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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2043144214265003 4.9124e-08  
a 2.31212476333009 1.5767e-08 au
q 1.839724330044419 1.1452e-07 au
i 6.355896791460316 8.0481e-06 deg
node 24.52388332266629 4.5793e-05 deg
peri 287.1768852521078 5.063e-05 deg
M 53.11707126091502 1.9292e-05 deg
tp 2458811.027168672299
(2019-Nov-23.52716867)
6.8423e-05 TDB
period 1284.14872391813
3.52
1.3135e-05
3.596e-08
d
yr
n .2803413602293557 2.8676e-09 deg/d
Q 2.784525196615761 1.8988e-08 au
  Orbit Determination Parameters
   # obs. used (total)      235  
   data-arc span      6554 days (17.94 yr)  
   first obs. used      2001-05-22  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6203  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 08:28:44  

Additional Information
 Earth MOID = .838181 au 
 Jupiter MOID = 2.52098 au 
 T_jup = 3.548 
[ 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 16.9   n/a MPO437072  

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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