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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .198242004974276 3.6987e-08  
a 2.372001136061151 1.1267e-08 au
q 1.901770875047128 8.7785e-08 au
i 3.057086446947414 5.1775e-06 deg
node 61.95239735061943 8.8354e-05 deg
peri 218.8772577394063 8.9637e-05 deg
M 188.0551466864976 1.7634e-05 deg
tp 2459637.819851265108
(2022-Feb-27.31985127)
6.7596e-05 TDB
period 1334.353090738435
3.65
9.5069e-06
2.603e-08
d
yr
n .2697936569403642 1.9222e-09 deg/d
Q 2.842231397075174 1.35e-08 au
  Orbit Determination Parameters
   # obs. used (total)      836  
   data-arc span      21652 days (59.28 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55837  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 01:12:01  

Additional Information
 Earth MOID = .886514 au 
 Jupiter MOID = 2.30069 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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