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70383 (1999 RK218)
Classification: Main-belt Asteroid          SPK-ID: 2070383
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1833599273855415 2.6791e-08  
a 2.417366840212877 8.2177e-09 au
q 1.974118631927228 6.2708e-08 au
i 4.535558197859163 3.4736e-06 deg
node 244.8003591791488 5.4536e-05 deg
peri 224.7560334461313 5.6543e-05 deg
M 139.9295452546998 1.5414e-05 deg
tp 2458666.895861074828
(2019-Jul-02.39586107)
5.7444e-05 TDB
period 1372.81579571638
3.76
7.0002e-06
1.917e-08
d
yr
n .2622347449113814 1.3372e-09 deg/d
Q 2.860615048498526 9.7245e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1389  
   data-arc span      10073 days (27.58 yr)  
   first obs. used      1992-11-25  
   last obs. used      2020-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51266  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:49:23  

Additional Information
 Earth MOID = .993719 au 
 Jupiter MOID = 2.28009 au 
 T_jup = 3.488 
[ 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 15.12   n/a E2021B10  

70383 (1999 RK218)          Discovered 1999-Sep-04 by CSS at Catalina
Reference: 20031109/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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