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2990 Trimberger (1981 EN27)
Classification: Main-belt Asteroid          SPK-ID: 2002990
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1218116815452641 5.2876e-08  
a 2.438949455989889 1.5003e-08 AU
q 2.141856921551854 1.3176e-07 AU
i 2.799225759498865 5.8106e-06 deg
node 171.8411624966948 0.00012246 deg
peri 319.5120959858282 0.00012666 deg
M 293.0404417194458 3.3714e-05 deg
tp 2457059.269273467251
(2015-Feb-05.76927347)
0.00013142 JED
period 1391.241830746429
3.81
1.2837e-05
3.515e-08
d
yr
n .2587616272340322 2.3876e-09 deg/d
Q 2.736041990427925 1.6831e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1078  
   data-arc span      13412 days (36.72 yr)  
   first obs. used      1977-04-10  
   last obs. used      2013-12-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52761  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jan-21 21:50:24  

Additional Information
 Earth MOID = 1.15726 AU 
 T_jup = 3.491 
[ 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 13.6 mag n/a MPO267719  

2990 Trimberger (1981 EN27)          Discovered 1981-Mar-02 by Bus, S. J. at Siding Spring (413)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1981 EN27 = 1973 AQ1 = 1977 GL 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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