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136718 (1995 UP18)
Classification: Main-belt Asteroid          SPK-ID: 2136718
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04635394282039239 4.4858e-08  
a 3.066810039651483 2.5511e-08 au
q 2.924651302432473 1.3881e-07 au
i 9.026324891194507 5.9834e-06 deg
node 4.576686134393418 3.0077e-05 deg
peri 68.69896796888327 7.0386e-05 deg
M 154.4975935894495 6.3687e-05 deg
tp 2458158.624327593338
(2018-Feb-09.12432759)
0.00034461 TDB
period 1961.682606343811
5.37
2.4477e-05
6.701e-08
d
yr
n .1835159259891532 2.2898e-09 deg/d
Q 3.208968776870493 2.6693e-08 au
  Orbit Determination Parameters
   # obs. used (total)      455  
   data-arc span      9015 days (24.68 yr)  
   first obs. used      1995-08-23  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56046  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 22:40:39  

Additional Information
 Earth MOID = 1.95328 au 
 Jupiter MOID = 1.92837 au 
 T_jup = 3.211 
[ 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 15.1   n/a MPO385594  

136718 (1995 UP18)          Discovered 1995-Oct-18 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
1904-Apr-18 17:26 00:04 Jupiter 1.956386230936 1.95638530268965 1.95638715918558 4.41359888507542 4.31438870613014 2416589.226527269 4.04828181738762 181.193400206307 29.9598191626062 79.8583573949828 2890329.4959857 T 18 CATAB v2.0f-lin.ifort 2020-May-20 22:40:56 2020-May-20 22:41
1963-Apr-14 02:13 00:02 Jupiter 1.93206587253668 1.93206529061161 1.93206645446208 4.32659175852754 4.22404915189011 2438133.592270532 1.90548089496308 117.418300477582 24.6412127317684 85.6958469455223 2828321.28690351 T 18 CATAB v2.0f-lin.ifort 2020-May-20 22:40:56 2020-May-20 22:41
2022-Apr-08 13:20 < 00:01 Jupiter 1.92193764983381 1.9219371380174 1.92193816165022 4.22248066074625 4.11678483017343 2459678.055576904 0.347380083751731 73.6742799864148 22.7730925583137 88.7748164797152 2851492.01394888 T 18 CATAB v2.0f-lin.ifort 2020-May-20 22:40:56 2020-May-20 22:41
2081-Apr-02 23:23 00:02 Jupiter 1.92644021193846 1.92643962627403 1.9264407976031 4.10348114524885 3.99489574635496 2481222.474507670 2.45661291231873 102.812387858215 26.2795679222349 -84.3433041089148 2878611.22632139 T 18 CATAB v2.0f-lin.ifort 2020-May-20 22:40:56 2020-May-20 22:41
2140-Mar-29 02:48 00:05 Jupiter 1.94487863041857 1.94487762715964 1.94487963367784 3.97506970116585 3.86395528790315 2502766.616666597 4.67212409683644 90.4854996808632 44.4348128142979 -68.4276439330172 2843542.08682181 T 18 CATAB v2.0f-lin.ifort 2020-May-20 22:40:56 2020-May-20 22:41
2189-Jun-08 16:20 00:06 Jupiter 1.99399380021465 1.99399213800723 1.99399546242582 4.33068467340337 4.23146025261268 2520735.180761366 6.46529855399152 178.019186322778 39.7104570784792 65.4917908744421 2866130.0024075 T 18 CATAB v2.0f-lin.ifort 2020-May-20 22:40:56 2020-May-20 22:41
2199-Mar-23 20:08 00:07 Jupiter 1.97545689812596 1.9754551569365 1.97545863931576 3.84606674352181 3.73291889293087 2524310.339093672 6.93508562441588 96.8739226392735 58.2916800140915 17.5027134625942 2831520.91346612 T 18 CATAB v2.0f-lin.ifort 2020-May-20 22:40:56 2020-May-20 22:41

Alternate Designations
 1995 UP18 = 1998 FJ139 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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