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23739 Kevin (1998 KS1)
Classification: Main-belt Asteroid          SPK-ID: 2023739
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1710807186003022 3.3846e-08  
a 2.227419875806337 6.808e-09 au
q 1.846351282828793 7.6575e-08 au
i 4.713285952426991 3.1201e-06 deg
node 233.4423175845611 4.5467e-05 deg
peri 84.29691711994911 4.6395e-05 deg
M 214.6692016700551 9.5082e-06 deg
tp 2459690.681279731835
(2022-Apr-21.18127973)
3.3029e-05 TDB
period 1214.231688886971
3.32
5.5668e-06
1.524e-08
d
yr
n .2964837792447955 1.3593e-09 deg/d
Q 2.608488468783881 7.9727e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1421  
   data-arc span      10391 days (28.45 yr)  
   first obs. used      1992-10-02  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49465  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:29:28  

Additional Information
 Earth MOID = .838475 au 
 Jupiter MOID = 2.68335 au 
 T_jup = 3.621 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.81   n/a E2021B10  
diameter diameter 2.642 km 0.521 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.253   0.107 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

23739 Kevin           Discovered 1998 May 18 by the Lowell Observatory Near-Earth Object Search at the Anderson Mesa Station.
Kevin Schindler (b. 1964) is outreach manager at Lowell Observatory. He oversees all aspects of Lowell's education and outreach programs, including personnel, programming, exhibits and gift shop.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20110615/MPCPages.arcLast Updated: 2013-03-28

Alternate Designations
 1998 KS1 = 1992 TS1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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