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215088 (2220 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2215088
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1762231942452906 7.1765e-08  
a 3.177079425919726 2.8935e-08 au
q 2.617204341113158 2.2768e-07 au
i 14.25273140543014 9.1261e-06 deg
node .9552463603694075 2.4093e-05 deg
peri 15.64008079040899 3.3479e-05 deg
M 158.3307606747638 2.1425e-05 deg
tp 2458090.789237708996
(2017-Dec-03.28923771)
0.00011895 TDB
period 2068.428604960026
5.66
2.8257e-05
7.736e-08
d
yr
n .1740451660437936 2.3777e-09 deg/d
Q 3.736954510726294 3.4034e-08 au
  Orbit Determination Parameters
   # obs. used (total)      227  
   data-arc span      21759 days (59.57 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53264  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 09:15:10  

Additional Information
 Earth MOID = 1.62072 au 
 Jupiter MOID = 1.7489 au 
 T_jup = 3.129 
[ 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 15.9   n/a MPO251613  
diameter diameter 6.347 km 1.792 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.025   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

215088 (2220 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

[ show close-approach data ]
Alternate Designations
 2220 P-L = 2000 SA77 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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