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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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1717425527896501 5.4883e-08  
a 2.572385530480698 2.1141e-08 AU
q 2.130597472716785 1.4123e-07 AU
i 6.756255545290415 8.0467e-06 deg
node 300.9563053009714 4.5023e-05 deg
peri 310.1115706788433 5.3736e-05 deg
M 318.0460660659445 3.5364e-05 deg
tp 2457176.119486565012
(2015-Jun-02.61948656)
0.00014928 JED
period 1506.962738292441
4.13
1.8577e-05
5.086e-08
d
yr
n .2388911091510602 2.945e-09 deg/d
Q 3.014173588244612 2.4772e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1221  
   data-arc span      16753 days (45.87 yr)  
   first obs. used      1969-03-12  
   last obs. used      2015-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .501  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 13:15:22  

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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