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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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1717425525892784 5.4861e-08  
a 2.572385530173629 2.1024e-08 AU
q 2.130597472977886 1.4121e-07 AU
i 6.756255326762418 8.035e-06 deg
node 300.9563020730642 4.4911e-05 deg
peri 310.1115733063606 5.3552e-05 deg
M 318.0460668383348 3.5131e-05 deg
tp 2457176.119483300335
(2015-Jun-02.61948330)
0.00014828 JED
period 1506.962738022608
4.13
1.8475e-05
5.058e-08
d
yr
n .2388911091938354 2.9287e-09 deg/d
Q 3.014173587369372 2.4635e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1234  
   data-arc span      16786 days (45.96 yr)  
   first obs. used      1969-03-12  
   last obs. used      2015-02-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .4993  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 14:01:50  

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
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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