Period 21.413
Period quality 2
Spectral Class S
Spectral Class Score 31.271
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5780 0.2352 0.2076 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.28 2.060 2.060 Ali-Lagoa 2018A&A...612A..85A NEATM
5.99 1.280 1.280 Nugent 2016AJ....152...63N NEATM
6.35 0.170 0.170 Masiero 2012ApJ...759L...8M NEATM
9.71 0.740 0.740 Usui 2011PASJ...63.1117U NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.078 0.0310 0.0310 Ali-Lagoa 2018A&A...612A..85A NEATM
0.180 0.1200 0.1200 Nugent 2016AJ....152...63N NEATM
0.191 0.0290 0.0290 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
13.59 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
21.4135 2 Synodic Pal 2020ApJS..247...26P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
L S 0.8309 0.8370 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.88 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.7891 0.8370 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.8057 0.8370 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9921 0.8370 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9982 0.8370 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 1.0000 0.8370 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT