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74641 (1999 RX60)
Classification: Main-belt Asteroid          SPK-ID: 2074641
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1289957395572002 3.9667e-08  
a 2.228405882280671 7.2398e-09 au
q 1.94095101746226 8.9125e-08 au
i 5.169915641287052 4.8496e-06 deg
node 189.2979730575774 3.3961e-05 deg
peri 31.91036131635214 3.7193e-05 deg
M 183.6678029110923 1.5302e-05 deg
tp 2459595.639792484986
(2022-Jan-16.13979249)
5.2675e-05 TDB
period 1215.038029535632
3.33
5.9213e-06
1.621e-08
d
yr
n .2962870225038028 1.4439e-09 deg/d
Q 2.515860747099081 8.1738e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1009  
   data-arc span      8764 days (23.99 yr)  
   first obs. used      1996-11-01  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53921  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:42:55  

Additional Information
 Earth MOID = .935337 au 
 Jupiter MOID = 2.456 au 
 T_jup = 3.628 
[ 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 15.6   n/a MPO493391  

74641 (1999 RX60)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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