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136603 (1993 PR4)
Classification: Main-belt Asteroid          SPK-ID: 2136603
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1736481893258763 5.3203e-08  
a 2.107508592362867 1.3054e-08 au
q 1.741543541310329 1.1797e-07 au
i 3.767690416069194 5.1064e-06 deg
node 284.0765845186543 8.3012e-05 deg
peri 55.49084440058792 9.8721e-05 deg
M 263.6631439670956 6.6742e-05 deg
tp 2459299.549049196068
(2021-Mar-26.04904920)
0.00020879 TDB
period 1117.512675250826
3.06
1.0383e-05
2.843e-08
d
yr
n .3221439970863847 2.993e-09 deg/d
Q 2.473473643415405 1.5321e-08 au
  Orbit Determination Parameters
   # obs. used (total)      395  
   data-arc span      9752 days (26.70 yr)  
   first obs. used      1993-08-15  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57235  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 22:39:42  

Additional Information
 Earth MOID = .735901 au 
 Jupiter MOID = 2.90384 au 
 T_jup = 3.720 
[ 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 16.6   n/a MPO459644  

136603 (1993 PR4)          Discovered 1993-Aug-15 by Elst, E. W. at Caussols
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

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Alternate Designations
 1993 PR4 = 1999 NT22 = 2004 BZ67 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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