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22422 Kenmount Hill (1995 YO5)
Classification: Main-belt Asteroid          SPK-ID: 2022422
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.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1497542589453301 4.6027e-08  
a 2.520304197234541 1.1723e-08 au
q 2.142877909860877 1.1703e-07 au
i 6.362427027844087 4.8078e-06 deg
node 78.14800563399652 3.7152e-05 deg
peri 179.7808307048914 3.9783e-05 deg
M 99.68789306317504 1.4671e-05 deg
tp 2458195.814366282125
(2018-Mar-18.31436628)
5.9487e-05 TDB
period 1461.4295042439
4.00
1.0197e-05
2.792e-08
d
yr
n .2463341536177985 1.7187e-09 deg/d
Q 2.897730484608205 1.3479e-08 au
  Orbit Determination Parameters
   # obs. used (total)      849  
   data-arc span      8304 days (22.74 yr)  
   first obs. used      1995-12-16  
   last obs. used      2018-09-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54386  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 18:10:05  

Additional Information
 Earth MOID = 1.12743 au 
 Jupiter MOID = 2.15569 au 
 T_jup = 3.432 
[ 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 15.2   n/a MPO449118  
diameter diameter 4.120 km 0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.090   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22422 Kenmount Hill           Discovered 1995 Dec. 16 by Spacewatch at Kitt Peak.
Kenmount Hill (47 \circ 31 ' N, 52 \circ 47 ' W) is the location near St. John's, Newfoundland, where John Winthrop of Harvard College observed the transit of Venus in 1761. Name suggested by R. and P. Jedicke.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2018-03-31Last Updated: 2018-04-05

Alternate Designations
 1995 YO5 = 1999 XU262 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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