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227295 (2005 SP219)
Classification: Main-belt Asteroid          SPK-ID: 2227295
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2860674463926965 4.7115e-08  
a 2.653140583433348 2.178e-08 au
q 1.894163431809742 1.2268e-07 au
i 8.747932274773522 5.0543e-06 deg
node 82.51353237417213 4.5791e-05 deg
peri 329.6026487217125 4.7326e-05 deg
M 205.1385640401432 1.6176e-05 deg
tp 2459879.515365775437
(2022-Oct-27.01536578)
7.7278e-05 TDB
period 1578.479045890564
4.32
1.9437e-05
5.322e-08
d
yr
n .2280676458374468 2.8083e-09 deg/d
Q 3.412117735056955 2.801e-08 au
  Orbit Determination Parameters
   # obs. used (total)      369  
   data-arc span      8496 days (23.26 yr)  
   first obs. used      1997-02-10  
   last obs. used      2020-05-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55155  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:39:13  

Additional Information
 Earth MOID = .910697 au 
 Jupiter MOID = 1.98054 au 
 T_jup = 3.314 
[ 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 16.37   n/a E2021B55  
diameter diameter 1.645 km 0.405 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.216   0.095 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

227295 (2005 SP219)          Discovered 2005-Sep-30 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2005 SP219 = 2006 AP21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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