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49662 (1999 KC3)
Classification: Outer Main-belt Asteroid          SPK-ID: 2049662
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 .1038407697358862 4.5035e-08  
a 3.214848198600583 2.442e-08 au
q 2.881015887073872 1.5167e-07 au
i 16.80482468570875 6.7606e-06 deg
node 57.9769609481849 1.7265e-05 deg
peri 82.89581051104662 4.1147e-05 deg
M 244.4839380900008 3.559e-05 deg
tp 2459276.083458173038
(2021-Mar-02.58345817)
0.00020965 TDB
period 2105.421886107781
5.76
2.3989e-05
6.568e-08
d
yr
n .1709871082728789 1.9482e-09 deg/d
Q 3.548680510127296 2.6956e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1332  
   data-arc span      8425 days (23.07 yr)  
   first obs. used      1996-11-12  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5062  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:22:55  

Additional Information
 Earth MOID = 1.9566 au 
 Jupiter MOID = 1.72092 au 
 T_jup = 3.115 
[ 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 12.7   n/a MPO502487  
diameter diameter 14.300 km 0.140 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 8.032 h n/a LCDB (Rev. 2019-January); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.086   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49662 (1999 KC3)          Discovered 1999-May-17 by Spacewatch at Kitt Peak
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

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