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136657 (1995 OX4)
Classification: Main-belt Asteroid          SPK-ID: 2136657
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1134893969932391 8.4179e-08  
a 3.08317276805376 2.3839e-08 au
q 2.733265349781363 2.6116e-07 au
i 1.231439114077049 8.7e-06 deg
node 17.32518619231226 0.00022397 deg
peri 327.7588645824808 0.00022499 deg
M 193.4770564237509 2.2931e-05 deg
tp 2459915.174975543990
(2022-Dec-01.67497554)
0.00012865 TDB
period 1977.403138115086
5.41
2.2933e-05
6.279e-08
d
yr
n .1820569579671861 2.1115e-09 deg/d
Q 3.433080186326157 2.6544e-08 au
  Orbit Determination Parameters
   # obs. used (total)      309  
   data-arc span      10767 days (29.48 yr)  
   first obs. used      1990-10-26  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6719  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 22:40:18  

Additional Information
 Earth MOID = 1.72595 au 
 Jupiter MOID = 1.95727 au 
 T_jup = 3.217 
[ 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 15.8   n/a MPO436673  

136657 (1995 OX4)          Discovered 1995-Jul-22 by Spacewatch at Kitt Peak
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ 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
1943-Sep-23 06:13 00:03 Jupiter 1.94634158353384 1.94634097453224 1.94634219253543 2.7473621223074 2.58411003462821 2430990.758848305 2.56920021211012 88.4576774648758 17.0370706412983 -84.4089841011949 2160569.74074914 T 16 CATAB v2.0f-lin.ifort 2020-May-20 22:40:25 2020-May-20 22:40
2003-Aug-22 14:26 < 00:01 Jupiter 1.97014245409401 1.97014172593692 1.97014318225089 2.71208127938436 2.54863212489316 2452874.101504699 0.493901526077631 57.0234441468854 19.0924142520235 89.7219295400154 1782663.17698459 T 16 CATAB v2.0f-lin.ifort 2020-May-20 22:40:25 2020-May-20 22:40
2013-Jul-10 21:18 < 00:01 Jupiter 1.98384954828708 1.98384913171133 1.98384996486283 3.33503644015484 3.20445782619352 2456484.387715118 0.282798645651709 76.2719567374421 14.9196665650361 -86.2965792823179 3594364.50565995 T 16 CATAB v2.0f-lin.ifort 2020-May-20 22:40:25 2020-May-20 22:40
2073-Jun-09 16:20 00:02 Jupiter 1.9626417711618 1.96264135517579 1.96264218714771 3.04178697057776 2.89643274885528 2478368.180789643 2.06543535379282 76.5650441930071 12.0752908040438 -88.0795661770301 2726271.69956973 T 16 CATAB v2.0f-lin.ifort 2020-May-20 22:40:25 2020-May-20 22:40
2133-May-11 07:30 00:04 Jupiter 1.95727367720782 1.95727319075197 1.95727416366357 2.8431556359126 2.68663755814265 2500252.812650487 4.17306904601214 100.200768887719 13.6083689103353 -86.888889076026 2278248.33543797 T 16 CATAB v2.0f-lin.ifort 2020-May-20 22:40:25 2020-May-20 22:40
2193-Apr-11 02:12 00:06 Jupiter 1.96870558841235 1.96870490723182 1.9687062695939 2.74098187897356 2.57924309287142 2522137.591602222 6.26588976460714 208.471175364929 17.3118643658658 -84.6492267565736 1995265.48495962 T 16 CATAB v2.0f-lin.ifort 2020-May-20 22:40:25 2020-May-20 22:40
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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