2003 ER57

2003ER57, B4654, K03E57R

All data for this body: [vot]

MPC data
Name (number) 2003 ER57 (114654)
a 2.61242
e 0.30775
i / sin(i) 13.9518 / 0.24111
q 1.80845
Q 3.41639
ω 146.7956
Node 131.4402
m 40.7994
n 0.2334
Epoch 2460800.5
nobs 1640
nopp 20
Years observed 1999-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.612
ep 0.300
sin(ip) 0.222
G 0.150
H 14.920
Mass
D 7.01 0.276
pV 0.046 0.0035
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 10.524
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6116 0.2996 0.2221 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.53 1.220 1.220 Masiero 2021PSJ.....2..162M NEATM
5.61 2.041 2.041 Masiero 2017AJ....154..168M NEATM
6.69 1.900 1.900 Masiero 2021PSJ.....2..162M NEATM
6.76 1.935 1.935 Masiero 2017AJ....154..168M NEATM
7.14 0.293 0.293 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.034 0.0130 0.0220 Masiero 2021PSJ.....2..162M NEATM
0.046 0.0037 0.0037 Masiero 2011ApJ...741...68M NEATM
0.052 0.0262 0.0262 Masiero 2017AJ....154..168M NEATM
0.061 0.0491 0.0491 Masiero 2017AJ....154..168M NEATM
0.063 0.0210 0.0320 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
14.92 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
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C 0.22 Bus VIS Carvano 2010A&A...510A..43C PHOT
C C 0.4215 0.4520 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.4250 0.4520 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.5008 0.4520 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT