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JPL Small-Body Database Browser
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52750 (1998 KK17)
Classification: Apollo [NEO]          SPK-ID: 2052750
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 183 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5252418335391023 3.918e-08  
a 1.42699572301629 3.2182e-09 au
q .6774778730067571 5.5524e-08 au
i 11.16879301462233 4.981e-06 deg
node 141.3483029867846 1.8453e-05 deg
peri 334.0950081382931 1.8901e-05 deg
M 21.81488548398857 1.2377e-05 deg
tp 2458962.770341805198
(2020-Apr-23.27034181)
2.1291e-05 TDB
period 622.6334289078934
1.70
2.1063e-06
5.767e-09
d
yr
n .5781893218156378 1.9559e-09 deg/d
Q 2.176513573025824 4.9086e-09 au
  Orbit Determination Parameters
   # obs. used (total)      960  
   data-arc span      9916 days (27.15 yr)  
   first obs. used      1992-08-29  
   last obs. used      2019-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44349  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Oct-23 05:56:25  

Additional Information
 Earth MOID = .162271 au 
 Jupiter MOID = 2.95537 au 
 T_jup = 4.521 
[ 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 16.4   n/a MPO417184  
diameter diameter 1.059 km 0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  
rotation period rot_per 26.43 h n/a LCDB (Rev. 2019-August); 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:
[Warner, B.D. (2017) Minor Planet Bull. 44, 22-36.]
geometric albedo albedo 0.471   0.068 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

52750 (1998 KK17)          Discovered 1998-May-29 by LINEAR at Socorro
Reference: 20030216/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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