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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1220302715056828 4.9339e-08  
a 2.439770850290356 1.1889e-08 AU
q 2.142044951017773 1.2034e-07 AU
i 2.799285577265571 4.9449e-06 deg
node 171.8295471311775 0.00010448 deg
peri 319.4155920790903 0.00010694 deg
M 344.8878289052338 2.0595e-05 deg
tp 2457058.931407160941
(2015-Feb-05.43140716)
7.9595e-05 JED
period 1391.944707747774
3.81
1.0174e-05
2.785e-08
d
yr
n .2586309628508846 1.8904e-09 deg/d
Q 2.737496749562938 1.334e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1348  
   data-arc span      13863 days (37.95 yr)  
   first obs. used      1977-04-10  
   last obs. used      2015-03-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47027  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:12:23  

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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