1994 ER1

1994ER1, 06028, 1969 EH, 1969EH, 1981 AS1, 1981AS1, 1987 QQ3, 1987QQ3, 1987 SQ26, 1987SQ26, 1991 RO13, 1991RO13, 1991 SQ1, 1991SQ1, J69E00H, J81A01S, J87Q03Q, J87S26Q, J91R13O, J91S01Q, J94E01R

All data for this body: [vot]

MPC data
Name (number) 1994 ER1 (6028)
a 2.57288
e 0.17136
i / sin(i) 6.7579 / 0.11768
q 2.13201
Q 3.01376
ω 309.8749
Node 300.8921
m 146.0347
n 0.2388
Epoch 2460800.5
nobs 4644
nopp 26
Years observed 1969-2025
rms 0.59
Best values
[raw, vot]

Value Standard error
Parent Rafita (1644)
 
ap 2.573
ep 0.182
sin(ip) 0.136
G 0.150
H 12.970
Mass
D 7.39 0.070
pV 0.354 0.0557
Value
Rotational Period 3.500
Period quality 2
Spectral Class S
Spectral Class Score 21.960
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
1644 Rafita 518 Rafita 0.7500 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5730 0.1818 0.1360 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.39 0.070 0.070 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.354 0.0557 0.0557 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
12.97 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.527851 2 Sidereal Durech 2019A&A...631A...2D Model
3.52786 2 Sidereal Durech 2023A&A...675A..24D Model
3.52791 2 Synodic Pal 2020ApJS..247...26P Lightcurve
3.528 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
3.53 2 Synodic Chang 2015ApJS..219...27C Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
A S 0.5006 0.8780 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S None Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.9970 0.8780 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9978 0.8780 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9985 0.8780 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT