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66456 (1999 PS5)
Classification: Main-belt Asteroid          SPK-ID: 2066456
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3385844784552061 3.2409e-08  
a 2.602606842912949 7.0012e-09 au
q 1.721404562381318 8.5497e-08 au
i 6.787979561296818 3.6832e-06 deg
node 158.1783050964153 2.472e-05 deg
peri 236.6462782061134 2.5396e-05 deg
M .8504283143149282 4.0713e-06 deg
tp 2459196.877182238167
(2020-Dec-13.37718224)
1.7343e-05 TDB
period 1533.597097258788
4.20
6.1882e-06
1.694e-08
d
yr
n .2347422283489439 9.472e-10 deg/d
Q 3.48380912344458 9.3716e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1155  
   data-arc span      15527 days (42.51 yr)  
   first obs. used      1978-09-02  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48273  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:22:20  

Additional Information
 Earth MOID = .737561 au 
 Jupiter MOID = 1.98832 au 
 T_jup = 3.321 
[ 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 15.43   n/a E2021B10  

66456 (1999 PS5)          Discovered 1999-Aug-12 by Spacewatch at Kitt Peak
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 PS5 = 1978 RZ8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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