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74628 (1999 RV42)
Classification: Main-belt Asteroid          SPK-ID: 2074628
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1271918486089787 3.5621e-08  
a 2.259162221940584 8.6092e-09 au
q 1.971815202624393 8.047e-08 au
i 4.595650044777688 4.6207e-06 deg
node 28.48095171295919 5.0771e-05 deg
peri 226.8632761772667 5.4199e-05 deg
M 119.6738506872009 1.9699e-05 deg
tp 2458588.197168748044
(2019-Apr-14.69716875)
6.7463e-05 TDB
period 1240.279462876669
3.40
7.0897e-06
1.941e-08
d
yr
n .2902571644337528 1.6592e-09 deg/d
Q 2.546509241256774 9.7043e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1035  
   data-arc span      17699 days (48.46 yr)  
   first obs. used      1971-04-16  
   last obs. used      2019-09-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56888  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 08:55:23  

Additional Information
 Earth MOID = .960671 au 
 Jupiter MOID = 2.49433 au 
 T_jup = 3.606 
[ 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 MPO337820  

74628 (1999 RV42)          Discovered 1999-Sep-12 by Crni Vrh at Crni Vrh
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RV42 = 1998 FR20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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