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120309 (2004 KX15)
Classification: Main-belt Asteroid          SPK-ID: 2120309
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2472883244874466 7.4354e-08  
a 2.656315053638633 1.6477e-08 au
q 1.999439354713553 1.9133e-07 au
i 12.24070591657124 5.7097e-06 deg
node 200.5684949068671 1.8834e-05 deg
peri 167.2719465772886 2.0738e-05 deg
M 207.7442357683415 1.3844e-05 deg
tp 2459869.288882133901
(2022-Oct-16.78888213)
6.487e-05 TDB
period 1581.31285723856
4.33
1.4713e-05
4.028e-08
d
yr
n .2276589343797953 2.1182e-09 deg/d
Q 3.313190752563712 2.0552e-08 au
  Orbit Determination Parameters
   # obs. used (total)      761  
   data-arc span      8632 days (23.63 yr)  
   first obs. used      1996-10-03  
   last obs. used      2020-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47045  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:58:06  

Additional Information
 Earth MOID = .999591 au 
 Jupiter MOID = 2.16608 au 
 T_jup = 3.312 
[ 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 15.05   n/a E2021B55  
rotation period rot_per 23.814 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

120309 (2004 KX15)          Discovered 2004-May-23 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 2004 KX15 = 1996 TM60 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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