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JPL Small-Body Database Browser
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109656 (2001 RY8)
Classification: Main-belt Asteroid          SPK-ID: 2109656
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1155671367669936 7.0894e-08  
a 2.942346533980394 2.1578e-08 au
q 2.602307969671992 2.1183e-07 au
i 1.739884390107314 7.0582e-06 deg
node 12.87930688683281 0.00017425 deg
peri .6348908740748456 0.00017588 deg
M 156.3971867160383 2.6655e-05 deg
tp 2457799.623421029754
(2017-Feb-15.12342103)		 0.00013306 TDB
period 1843.483086129722
5.05		 2.0279e-05
5.552e-08		 d
yr
n .1952825077206418 2.1482e-09 deg/d
Q 3.282385098288795 2.4072e-08 au
   Orbit Determination Parameters
   # obs. used (total)      436  
   data-arc span      8249 days (22.58 yr)  
   first obs. used      1996-09-05  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64553  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:01:19  

Additional Information
 Earth MOID = 1.60198 au 
 Jupiter MOID = 2.17951 au 
 T_jup = 3.262 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO264102  

109656 (2001 RY8)          Discovered 2001-Sep-07 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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