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79137 (1991 PD15)
Classification: Mars-crossing Asteroid          SPK-ID: 2079137
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3051393123668601 9.5067e-08  
a 2.261893976397328 1.5851e-08 AU
q 1.571701203792704 2.1865e-07 AU
i 5.664445605297601 8.5199e-06 deg
node 291.0706515827902 9.5353e-05 deg
peri 35.09214962913513 9.5802e-05 deg
M 249.1313727424841 1.5872e-05 deg
tp 2457183.159907685278
(2015-Jun-09.65990769)
5.746e-05 JED
period 1242.529741499628
3.40
1.3061e-05
3.576e-08
d
yr
n .2897314953326674 3.0455e-09 deg/d
Q 2.952086749001951 2.0687e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      379  
   data-arc span      8279 days (22.67 yr)  
   first obs. used      1991-08-06  
   last obs. used      2014-04-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57267  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 15:25:17  

Additional Information
 Earth MOID = .562794 AU 
 T_jup = 3.550 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5 mag n/a MPO250888  

79137 (1991 PD15)          Discovered 1991-Aug-06 by Holt, H. E. at Palomar (675)
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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