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120641 (1996 PH4)
Classification: Main-belt Asteroid          SPK-ID: 2120641
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2530693743092796 1.0478e-07  
a 2.571380400627743 1.5813e-08 au
q 1.920642771529736 2.7372e-07 au
i 2.929850089667581 5.2419e-06 deg
node 310.3123812234965 0.00012163 deg
peri 85.86233192404575 0.00012228 deg
M 234.3947208466723 9.702e-06 deg
tp 2459525.976517644945
(2021-Nov-07.47651764)		 4.0977e-05 TDB
period 1506.079582222469
4.12		 1.3893e-05
3.804e-08		 d
yr
n .2390311934703747 2.2049e-09 deg/d
Q 3.222118029725751 1.9815e-08 au
   Orbit Determination Parameters
   # obs. used (total)      471  
   data-arc span      8293 days (22.70 yr)  
   first obs. used      1996-08-10  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49785  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:27:21  

Additional Information
 Earth MOID = .930359 au 
 Jupiter MOID = 2.2285 au 
 T_jup = 3.382 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO436582  

120641 (1996 PH4)          Discovered 1996-Aug-10 by NEAT at Haleakala
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

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Alternate Designations
 1996 PH4 = 2002 AN164 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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