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JPL Small-Body Database Browser
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469813 (2005 SP121)
Classification: Main-belt Asteroid          SPK-ID: 2469813
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2158805365937481 6.8434e-08  
a 2.419710756400494 3.9989e-08 au
q 1.897342299907091 1.509e-07 au
i 2.75400088363464 8.8728e-06 deg
node 276.0464181451523 0.00017127 deg
peri 134.2493369708821 0.00018964 deg
M 295.8696570610483 8.1248e-05 deg
tp 2459245.408958275901
(2021-Jan-30.90895828)
0.00031599 TDB
period 1374.812934701664
3.76
3.4081e-05
9.331e-08
d
yr
n .2618538063712068 6.4912e-09 deg/d
Q 2.942079212893897 4.8621e-08 au
  Orbit Determination Parameters
   # obs. used (total)      119  
   data-arc span      4524 days (12.39 yr)  
   first obs. used      2005-09-01  
   last obs. used      2018-01-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63109  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-06 09:57:10  

Additional Information
 Earth MOID = .90921 au 
 Jupiter MOID = 2.44084 au 
 T_jup = 3.481 
[ 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 17.7   n/a MPO437770  

469813 (2005 SP121)          Discovered 2005-Sep-29 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-08-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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