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85993 (1999 JU28)
Classification: Main-belt Asteroid          SPK-ID: 2085993
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 .1630449149565012 3.5224e-08  
a 2.741620855201423 1.6687e-08 au
q 2.294613516022137 9.6323e-08 au
i 2.4910269984554 4.2529e-06 deg
node 313.6871525148696 9.7957e-05 deg
peri 325.3304816929394 9.889e-05 deg
M 190.7333705855611 1.4901e-05 deg
tp 2459780.111730122481
(2022-Jul-19.61173012)
7.1021e-05 TDB
period 1658.095419132581
4.54
1.5138e-05
4.145e-08
d
yr
n .217116575949731 1.9823e-09 deg/d
Q 3.188628194380709 1.9408e-08 au
  Orbit Determination Parameters
   # obs. used (total)      641  
   data-arc span      10603 days (29.03 yr)  
   first obs. used      1991-10-10  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55214  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:59:03  

Additional Information
 Earth MOID = 1.27871 au 
 Jupiter MOID = 1.94981 au 
 T_jup = 3.329 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457020.5 (2014-Dec-29.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1648968529986765 3.5143e-08  
q 2.287506702431101 9.6185e-08 au
tp 2456465.603385785741
(2013-Jun-22.10338579)
6.5069e-05 TDB
node 313.8217216962518 9.7738e-05 deg
peri 325.2573287229538 9.8653e-05 deg
i 2.495679614153844 4.2579e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      641  
   data-arc span      10603 days (29.03 yr)  
   first obs. used      1991-10-10  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55214  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:59:03  

Additional Information
 Jupiter MOID = 1.94981 au 
 T_jup = 3.329 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.235064431891154E-15 -3.345256204670863E-15 1.254889997724075E-13 2.206087953005834E-15 1.88088911869435E-14 -2.44243640302452E-17
q -3.345256204670863E-15 9.25152900637312E-15 -3.961070115688486E-13 -7.188714421658542E-15 -4.796455699803489E-14 2.274834143036112E-16
tp 1.254889997724075E-13 -3.961070115688486E-13 4.233963870070624E-9 2.708659279538672E-12 8.922402568049416E-10 -6.365702707527702E-14
node 2.206087953005834E-15 -7.188714421658542E-15 2.708659279538672E-12 9.552706741718997E-9 -9.542829013841364E-9 4.260184987364683E-11
peri 1.88088911869435E-14 -4.796455699803489E-14 8.922402568049416E-10 -9.542829013841364E-9 9.732438121096669E-9 -4.257041122824755E-11
i -2.44243640302452E-17 2.274834143036112E-16 -6.365702707527702E-14 4.260184987364683E-11 -4.257041122824755E-11 1.812941261805486E-11

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 MPO453291  

85993 (1999 JU28)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ 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
1906-Sep-11 21:12 00:03 Jupiter 1.94632510450737 1.94632454283361 1.94632566618113 2.16292740794284 1.95137737067387 2417465.382996297 2.83887590953478 65.2594272313265 16.1800670029453 86.5857741994257 2856809.8451591 T 18 CATAB v2.0f-lin.ifort 2020-Nov-12 20:59:05 2020-Nov-12 20:59
1965-May-14 06:48 00:01 Jupiter 1.94553700618609 1.94553666458013 1.94553734779193 2.24982888772263 2.04719225297107 2438894.783595429 1.31920423256554 51.0720288807228 9.64664757489863 -88.8992262568819 2881338.11379327 T 18 CATAB v2.0f-lin.ifort 2020-Nov-12 20:59:05 2020-Nov-12 20:59
2060-Nov-26 05:39 00:01 Jupiter 1.94009592517799 1.94009561946497 1.9400962308909 2.1604902493695 1.94795847085763 2473789.735136535 1.2140926928391 48.7539207323976 12.4593425834327 -84.3716031677006 3022166.51431444 T 18 CATAB v2.0f-lin.ifort 2020-Nov-12 20:59:05 2020-Nov-12 20:59
2119-Jul-31 14:10 00:03 Jupiter 1.95275834472143 1.95275773850799 1.95275895093531 2.30123833653791 2.10432506261342 2495220.090334727 2.77228985875941 79.885186906058 8.47071755220927 -88.9929006675348 2433545.32329371 T 18 CATAB v2.0f-lin.ifort 2020-Nov-12 20:59:05 2020-Nov-12 20:59

Alternate Designations
 1999 JU28 = 2000 SZ101 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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