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136499 (2005 JX20)
Classification: Main-belt Asteroid          SPK-ID: 2136499
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09128834026621084 4.4738e-08  
a 3.135005414006675 3.1053e-08 au
q 2.848815973036421 1.3689e-07 au
i 12.98118208694937 4.9075e-06 deg
node 145.6098458884609 2.158e-05 deg
peri 83.39937037474537 3.5765e-05 deg
M 259.1312862635982 2.8368e-05 deg
tp 2459568.580460465812
(2021-Dec-20.08046047)
0.00016252 TDB
period 2027.476689175709
5.55
3.0124e-05
8.248e-08
d
yr
n .1775606111389432 2.6382e-09 deg/d
Q 3.42119485497693 3.3888e-08 au
  Orbit Determination Parameters
   # obs. used (total)      360  
   data-arc span      8958 days (24.53 yr)  
   first obs. used      1995-07-22  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56457  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:40:47  

Additional Information
 Earth MOID = 1.87799 au 
 Jupiter MOID = 1.70007 au 
 T_jup = 3.166 
[ 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 15.4   n/a MPO469435  
diameter diameter 4.047 km 0.224 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.057   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

136499 (2005 JX20)          Discovered 2005-May-04 by CSS at Catalina
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1942-Feb-17 13:27 00:04 Jupiter 1.92645059087801 1.92644938055711 1.92645180119771 2.68553805018307 2.51649634839395 2430408.060322929 3.65304401127632 78.0042292186626 26.4169196390174 87.7591837160308 631635.66266937 T 17 CATAB v2.0f-lin.ifort 2020-Feb-24 07:40:53 2020-Feb-24 07:40
1952-Mar-26 06:04 00:03 Jupiter 1.72852722013795 1.72852644515907 1.72852799512145 2.77701077110662 2.59455925092514 2434097.752920824 3.07214171864937 197.153417727165 28.2707386754187 71.4393951787819 1575492.7947792 T 17 CATAB v2.0f-lin.ifort 2020-Feb-24 07:40:53 2020-Feb-24 07:40
1962-Jul-31 04:24 00:02 Jupiter 1.85474606957193 1.85474495659041 1.85474718255904 4.4222755609232 4.31777307006764 2437876.683604873 2.19371165278842 192.987178250841 24.8086119862403 -76.3590026909533 3076979.23114337 T 17 CATAB v2.0f-lin.ifort 2020-Feb-24 07:40:53 2020-Feb-24 07:40
2025-Jul-05 06:58 < 00:01 Jupiter 1.95962805586616 1.95962747042194 1.95962864131027 3.2288167336512 3.09205186909078 2460861.790500604 0.602737201939712 69.4887317196072 25.1820760676211 88.3418851251888 2331504.05169069 T 17 CATAB v2.0f-lin.ifort 2020-Feb-24 07:40:53 2020-Feb-24 07:40
2035-Aug-16 03:18 00:01 Jupiter 1.76770287261625 1.76770228519753 1.76770346003508 2.27547135779585 2.05412720582157 2464555.637460366 1.18961844689662 79.5382551063389 35.4348518189034 63.7605176793667 1460698.37936273 T 17 CATAB v2.0f-lin.ifort 2020-Feb-24 07:40:53 2020-Feb-24 07:40
2045-Nov-27 01:08 00:01 Jupiter 1.8116933191468 1.8116925621725 1.81169407612295 4.2137172488237 4.10126216606971 2468311.546923950 1.44935081530729 136.578187077897 23.9801795223447 -79.7848878231494 2884053.20291601 T 17 CATAB v2.0f-lin.ifort 2020-Feb-24 07:40:53 2020-Feb-24 07:40
2108-Nov-12 07:03 00:04 Jupiter 1.98239011888753 1.98238887939584 1.98239135838745 3.68789099384768 3.57015311063336 2491306.794095810 4.29495466541354 248.900264018732 26.0055006683481 -82.3202736863599 1862012.26307318 T 17 CATAB v2.0f-lin.ifort 2020-Feb-24 07:40:53 2020-Feb-24 07:40
2119-Jan-12 10:56 00:06 Jupiter 1.79852306394355 1.79852209109952 1.79852403680261 1.89033027661707 1.62217125200436 2495019.955304001 5.7362604767785 363.649205959325 20.8943813175453 64.7159666852104 2101115.6403889 T 17 CATAB v2.0f-lin.ifort 2020-Feb-24 07:40:53 2020-Feb-24 07:40
2129-Mar-31 11:55 00:05 Jupiter 1.77358252817074 1.77358119213175 1.77358386424814 3.90016264793748 3.77572699625392 2498750.996476088 5.18743630999044 459.468821310487 23.1348105230826 -84.5772704657141 2577758.44576117 T 17 CATAB v2.0f-lin.ifort 2020-Feb-24 07:40:53 2020-Feb-24 07:40

Alternate Designations
 2005 JX20 = 2004 CR117 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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