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434490 (2005 SP23)
Classification: Main-belt Asteroid          SPK-ID: 2434490
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1805433337127035 7.632e-08  
a 3.106549253247933 4.2965e-08 au
q 2.545682494723842 2.443e-07 au
i 14.25542964414229 9.911e-06 deg
node 179.9268936621757 2.7676e-05 deg
peri 151.2973790209629 3.8236e-05 deg
M 260.2122203104557 2.5627e-05 deg
tp 2459554.858423487646
(2021-Dec-06.35842349)
0.0001475 TDB
period 1999.934591955483
5.48
4.149e-05
1.136e-07
d
yr
n .1800058869165324 3.7343e-09 deg/d
Q 3.667416011772025 5.0722e-08 au
  Orbit Determination Parameters
   # obs. used (total)      115  
   data-arc span      5786 days (15.84 yr)  
   first obs. used      2004-06-22  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5998  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 03:26:03  

Additional Information
 Earth MOID = 1.54612 au 
 Jupiter MOID = 1.82049 au 
 T_jup = 3.148 
[ 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 16.0   n/a MPO434585  

434490 (2005 SP23)          Discovered 2005-Sep-14 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-06-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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