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6028 (1994 ER1)
Classification: Main-belt Asteroid          SPK-ID: 2006028
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1717425562645975 5.6067e-08  
a 2.572385534900724 2.5535e-08 AU
q 2.1305974674388 1.4232e-07 AU
i 6.756257044009738 8.3224e-06 deg
node 300.9563063527434 4.5059e-05 deg
peri 310.111576336244 5.8151e-05 deg
M 318.0460569015016 4.6073e-05 deg
tp 2457176.119525380080
(2015-Jun-02.61952538)
0.00019475 JED
period 1506.96274217647
4.13
2.2439e-05
6.143e-08
d
yr
n .2388911085353448 3.5571e-09 deg/d
Q 3.014173602362648 2.9921e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1213  
   data-arc span      16493 days (45.16 yr)  
   first obs. used      1969-03-12  
   last obs. used      2014-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5023  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 18:18:18  

Additional Information
 Earth MOID = 1.1251 AU 
 T_jup = 3.398 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.8 mag n/a MPO256908  

6028 (1994 ER1)          Discovered 1994-Mar-11 by Ueda and Kaneda at Kushiro (399)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1994 ER1 = 1969 EH = 1981 AS1 = 1987 QQ3 = 1987 SQ26 = 1991 RO13 = 1991 SQ1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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