2002 EM1

2002EM1, 1998 HY131, 1998HY131, F6548, J98HD1Y, K02E01M

All data for this body: [vot]

MPC data
Name (number) 2002 EM1 (156548)
a 2.65340
e 0.09238
i / sin(i) 12.8908 / 0.22309
q 2.40828
Q 2.89852
ω 240.5581
Node 35.2872
m 20.6519
n 0.2280
Epoch 2460800.5
nobs 925
nopp 19
Years observed 1998-2025
rms 0.84
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.653
ep 0.092
sin(ip) 0.216
G 0.150
H 15.560
Mass
D 3.29 0.275
pV 0.123 0.0131
Value
Rotational Period
Period quality None
Spectral Class D
Spectral Class Score 1.553
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6530 0.0922 0.2160 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.29 0.275 0.275 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.123 0.0131 0.0131 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
15.56 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
D D 0.2588 0.2588 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT