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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1982856304871058 7.3781e-08  
a 2.55468963593199 1.4606e-08 AU
q 2.04813139077234 1.8874e-07 AU
i 7.19069908552164 8.0945e-06 deg
node 355.1243163473641 3.9971e-05 deg
peri 350.0807123042405 4.2404e-05 deg
M 232.5277158777534 1.551e-05 deg
tp 2457328.603338660605
(2015-Nov-02.10333866)
6.6938e-05 JED
period 1491.439517436547
4.08
1.279e-05
3.502e-08
d
yr
n .2413775388081174 2.07e-09 deg/d
Q 3.061247881091639 1.7502e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1211  
   data-arc span      23248 days (63.65 yr)  
   first obs. used      1950-08-14  
   last obs. used      2014-04-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5177  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 13:42:54  

Additional Information
 Earth MOID = 1.04017 AU 
 T_jup = 3.400 
[ 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 12.6 mag n/a MPO263372  

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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