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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1493640667358866 3.5704e-08  
a 2.520772720741999 1.0325e-08 au
q 2.144259855855088 9.1831e-08 au
i 6.361210687440054 3.8369e-06 deg
node 78.14063998121354 3.0344e-05 deg
peri 179.9617011804955 3.241e-05 deg
M 295.4924376150884 1.263e-05 deg
tp 2459658.443178268008
(2022-Mar-19.94317827)
5.1789e-05 TDB
period 1461.837041892934
4.00
8.9816e-06
2.459e-08
d
yr
n .2462654794503194 1.5131e-09 deg/d
Q 2.897285585628909 1.1867e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1097  
   data-arc span      9298 days (25.46 yr)  
   first obs. used      1995-12-16  
   last obs. used      2021-05-31  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51771  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 05:15:35  

Additional Information
 Earth MOID = 1.12919 au 
 Jupiter MOID = 2.15448 au 
 T_jup = 3.432 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457446.5 (2016-Feb-28.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1502246118886777 3.5617e-08  
q 2.141302311195586 9.1665e-08 au
tp 2456735.628198671228
(2014-Mar-19.12819867)
4.876e-05 TDB
node 78.17249856392587 3.0359e-05 deg
peri 180.0130123628308 3.241e-05 deg
i 6.361074080303807 3.8361e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1097  
   data-arc span      9298 days (25.46 yr)  
   first obs. used      1995-12-16  
   last obs. used      2021-05-31  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51771  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 05:15:35  

Additional Information
 Jupiter MOID = 2.15448 au 
 T_jup = 3.432 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.268594059768602E-15 -3.250452269709335E-15 8.900425495774617E-13 1.71202686629272E-14 1.792240253362334E-13 5.440257757692595E-17
q -3.250452269709335E-15 8.402425532385586E-15 -2.255106947855653E-12 -4.355920860405284E-14 -4.453430184225697E-13 1.420817483766799E-17
tp 8.900425495774617E-13 -2.255106947855653E-12 2.377581850200632E-9 1.883403999719658E-11 5.631444106928233E-10 6.484597072658214E-13
node 1.71202686629272E-14 -4.355920860405284E-14 1.883403999719658E-11 9.216863320944978E-10 -9.113905592517284E-10 4.905395681360178E-11
peri 1.792240253362334E-13 -4.453430184225697E-13 5.631444106928233E-10 -9.113905592517284E-10 1.050436580349656E-9 -4.857882251870422E-11
i 5.440257757692595E-17 1.420817483766799E-17 6.484597072658214E-13 4.905395681360178E-11 -4.857882251870422E-11 1.471595829633199E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.34   n/a MPCxxxxx  
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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