1981 ER29

1981ER29, 1998 FX122, 1998FX122, 35035, J81E29R, J98FC2X

All data for this body: [vot]

MPC data
Name (number) 1981 ER29 (35035)
a 2.61248
e 0.13884
i / sin(i) 13.3056 / 0.23014
q 2.24976
Q 2.97519
ω 309.6732
Node 192.4605
m 190.0423
n 0.2334
Epoch 2460800.5
nobs 2184
nopp 20
Years observed 1981-2025
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.614
ep 0.175
sin(ip) 0.236
G 0.150
H 14.560
Mass
D 4.31 0.049
pV 0.166 0.0243
Value
Rotational Period 5.000
Period quality 2
Spectral Class S
Spectral Class Score 6.875
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6135 0.1750 0.2360 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.31 0.049 0.049 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.166 0.0243 0.0243 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
14.56 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.005 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
5.00503 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
LS 0.26 Bus VIS Carvano 2010A&A...510A..43C PHOT
S 0.412 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.7338 0.2880 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X S 0.1606 0.2880 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT