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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1846309161549649 4.5444e-08  
a 2.40010951455488 1.1614e-08 au
q 1.956975096010364 1.0807e-07 au
i 1.752882623660456 4.8652e-06 deg
node 24.07533640603774 0.00013196 deg
peri 337.0614928602881 0.00013237 deg
M 247.763478098231 1.2298e-05 deg
tp 2459623.925212198589
(2022-Feb-13.42521220)		 4.8124e-05 TDB
period 1358.141483793517
3.72		 9.8581e-06
2.699e-08		 d
yr
n .2650681127819317 1.924e-09 deg/d
Q 2.843243933099396 1.3759e-08 au
   Orbit Determination Parameters
   # obs. used (total)      525  
   data-arc span      8536 days (23.37 yr)  
   first obs. used      1996-12-09  
   last obs. used      2020-04-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54951  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:14:56  

Additional Information
 Earth MOID = .952522 au 
 Jupiter MOID = 2.60984 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 16.32   n/a E2021B10  

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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