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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .122030270505228 4.994e-08  
a 2.439770855619176 1.675e-08 AU
q 2.142044958137197 1.2369e-07 AU
i 2.799286537227087 5.4822e-06 deg
node 171.829548410393 0.00011978 deg
peri 319.4155994671891 0.00012377 deg
M 344.8878171294621 3.383e-05 deg
tp 2457058.931452883551
(2015-Feb-05.43145288)
0.00013112 JED
period 1391.944712308094
3.81
1.4334e-05
3.924e-08
d
yr
n .2586309620035522 2.6634e-09 deg/d
Q 2.737496753101156 1.8794e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1080  
   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      .49994  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 17:46:57  

Additional Information
 Earth MOID = 1.15773 AU 
 T_jup = 3.490 
[ 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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