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66515 (1999 RD97)
Classification: Main-belt Asteroid          SPK-ID: 2066515
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1798616771838375 5.2685e-08  
a 2.59449156395898 9.6668e-09 au
q 2.127841959826 1.3916e-07 au
i .7100290662315437 5.501e-06 deg
node 359.3768011024276 0.00029906 deg
peri 41.3403628903934 0.00029934 deg
M 358.3529454821498 1.0886e-05 deg
tp 2459207.483647257355
(2020-Dec-23.98364726)
4.6154e-05 TDB
period 1526.429748014237
4.18
8.5309e-06
2.336e-08
d
yr
n .2358444602303717 1.3181e-09 deg/d
Q 3.061141168091959 1.1405e-08 au
  Orbit Determination Parameters
   # obs. used (total)      691  
   data-arc span      9238 days (25.29 yr)  
   first obs. used      1995-09-27  
   last obs. used      2021-01-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50502  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:22:51  

Additional Information
 Earth MOID = 1.13508 au 
 Jupiter MOID = 2.35085 au 
 T_jup = 3.395 
[ 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 16.16   n/a E2021B10  

66515 (1999 RD97)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RD97 = 1995 WH23 = 1999 TH326 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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