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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3051213425441301 6.7291e-08  
a 2.261886808864694 1.3313e-08 au
q 1.57173686906104 1.4736e-07 au
i 5.664385143375611 4.9903e-06 deg
node 291.0650201533135 7.5547e-05 deg
peri 35.0352669998005 7.6539e-05 deg
M 120.9600780676 1.4236e-05 deg
tp 2457183.011721833078
(2015-Jun-09.51172183)
4.7137e-05 JED
period 1242.523835476507
3.40
1.097e-05
3.003e-08
d
yr
n .2897328724981282 2.558e-09 deg/d
Q 2.952036748668347 1.7375e-08 au
  Orbit Determination Parameters
   # obs. used (total)      628  
   data-arc span      8939 days (24.47 yr)  
   first obs. used      1991-08-06  
   last obs. used      2016-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50531  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-26 04:17:40  

Additional Information
 Earth MOID = .563303 au 
 Jupiter MOID = 2.40043 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
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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