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215125 (1999 RY78)
Classification: Main-belt Asteroid          SPK-ID: 2215125
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 .1362396363913118 6.2124e-08  
a 2.334042021116525 1.517e-08 au
q 2.016052984837567 1.3998e-07 au
i 8.198916226719515 6.4713e-06 deg
node 166.1114078296721 3.8272e-05 deg
peri 182.8288719901603 4.3753e-05 deg
M 290.6402478120534 2.1716e-05 deg
tp 2459251.438018811194
(2021-Feb-05.93801881)
7.9479e-05 TDB
period 1302.451117864994
3.57
1.2698e-05
3.477e-08
d
yr
n .2764019279204273 2.6948e-09 deg/d
Q 2.652031057395483 1.7237e-08 au
  Orbit Determination Parameters
   # obs. used (total)      204  
   data-arc span      7118 days (19.49 yr)  
   first obs. used      1999-09-03  
   last obs. used      2019-02-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63707  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:31:56  

Additional Information
 Earth MOID = 1.00957 au 
 Jupiter MOID = 2.764 au 
 T_jup = 3.543 
[ 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 17.2   n/a MPO433407  

215125 (1999 RY78)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

[ show close-approach data ]
Alternate Designations
 1999 RY78 = 2005 EH163 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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