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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1981997899819108 6.634e-08  
a 2.555024419443834 1.2764e-08 au
q 2.048619116111412 1.7359e-07 au
i 7.190326778655561 6.7843e-06 deg
node 355.1160588934377 3.436e-05 deg
peri 349.9452911055264 3.633e-05 deg
M 65.70606968550955 1.1364e-05 deg
tp 2457328.233631416702
(2015-Nov-01.73363142)
4.6312e-05 JED
period 1491.732699263905
4.08
1.1178e-05
3.06e-08
d
yr
n .2413300990034219 1.8084e-09 deg/d
Q 3.061429722776255 1.5294e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1455  
   data-arc span      23925 days (65.50 yr)  
   first obs. used      1950-08-14  
   last obs. used      2016-02-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47403  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-25 17:57:40  

Additional Information
 Earth MOID = 1.04105 au 
 Jupiter MOID = 2.34466 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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