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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .198254748332724 7.022e-08  
a 2.555053364702812 1.7337e-08 AU
q 2.048501902906976 1.8114e-07 AU
i 7.190287108558278 7.6278e-06 deg
node 355.1209410721765 3.811e-05 deg
peri 350.0419595392915 4.0465e-05 deg
M 280.8446022218394 1.5988e-05 deg
tp 2457328.501949229005
(2015-Nov-02.00194923)
6.847e-05 JED
period 1491.758048558769
4.08
1.5184e-05
4.157e-08
d
yr
n .2413259981052601 2.4563e-09 deg/d
Q 3.061604826498647 2.0775e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1247  
   data-arc span      23324 days (63.86 yr)  
   first obs. used      1950-08-14  
   last obs. used      2014-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47935  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 00:00:08  

Additional Information
 Earth MOID = 1.04222 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 12.6 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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