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74757 (1999 RZ205)
Classification: Main-belt Asteroid          SPK-ID: 2074757
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1243025924884115 3.9262e-08  
a 2.276109164167473 8.5328e-09 au
q 1.993182894274825 9.1093e-08 au
i 6.369550622991348 4.5755e-06 deg
node 284.2303841982443 3.393e-05 deg
peri 21.79421252628983 3.7575e-05 deg
M 55.74028362097 1.607e-05 deg
tp 2458806.297538017898
(2019-Nov-18.79753802)
5.5851e-05 TDB
period 1254.261402560481
3.43
7.053e-06
1.931e-08
d
yr
n .2870215086465125 1.614e-09 deg/d
Q 2.559035434060121 9.5934e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1216  
   data-arc span      9788 days (26.80 yr)  
   first obs. used      1994-01-10  
   last obs. used      2020-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49317  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:42:29  

Additional Information
 Earth MOID = .979507 au 
 Jupiter MOID = 2.64615 au 
 T_jup = 3.590 
[ 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 15.2   n/a MPO385287  

74757 (1999 RZ205)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RZ205 = 1998 FE101 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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