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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2525553459668743 8.6874e-08  
a 2.57283911493395 1.5845e-08 au
q 1.923054842144699 2.2881e-07 au
i 2.930028434069614 5.1432e-06 deg
node 310.3077631265774 0.00011926 deg
peri 85.7470389474696 0.00011975 deg
M 282.2731493644332 9.6053e-06 deg
tp 2459525.951248424925
(2021-Nov-07.45124843)		 4.0555e-05 TDB
period 1507.361336204209
4.13		 1.3925e-05
3.812e-08		 d
yr
n .2388279381681243 2.2063e-09 deg/d
Q 3.2226233877232 1.9847e-08 au
   Orbit Determination Parameters
   # obs. used (total)      480  
   data-arc span      8772 days (24.02 yr)  
   first obs. used      1996-08-10  
   last obs. used      2020-08-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49701  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:55:46  

Additional Information
 Earth MOID = .931663 au 
 Jupiter MOID = 2.22941 au 
 T_jup = 3.381 
[ 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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