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447185 (2005 SP99)
Classification: Main-belt Asteroid          SPK-ID: 2447185
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2145271691875283 7.1679e-08  
a 2.873098000628785 2.5674e-08 au
q 2.256740419755544 2.0163e-07 au
i 7.57405330556061 1.0567e-05 deg
node 229.9914032445582 4.1156e-05 deg
peri 147.9304829923321 5.5883e-05 deg
M 5.274841405791932 3.4121e-05 deg
tp 2458974.436604603032
(2020-May-04.93660460)
0.00016835 TDB
period 1778.787573140267
4.87
2.3843e-05
6.528e-08
d
yr
n .2023850432935378 2.7128e-09 deg/d
Q 3.489455581502026 3.1182e-08 au
  Orbit Determination Parameters
   # obs. used (total)      198  
   data-arc span      6839 days (18.72 yr)  
   first obs. used      2000-09-23  
   last obs. used      2019-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5999  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:48:56  

Additional Information
 Earth MOID = 1.26347 au 
 Jupiter MOID = 2.00192 au 
 T_jup = 3.250 
[ 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 16.7   n/a MPO446774  
diameter diameter 2.161 km 0.425 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.072   0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

447185 (2005 SP99)          Discovered 2005-Sep-25 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-10-28

[ show close-approach data ]
Alternate Designations
 2005 SP99 = 2000 SX96 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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