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70228 (1999 RY51)
Classification: Main-belt Asteroid          SPK-ID: 2070228
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .180097509730262 3.9181e-08  
a 2.393751786839221 8.2006e-09 au
q 1.962643051117112 9.3445e-08 au
i 1.391954721067027 4.6715e-06 deg
node 165.6772781592267 0.00014646 deg
peri 236.3182211467358 0.00014694 deg
M 160.2278483130575 1.0576e-05 deg
tp 2458398.422219536391
(2018-Oct-06.92221954)
3.9165e-05 TDB
period 1352.748621721558
3.70
6.9515e-06
1.903e-08
d
yr
n .2661248322262939 1.3676e-09 deg/d
Q 2.824860522561329 9.6775e-09 au
  Orbit Determination Parameters
   # obs. used (total)      970  
   data-arc span      10096 days (27.64 yr)  
   first obs. used      1992-11-20  
   last obs. used      2020-07-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54477  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:01:34  

Additional Information
 Earth MOID = .971517 au 
 Jupiter MOID = 2.57631 au 
 T_jup = 3.508 
[ 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 15.7   n/a MPO468641  

70228 (1999 RY51)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RY51 = 2001 BK74 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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