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487592 (2015 KW4)
Classification: Inner Main-belt Asteroid          SPK-ID: 2487592
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0351329167151996 6.2184e-08  
a 1.891619726511912 2.038e-08 au
q 1.82516160820354 1.2721e-07 au
i 19.78313972134192 1.0705e-05 deg
node 226.7455472862343 1.9155e-05 deg
peri 51.53118077275872 0.00016606 deg
M 277.340062362731 0.00017229 deg
tp 2459218.693470930771
(2021-Jan-04.19347093)
0.00045634 TDB
period 950.2747253424228
2.60
1.5357e-05
4.205e-08
d
yr
n .3788378143702363 6.1222e-09 deg/d
Q 1.958077844820284 2.1096e-08 au
  Orbit Determination Parameters
   # obs. used (total)      71  
   data-arc span      7747 days (21.21 yr)  
   first obs. used      1995-11-16  
   last obs. used      2017-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58221  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 00:15:35  

Additional Information
 Earth MOID = .833178 au 
 Jupiter MOID = 3.05942 au 
 T_jup = 3.885 
[ 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 18.4   n/a MPO399079  

487592 (2015 KW4)          Discovered 2008-Oct-30 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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