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JPL Small-Body Database Browser
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56271 (1999 JK102)
Classification: Main-belt Asteroid          SPK-ID: 2056271
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .154433007113352 4.8654e-08  
a 2.295569632533603 8.8851e-09 au
q 1.941057911143346 1.1103e-07 au
i 6.808736588688601 4.3936e-06 deg
node 174.5951000732968 3.2362e-05 deg
peri 198.9262397221748 3.4363e-05 deg
M 123.2434581405293 1.2327e-05 deg
tp 2458165.593890720668
(2018-Feb-16.09389072)
4.2702e-05 TDB
period 1270.381419856245
3.48
7.3756e-06
2.019e-08
d
yr
n .2833794594073464 1.6452e-09 deg/d
Q 2.650081353923859 1.0257e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1431  
   data-arc span      23126 days (63.32 yr)  
   first obs. used      1955-12-12  
   last obs. used      2019-04-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53379  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:24:13  

Additional Information
 Earth MOID = .9416 au 
 Jupiter MOID = 2.8102 au 
 T_jup = 3.570 
[ 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 14.8   n/a MPO333304  

56271 (1999 JK102)          Discovered 1999-May-13 by LINEAR at Socorro
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JK102 = 2000 OR20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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