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JPL Small-Body Database Browser
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109885 (2001 SP8)
Classification: Main-belt Asteroid          SPK-ID: 2109885
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1020703278631617 5.9359e-08  
a 3.06855021793006 2.6522e-08 au
q 2.755342291121362 1.8653e-07 au
i .8528742013264616 6.823e-06 deg
node 204.6132210677032 0.00039332 deg
peri 126.889889812413 0.00039444 deg
M 131.3415741809457 3.0743e-05 deg
tp 2457884.194978208023
(2017-May-10.69497821)
0.00016573 TDB
period 1963.352498652494
5.38
2.5454e-05
6.969e-08
d
yr
n .1833598399915851 2.3772e-09 deg/d
Q 3.381758144738757 2.9229e-08 au
  Orbit Determination Parameters
   # obs. used (total)      542  
   data-arc span      9015 days (24.68 yr)  
   first obs. used      1994-05-04  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58955  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:02:54  

Additional Information
 Earth MOID = 1.74385 au 
 Jupiter MOID = 1.93546 au 
 T_jup = 3.223 
[ 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 15.1   n/a MPO432620  

109885 (2001 SP8)          Discovered 2001-Sep-18 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 SP8 = 1999 GN55 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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