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19864 (2775 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2019864
[ 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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1982102330385453 3.6191e-08  
a 2.371930186363919 1.1037e-08 au
q 1.901789351373566 8.6276e-08 au
i 3.05690751599977 4.9517e-06 deg
node 61.94580065311813 8.7663e-05 deg
peri 218.9172080222113 8.894e-05 deg
M 241.9660898847811 1.7819e-05 deg
tp 2459637.977350903449
(2022-Feb-27.47735090)		 6.7607e-05 TDB
period 1334.293222782384
3.65		 9.313e-06
2.55e-08		 d
yr
n .2698057622216627 1.8832e-09 deg/d
Q 2.842071021354272 1.3225e-08 au
   Orbit Determination Parameters
   # obs. used (total)      855  
   data-arc span      22002 days (60.24 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56014  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:45:05  

Additional Information
 Earth MOID = .88465 au 
 Jupiter MOID = 2.30014 au 
 T_jup = 3.515 
[ 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 15.4   n/a MPO302187  
diameter diameter 2.086 km 0.347 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.338   0.144 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19864 (2775 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2775 P-L = 2000 SW241 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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