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243623 (1999 RY22)
Classification: Main-belt Asteroid          SPK-ID: 2243623
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2022902677479587 3.674e-08  
a 2.398130224267629 1.5241e-08 au
q 1.913011819106058 8.7525e-08 au
i 2.809839295896793 4.6542e-06 deg
node 165.3563627595277 0.00010335 deg
peri 154.7866168448891 0.00010471 deg
M 232.4228692283936 1.9861e-05 deg
tp 2459481.204182279200
(2021-Sep-23.70418228)
7.8255e-05 TDB
period 1356.461809211866
3.71
1.2931e-05
3.54e-08
d
yr
n .2653963403578371 2.53e-09 deg/d
Q 2.8832486294292 1.8324e-08 au
  Orbit Determination Parameters
   # obs. used (total)      293  
   data-arc span      16971 days (46.46 yr)  
   first obs. used      1973-10-04  
   last obs. used      2020-03-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58903  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:55:21  

Additional Information
 Earth MOID = .900649 au 
 Jupiter MOID = 2.43371 au 
 T_jup = 3.498 
[ 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 16.9   n/a MPO418302  

243623 (1999 RY22)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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