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15643 (3540 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2015643
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1700221088578068 4.0345e-08  
a 2.774779609399531 1.6677e-08 au
q 2.303005728593781 1.1724e-07 au
i 7.743611002151872 4.6658e-06 deg
node 278.6190128774954 3.0926e-05 deg
peri 95.9795701271093 3.3986e-05 deg
M 327.139199472007 1.5219e-05 deg
tp 2459154.605027342733
(2020-Nov-01.10502734)
7.193e-05 TDB
period 1688.267143587214
4.62
1.5221e-05
4.167e-08
d
yr
n .2132363952988361 1.9224e-09 deg/d
Q 3.246553490205281 1.9513e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1439  
   data-arc span      21841 days (59.80 yr)  
   first obs. used      1960-10-17  
   last obs. used      2020-08-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4849  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 01:01:20  

Additional Information
 Earth MOID = 1.31988 au 
 Jupiter MOID = 2.31006 au 
 T_jup = 3.301 
[ 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 13.6   n/a MPO449064  

15643 (3540 P-L)          Discovered 1960-Oct-17 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 3540 P-L = 1988 XV3 = 1999 CA64 = 2000 JY20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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