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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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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1495482233013054 4.2722e-08  
a 2.520985194127477 1.1022e-08 au
q 2.143976337376816 1.0746e-07 au
i 6.361945459782796 4.2263e-06 deg
node 78.14929934694027 3.0449e-05 deg
peri 179.8802076966733 3.251e-05 deg
M 198.0825060694793 1.2853e-05 deg
tp 2459658.074770594257
(2022-Mar-19.57477059)
5.3728e-05 TDB
period 1462.021870938249
4.00
9.588e-06
2.625e-08
d
yr
n .2462343465279155 1.6148e-09 deg/d
Q 2.897994050878137 1.267e-08 au
  Orbit Determination Parameters
   # obs. used (total)      955  
   data-arc span      9074 days (24.84 yr)  
   first obs. used      1995-12-16  
   last obs. used      2020-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52827  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:51:21  

Additional Information
 Earth MOID = 1.12884 au 
 Jupiter MOID = 2.15587 au 
 T_jup = 3.432 
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Orbital Elements at Epoch 2457167.5 (2015-May-25.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1500524907853407 4.2627e-08  
q 2.142143316995318 1.0727e-07 au
tp 2456735.674939079816
(2014-Mar-19.17493908)
4.9392e-05 TDB
node 78.17547501018009 3.0475e-05 deg
peri 180.059479670468 3.2525e-05 deg
i 6.360500927458241 4.2245e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      955  
   data-arc span      9074 days (24.84 yr)  
   first obs. used      1995-12-16  
   last obs. used      2020-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52827  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:51:21  

Additional Information
 Jupiter MOID = 2.15587 au 
 T_jup = 3.432 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.817091165870821E-15 -4.555273627049716E-15 1.063448560716224E-12 2.297815661059777E-14 1.884144728042749E-13 -1.139391164207784E-15
q -4.555273627049716E-15 1.150695573786601E-14 -2.668619495588186E-12 -5.762776327996952E-14 -4.673713676439632E-13 2.957641702869965E-15
tp 1.063448560716224E-12 -2.668619495588186E-12 2.43960707058011E-9 2.080335134964917E-11 5.676920763365939E-10 -8.139616322695119E-13
node 2.297815661059777E-14 -5.762776327996952E-14 2.080335134964917E-11 9.287375599148457E-10 -9.18210442805669E-10 4.778638936292838E-11
peri 1.884144728042749E-13 -4.673713676439632E-13 5.676920763365939E-10 -9.18210442805669E-10 1.057857382264236E-9 -4.766639937636696E-11
i -1.139391164207784E-15 2.957641702869965E-15 -8.139616322695119E-13 4.778638936292838E-11 -4.766639937636696E-11 1.784666484437369E-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 15.2   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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