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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .30518378993104 1.008e-07  
a 2.262097972700808 2.3384e-08 AU
q 1.571742340196653 2.349e-07 AU
i 5.664427260022883 8.4543e-06 deg
node 291.0696997037978 9.5387e-05 deg
peri 35.07756677755481 9.5824e-05 deg
M 307.0968968788302 1.793e-05 deg
tp 2457183.118255156428
(2015-Jun-09.61825516)
6.4021e-05 JED
period 1242.697837700309
3.40
1.927e-05
5.276e-08
d
yr
n .2896923041776615 4.492e-09 deg/d
Q 2.952453605204963 3.0521e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      389  
   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      .5244  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 16:34:11  

Additional Information
 Earth MOID = .564681 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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