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(2015 KU121)
Classification: Apollo [NEO]          SPK-ID: 3720359
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4952846367639329 8.2742e-07  
a 1.07809229541026 3.1302e-07 au
q .5441297444799946 7.3977e-07 au
i 13.34229615732185 2.8259e-05 deg
node 75.17558442513086 4.7786e-06 deg
peri 294.3820694126356 3.9673e-05 deg
M 106.2861464566319 0.00064838 deg
tp 2458879.786316852422
(2020-Jan-31.28631685)
0.00068383 TDB
period 408.8672642850943
1.12
0.00017807
4.875e-07
d
yr
n .880481347973556 3.8347e-07 deg/d
Q 1.612054846340525 4.6805e-07 au
  Orbit Determination Parameters
   # obs. used (total)      233  
   data-arc span      363 days  
   first obs. used      2015-05-14  
   last obs. used      2016-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .27724  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-14 06:13:06  

Additional Information
 Earth MOID = .00303275 au 
 Jupiter MOID = 3.89085 au 
 T_jup = 5.596 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 22.9   n/a E2015M05  
rotation period rot_per 6.807 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2015) Minor Planet Bull. 42, 256-266.]

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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