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JPL Small-Body Database Browser
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74647 (1999 RH71)
Classification: Main-belt Asteroid          SPK-ID: 2074647
[ 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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1841973112984587 4.5615e-08  
a 2.40096282577974 1.2102e-08 au
q 1.958711928743562 1.0827e-07 au
i 1.752540935732229 4.9496e-06 deg
node 24.08620643041736 0.00014221 deg
peri 337.1079905415162 0.00014268 deg
M 88.69286998088526 1.212e-05 deg
tp 2458265.717469074210
(2018-May-27.21746907)		 4.4875e-05 TDB
period 1358.865838474488
3.72		 1.0274e-05
2.813e-08		 d
yr
n .2649268160307489 2.0031e-09 deg/d
Q 2.843213722815918 1.4331e-08 au
   Orbit Determination Parameters
   # obs. used (total)      472  
   data-arc span      8096 days (22.17 yr)  
   first obs. used      1996-12-09  
   last obs. used      2019-02-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56395  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:21:57  

Additional Information
 Earth MOID = .955023 au 
 Jupiter MOID = 2.60548 au 
 T_jup = 3.502 
[ 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  

74647 (1999 RH71)          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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