1981 EM35

1981EM35, 1999 RK171, 1999RK171, 99990, J81E35M, J99RH1K

All data for this body: [vot]

MPC data
Name (number) 1981 EM35 (99990)
a 2.27531
e 0.15406
i / sin(i) 6.0546 / 0.10548
q 1.92478
Q 2.62583
ω 268.4093
Node 1.0171
m 233.2902
n 0.2872
Epoch 2460800.5
nobs 2056
nopp 18
Years observed 1981-2025
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent Flora (8)
 
ap 2.275
ep 0.149
sin(ip) 0.111
G 0.150
H 15.990
Mass
D 2.32 0.570
pV 0.143 0.0650
Value
Rotational Period 7.070
Period quality 2
Spectral Class S
Spectral Class Score 3.324
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
298 Baptistina 0 Baptistina Novakovic 2019EPSC...13.1671N HCM
8 Flora 402 Flora 0.2800 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
298 Baptistina 403 Baptistina 0.3400 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2753 0.1491 0.1114 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.32 0.570 0.570 Masiero 2021PSJ.....2..162M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.143 0.0510 0.0790 Masiero 2021PSJ.....2..162M 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
15.99 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
7.06984 2 Synodic Pal 2020ApJS..247...26P Lightcurve
7.0714 2 Sidereal Durech 2023A&A...675A..24D Model
7.072 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.554 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT