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2997 Cabrera (1974 MJ)
Classification: Main-belt Asteroid          SPK-ID: 2002997
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .19825008382734 6.6779e-08  
a 2.555380861807795 1.2948e-08 au
q 2.048776391743619 1.749e-07 au
i 7.190409366510966 6.7962e-06 deg
node 355.116903127736 3.4613e-05 deg
peri 349.9812706411392 3.6577e-05 deg
M 17.41220317326248 1.1378e-05 deg
tp 2457328.333921073231
(2015-Nov-01.83392107)
4.6944e-05 JED
period 1492.044869630883
4.08
1.134e-05
3.105e-08
d
yr
n .2412796071535439 1.8338e-09 deg/d
Q 3.061985331871971 1.5515e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1431  
   data-arc span      23852 days (65.30 yr)  
   first obs. used      1950-08-14  
   last obs. used      2015-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .4706  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 12:46:05  

Additional Information
 Earth MOID = 1.04013 au 
 Jupiter MOID = 2.34371 au 
 T_jup = 3.399 
[ 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 12.7 mag n/a MPO347544  

2997 Cabrera (1974 MJ)          Discovered 1974-Jun-17 by Felix Aguilar Observatory at El Leoncito
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1974 MJ = 1950 TA4 = 1977 EZ7 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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