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JPL Small-Body Database Browser
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312847 (2011 UA78)
Classification: Main-belt Asteroid          SPK-ID: 2312847
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1173134987245262 6.404e-08  
a 3.108815513374003 5.8806e-08 au
q 2.744109488611015 2.0176e-07 au
i 13.38528508973249 7.4555e-06 deg
node 239.6951603294581 2.9326e-05 deg
peri 355.1028138670663 4.1482e-05 deg
M 299.1062312431124 3.1925e-05 deg
tp 2458939.157895653569
(2020-Mar-30.65789565)
0.00018124 TDB
period 2002.123450792243
5.48
5.6807e-05
1.555e-07
d
yr
n .1798090921204421 5.1018e-09 deg/d
Q 3.473521538136991 6.5704e-08 au
  Orbit Determination Parameters
   # obs. used (total)      182  
   data-arc span      5781 days (15.83 yr)  
   first obs. used      2003-03-29  
   last obs. used      2019-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53714  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:23:32  

Additional Information
 Earth MOID = 1.73272 au 
 Jupiter MOID = 1.54681 au 
 T_jup = 3.167 
[ 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 15.4   n/a MPO434005  

312847 (2011 UA78)          Discovered 2003-Mar-29 by LONEOS at Anderson Mesa
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ 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
1930-Feb-11 12:38 00:07 Jupiter 1.71123219799703 1.71122707447119 1.71123732158347 3.98804363025624 3.86193419596521 2426019.026439412 7.05319682961988 596.915519473669 76.652330365233 65.9226687529815 2394270.34577799 T 11 CATAB v2.0e-lin.ifort 2019-Jul-14 14:23:34 2019-Jul-14 14:23
1940-Apr-08 19:33 00:07 Jupiter 1.69426134132458 1.69425741331881 1.69426526939045 3.22098708240901 3.06184347363306 2429728.314805172 6.95338197666918 569.715954570203 55.0772441255898 -66.5263114029299 1382210.98588334 T 11 CATAB v2.0e-lin.ifort 2019-Jul-14 14:23:34 2019-Jul-14 14:23
2001-Jun-07 08:16 00:01 Jupiter 1.76186937925584 1.76186799699043 1.76187076152164 3.95563787931796 3.83217519241715 2452067.844197334 1.32406623423396 176.568681598004 66.081329664665 84.650755120965 2284869.7223737 T 11 CATAB v2.0e-lin.ifort 2019-Jul-14 14:23:34 2019-Jul-14 14:23
2011-Aug-10 06:36 < 00:01 Jupiter 1.64703797077227 1.647037148515 1.64703879302954 3.42533652124644 3.27175639698597 2455783.774670787 0.526522776146985 106.199880812738 40.4007466006411 -84.5483603726435 1561123.96606412 T 11 CATAB v2.0e-lin.ifort 2019-Jul-14 14:23:34 2019-Jul-14 14:23
2072-Sep-29 01:24 00:05 Jupiter 1.81560735098566 1.81560374552219 1.81561095645666 3.90151838525489 3.78005288193553 2478114.558144708 4.78205406654617 294.888412421163 112.278730814573 58.4271938198003 2222488.73542034 T 11 CATAB v2.0e-lin.ifort 2019-Jul-14 14:23:34 2019-Jul-14 14:23
2082-Dec-02 21:11 00:06 Jupiter 1.61246433920688 1.61246139133715 1.6124672871689 3.5766972220219 3.42668487341071 2481831.382331095 5.78246086407711 661.249452536051 37.7598426979842 -76.3070141420974 1686835.79431282 T 11 CATAB v2.0e-lin.ifort 2019-Jul-14 14:23:34 2019-Jul-14 14:23
2144-Jan-18 07:09 00:11 Jupiter 1.86566230968022 1.86565377539936 1.86567084396861 3.82835329834566 3.7078668123487 2504156.797984754 10.9066990786392 471.127432745052 170.996374662471 24.9665053754105 1308885.72898724 T 11 CATAB v2.0e-lin.ifort 2019-Jul-14 14:23:34 2019-Jul-14 14:23
2154-Mar-21 10:23 00:11 Jupiter 1.58581436793055 1.58580956193949 1.58581917441019 3.68636319485493 3.53850594746319 2507871.932888711 11.4425044830705 1453.1444370568 33.6950607379651 -79.7914262756193 1779548.03578432 T 11 CATAB v2.0e-lin.ifort 2019-Jul-14 14:23:34 2019-Jul-14 14:23

Alternate Designations
 2011 UA78 = 2006 WF51 = 2009 JJ14 = 2010 LX11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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