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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1629990804304462 3.4521e-08  
a 2.741559842395699 1.6282e-08 au
q 2.294688109140161 9.4983e-08 au
i 2.491060069462042 4.2521e-06 deg
node 313.686954472152 9.4505e-05 deg
peri 325.3757439138027 9.5451e-05 deg
M 234.0947705809903 1.5014e-05 deg
tp 2459780.377542724691
(2022-Jul-19.87754272)
7.1022e-05 TDB
period 1658.04006985408
4.54
1.477e-05
4.044e-08
d
yr
n .2171238238118592 1.9342e-09 deg/d
Q 3.188431575651236 1.8935e-08 au
  Orbit Determination Parameters
   # obs. used (total)      651  
   data-arc span      10690 days (29.27 yr)  
   first obs. used      1991-10-10  
   last obs. used      2021-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55598  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 07:42:22  

Additional Information
 Earth MOID = 1.2769 au 
 Jupiter MOID = 1.9493 au 
 T_jup = 3.329 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457145.5 (2015-May-03.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .164870806331442 3.4445e-08  
q 2.287504451631841 9.4838e-08 au
tp 2456465.470240966752
(2013-Jun-21.97024097)
6.4573e-05 TDB
node 313.8217976978283 9.4299e-05 deg
peri 325.2313975810126 9.5227e-05 deg
i 2.495684884796737 4.2568e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      651  
   data-arc span      10690 days (29.27 yr)  
   first obs. used      1991-10-10  
   last obs. used      2021-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55598  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 07:42:22  

Additional Information
 Jupiter MOID = 1.9493 au 
 T_jup = 3.329 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.186481738506925E-15 -3.233602676871837E-15 1.795381844616553E-13 2.494729232618605E-15 3.249793587946152E-14 -4.520982954262853E-17
q -3.233602676871837E-15 8.9941682595311E-15 -5.164837089234722E-13 -7.826346760201497E-15 -7.84819996419025E-14 2.795027695778134E-16
tp 1.795381844616553E-13 -5.164837089234722E-13 4.169655764359863E-9 4.825475915467642E-12 8.738100698180655E-10 -3.921874166096553E-14
node 2.494729232618605E-15 -7.826346760201497E-15 4.825475915467642E-12 8.892282144313096E-9 -8.88255371906994E-9 4.262347756625134E-11
peri 3.249793587946152E-14 -7.84819996419025E-14 8.738100698180655E-10 -8.88255371906994E-9 9.06817805699097E-9 -4.258535635527366E-11
i -4.520982954262853E-17 2.795027695778134E-16 -3.921874166096553E-14 4.262347756625134E-11 -4.258535635527366E-11 1.812073840092701E-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 21:11 00:03 Jupiter 1.94632504782547 1.94632451140789 1.94632558424317 2.1629271247903 1.95137705032976 2417465.382833558 2.77128120902337 63.5678774334712 15.7734103507922 86.2957993851367 2929855.022766 T 19 CATAB v2.0f-lin.ifort 2021-Feb-24 07:42:23 2021-Feb-24 07:42
1965-May-14 06:48 00:01 Jupiter 1.94553698868024 1.94553665153553 1.94553732582495 2.24982880086898 2.04719215560685 2438894.783511129 1.29061509611354 50.4298659430468 9.40133250670803 -88.8828295006618 2933224.00148418 T 19 CATAB v2.0f-lin.ifort 2021-Feb-24 07:42:23 2021-Feb-24 07:42
2060-Nov-26 05:39 00:01 Jupiter 1.94009591092447 1.94009560940393 1.94009621244491 2.16049006209065 1.94795826149913 2473789.735211775 1.17569164060423 47.7906440580355 12.1372253387473 -84.742114751333 3089265.37620063 T 19 CATAB v2.0f-lin.ifort 2021-Feb-24 07:42:23 2021-Feb-24 07:42
2119-Jul-31 14:10 00:03 Jupiter 1.95275827498626 1.95275770045199 1.95275884952097 2.30123788178966 2.10432455795086 2495220.090504605 2.69384840432842 78.3640295105319 8.19398370249306 -88.9371584453782 2536063.66228267 T 19 CATAB v2.0f-lin.ifort 2021-Feb-24 07:42:23 2021-Feb-24 07:42

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