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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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3051392896258896 1.008e-07  
a 2.261893990475023 2.3428e-08 AU
q 1.571701265012406 2.3486e-07 AU
i 5.664451064156692 8.4656e-06 deg
node 291.0706128073573 9.5396e-05 deg
peri 35.09217149210812 9.5835e-05 deg
M 249.1313754677134 1.7278e-05 deg
tp 2457183.159901851655
(2015-Jun-09.65990185)
6.4033e-05 JED
period 1242.529753099611
3.40
1.9305e-05
5.285e-08
d
yr
n .2897314926277982 4.5014e-09 deg/d
Q 2.952086715937639 3.0577e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      378  
   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      .53141  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-10 15:02:43  

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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