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JPL Small-Body Database Browser
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17300 (4321 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2017300
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2739467639276348 3.7062e-08  
a 2.374025113982474 9.6257e-09 au
q 1.723668616524041 8.9273e-08 au
i 7.899730315563363 5.8769e-06 deg
node 200.2153285321245 3.156e-05 deg
peri 88.28391597122089 3.3618e-05 deg
M 161.0310909375495 1.2982e-05 deg
tp 2458402.868301339437
(2018-Oct-11.36830134)
4.5861e-05 TDB
period 1336.061317508185
3.66
8.1258e-06
2.225e-08
d
yr
n .269448711135067 1.6388e-09 deg/d
Q 3.024381611440907 1.2263e-08 au
  Orbit Determination Parameters
   # obs. used (total)      567  
   data-arc span      21668 days (59.32 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58669  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:00:57  

Additional Information
 Earth MOID = .730402 au 
 Jupiter MOID = 2.22226 au 
 T_jup = 3.479 
[ 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 16.3   n/a MPO347660  

17300 (4321 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 4321 P-L = 2000 LH20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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