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JPL Small-Body Database Browser
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65494 (2123 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2065494
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07711295379676153 4.4796e-08  
a 3.173672722475756 2.5498e-08 au
q 2.928941444461441 1.4667e-07 au
i 8.823194380116943 5.3034e-06 deg
node 345.8261186443757 2.951e-05 deg
peri 332.6030419013665 4.2504e-05 deg
M 235.6078596865596 3.1464e-05 deg
tp 2459714.062593382129
(2022-May-14.56259338)
0.00018224 TDB
period 2065.102609942072
5.65
2.4887e-05
6.814e-08
d
yr
n .1743254781950512 2.1008e-09 deg/d
Q 3.418404000490072 2.7464e-08 au
  Orbit Determination Parameters
   # obs. used (total)      658  
   data-arc span      21681 days (59.36 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55103  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:40:35  

Additional Information
 Earth MOID = 1.91976 au 
 Jupiter MOID = 1.91437 au 
 T_jup = 3.178 
[ 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 14.4   n/a MPO432207  
diameter diameter 6.603 km 0.418 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.070   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

65494 (2123 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2123 P-L = 2000 SQ176 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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