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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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1220302723815578 4.9365e-08  
a 2.439770849456611 1.1989e-08 AU
q 2.142044948148837 1.2046e-07 AU
i 2.799285821874735 4.962e-06 deg
node 171.8295540944453 0.00010597 deg
peri 319.4155836086286 0.00010845 deg
M 344.887830932869 2.091e-05 deg
tp 2457058.931399291111
(2015-Feb-05.43139929)
8.0824e-05 JED
period 1391.944707034269
3.81
1.026e-05
2.809e-08
d
yr
n .2586309629834577 1.9064e-09 deg/d
Q 2.737496750764386 1.3452e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1262  
   data-arc span      13832 days (37.87 yr)  
   first obs. used      1977-04-10  
   last obs. used      2015-02-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48211  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 13:45:31  

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 13.7 mag n/a MPO319121  

2990 Trimberger (1981 EN27)          Discovered 1981-Mar-02 by Bus, S. J. at Siding Spring
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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