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JPL Small-Body Database Browser
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74614 (1999 RP21)
Classification: Main-belt Asteroid          SPK-ID: 2074614
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1711048854984549 4.0131e-08  
a 2.391809846999623 9.4055e-09 au
q 1.982559496994676 9.4847e-08 au
i 2.273849309895393 3.7913e-06 deg
node 111.3230304421654 0.00012621 deg
peri 310.6726186763171 0.00012721 deg
M 59.06770623308819 1.407e-05 deg
tp 2458378.815153898717
(2018-Sep-17.31515390)		 5.2546e-05 TDB
period 1351.102822268663
3.70		 7.9696e-06
2.182e-08		 d
yr
n .2664490030414688 1.5717e-09 deg/d
Q 2.801060197004571 1.1015e-08 au
   Orbit Determination Parameters
   # obs. used (total)      671  
   data-arc span      8062 days (22.07 yr)  
   first obs. used      1997-03-06  
   last obs. used      2019-04-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61532  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 04:10:12  

Additional Information
 Earth MOID = .99615 au 
 Jupiter MOID = 2.513 au 
 T_jup = 3.510 
[ 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 16.2   n/a MPO453160  

74614 (1999 RP21)          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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