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187802 (1999 JU2)
Classification: Main-belt Asteroid          SPK-ID: 2187802
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2231465920418709 6.1395e-08  
a 2.694806169381623 1.6006e-08 au
q 2.093469356470705 1.649e-07 au
i 13.80676765515049 4.0316e-06 deg
node 115.9607747506725 2.9171e-05 deg
peri 118.3087613312546 3.1933e-05 deg
M 357.6883852736028 1.1874e-05 deg
tp 2459406.875348136544
(2021-Jul-11.37534814)
5.3264e-05 TDB
period 1615.807896749941
4.42
1.4396e-05
3.941e-08
d
yr
n .2227987626029735 1.985e-09 deg/d
Q 3.296142982292541 1.9578e-08 au
  Orbit Determination Parameters
   # obs. used (total)      514  
   data-arc span      8088 days (22.14 yr)  
   first obs. used      1999-05-08  
   last obs. used      2021-06-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49488  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 02:47:18  

Additional Information
 Earth MOID = 1.12048 au 
 Jupiter MOID = 1.889 au 
 T_jup = 3.293 
[ 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 16.19   n/a MPCxxxxx  

187802 (1999 JU2)          Discovered 1999-May-08 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20080618/Numbers.arcLast Updated: 2008-06-20

[ 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
1917-Aug-12 17:55 00:03 Jupiter 1.88313030171685 1.88312963534427 1.8831309680922 1.8243262262857 1.55838899764836 2421453.246786322 2.82725372656377 237.530236336697 204.037800502232 -41.4168374561909 518286.171354366 T 15 CATAB v2.0g-lin.ifort 2021-Jul-09 02:47:20 2021-Jul-09 02:47
1952-Oct-29 00:03 00:02 Jupiter 1.88680064961325 1.8867999856411 1.88680131360008 1.26009153781233 0.830656801784121 2434314.502272021 1.84451610560452 1141.98832698489 371.776378549593 -22.3382730376923 681688.632741804 T 15 CATAB v2.0g-lin.ifort 2021-Jul-09 02:47:20 2021-Jul-09 02:47
1988-Jan-06 03:32 < 00:01 Jupiter 1.93560200606975 1.93560135620865 1.93560265593691 1.02731247227965 0.424461706375172 2447166.647228406 0.853693838605148 3497.32033976466 1328.72252870231 0.450626699100223 907380.533304788 T 15 CATAB v2.0g-lin.ifort 2021-Jul-09 02:47:20 2021-Jul-09 02:47
2108-Mar-10 05:16 00:02 Jupiter 1.96116128884169 1.96116004111691 1.96116253658286 3.12772610119571 2.98644833774406 2491059.719566818 2.28550570927068 321.525260494185 22.1274234756122 -83.1185595837637 2032477.81705613 T 15 CATAB v2.0g-lin.ifort 2021-Jul-09 02:47:20 2021-Jul-09 02:47
2143-Jun-01 19:45 00:03 Jupiter 1.89502458832996 1.89502361561261 1.89502556106519 2.65126501830302 2.47694623269505 2503926.323059401 3.12731192498065 355.995104901143 36.3962099062301 89.6450473031965 1406325.24192646 T 15 CATAB v2.0g-lin.ifort 2021-Jul-09 02:47:20 2021-Jul-09 02:47
2178-Aug-23 18:12 00:04 Jupiter 1.86749548176607 1.86749483454905 1.8674961289851 2.14197139860569 1.91857241786545 2516793.258606586 4.13951131030717 257.230612057938 138.940339593163 68.2491990913961 587152.310645474 T 15 CATAB v2.0g-lin.ifort 2021-Jul-09 02:47:20 2021-Jul-09 02:47

Alternate Designations
 1999 JU2 = 2003 FP 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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