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226158 (2002 SP44)
Classification: Main-belt Asteroid          SPK-ID: 2226158
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2042832379993415 3.8501e-08  
a 2.312550282105243 1.3341e-08 au
q 1.840135022440493 9.2901e-08 au
i 6.355365812744044 6.4803e-06 deg
node 24.52092797513572 4.0751e-05 deg
peri 287.2313739291966 4.5635e-05 deg
M 109.127775531283 1.7359e-05 deg
tp 2458811.125052573952
(2019-Nov-23.62505257)
6.1448e-05 TDB
period 1284.503238437168
3.52
1.1116e-05
3.043e-08
d
yr
n .2802639878417165 2.4253e-09 deg/d
Q 2.784965541769993 1.6067e-08 au
  Orbit Determination Parameters
   # obs. used (total)      280  
   data-arc span      7170 days (19.63 yr)  
   first obs. used      2001-05-22  
   last obs. used      2021-01-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61527  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:34:42  

Additional Information
 Earth MOID = .836645 au 
 Jupiter MOID = 2.52041 au 
 T_jup = 3.547 
[ 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 17.01   n/a MPCxxxxx  

226158 (2002 SP44)          Discovered 2002-Sep-29 by NEAT at Haleakala
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

Alternate Designations
 2002 SP44 = 2009 SA275 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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