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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1717989781044806 5.8882e-08  
a 2.573463879754032 2.5193e-08 AU
q 2.131345415023497 1.5026e-07 AU
i 6.756447743342235 8.7643e-06 deg
node 300.9579792692348 4.7129e-05 deg
peri 309.9738806879676 5.9307e-05 deg
M 270.4164456057926 4.3978e-05 deg
tp 2457175.733264350105
(2015-Jun-02.23326435)
0.00018796 JED
period 1507.910420383729
4.13
2.2143e-05
6.062e-08
d
yr
n .2387409723638544 3.5058e-09 deg/d
Q 3.015582344484566 2.9522e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1205  
   data-arc span      16455 days (45.05 yr)  
   first obs. used      1969-03-12  
   last obs. used      2014-03-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50915  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 13:49:39  

Additional Information
 Earth MOID = 1.12424 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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