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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3387123844116524 5.4081e-08  
a 2.603375881558958 1.1584e-08 au
q 1.721580229196336 1.3674e-07 au
i 6.787183302215215 4.4245e-06 deg
node 158.1793012829682 4.814e-05 deg
peri 236.6082430810397 4.8457e-05 deg
M 313.9404659589117 8.0888e-06 deg
tp 2459196.800217991457
(2020-Dec-13.30021799)
3.5294e-05 TDB
period 1534.276886385431
4.20
1.0241e-05
2.804e-08
d
yr
n .2346382215586367 1.5661e-09 deg/d
Q 3.485171533921581 1.5508e-08 au
  Orbit Determination Parameters
   # obs. used (total)      569  
   data-arc span      14766 days (40.43 yr)  
   first obs. used      1978-09-02  
   last obs. used      2019-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59402  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:24:01  

Additional Information
 Earth MOID = .738822 au 
 Jupiter MOID = 1.98588 au 
 T_jup = 3.320 
[ 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 15.3   n/a MPO436245  

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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