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JPL Small-Body Database Browser
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487597 (2015 KG121)
Classification: Main-belt Asteroid          SPK-ID: 2487597
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3021113534420796 3.0578e-07  
a 2.619190773658305 1.2446e-07 au
q 1.827903504105387 8.7943e-07 au
i 34.38814408682274 2.1632e-05 deg
node 289.662023008384 1.7632e-05 deg
peri 20.92109348578994 3.9062e-05 deg
M 334.2944187477506 1.9796e-05 deg
tp 2458711.053896241040
(2019-Aug-15.55389624)
8.5417e-05 TDB
period 1548.278650314188
4.24
0.00011036
3.021e-07
d
yr
n .2325162850543383 1.6573e-08 deg/d
Q 3.410478043211223 1.6206e-07 au
  Orbit Determination Parameters
   # obs. used (total)      139  
   data-arc span      3014 days (8.25 yr)  
   first obs. used      2011-06-24  
   last obs. used      2019-09-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48681  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 18:47:26  

Additional Information
 Earth MOID = .829053 au 
 Jupiter MOID = 1.8967 au 
 T_jup = 3.103 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2   n/a MPO343970  

487597 (2015 KG121)          Discovered 2012-Dec-07 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2017-03-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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