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JPL Small-Body Database Browser
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27018 (1998 KQ52)
Classification: Main-belt Asteroid          SPK-ID: 2027018
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05391335393381882 3.4629e-08  
a 2.353877864460089 8.6312e-09 au
q 2.226972414036471 8.1736e-08 au
i 6.135694981720309 4.004e-06 deg
node 152.9823851451982 3.5184e-05 deg
peri 357.9457948896913 5.0709e-05 deg
M 12.75050283408619 3.6289e-05 deg
tp 2458553.780398953548
(2019-Mar-11.28039895)
0.00013294 TDB
period 1319.089654390726
3.61
7.2553e-06
1.986e-08
d
yr
n .2729154904685234 1.5011e-09 deg/d
Q 2.480783314883707 9.0965e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1533  
   data-arc span      8710 days (23.85 yr)  
   first obs. used      1995-07-03  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50589  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:26:35  

Additional Information
 Earth MOID = 1.23793 au 
 Jupiter MOID = 2.49913 au 
 T_jup = 3.546 
[ 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 14.8   n/a MPO384979  
diameter diameter 2.350 km 0.260 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.733 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 0.507   0.088 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27018 (1998 KQ52)          Discovered 1998-May-23 by LINEAR at Socorro
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 KQ52 = 1999 TP223 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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