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180178 (2003 JU2)
Classification: Main-belt Asteroid          SPK-ID: 2180178
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 .11733244074174 4.5338e-08  
a 3.138444258866774 2.615e-08 au
q 2.770202933842035 1.3866e-07 au
i 26.82233232181485 6.0299e-06 deg
node 222.4091393116532 9.5154e-06 deg
peri 331.8848505654641 2.6019e-05 deg
M 92.32979721015923 2.3925e-05 deg
tp 2458679.653875186010
(2019-Jul-15.15387519)
0.00013343 TDB
period 2030.813568302789
5.56
2.5382e-05
6.949e-08
d
yr
n .1772688569836879 2.2156e-09 deg/d
Q 3.506685583891514 2.9219e-08 au
  Orbit Determination Parameters
   # obs. used (total)      523  
   data-arc span      6354 days (17.40 yr)  
   first obs. used      2003-03-30  
   last obs. used      2020-08-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57653  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:25:27  

Additional Information
 Earth MOID = 1.78232 au 
 Jupiter MOID = 1.52528 au 
 T_jup = 3.035 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457525.5 (2016-May-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1167422577843677 4.5078e-08  
q 2.770802991869772 1.3747e-07 au
tp 2456646.143387874681
(2013-Dec-19.64338787)
0.00013143 TDB
node 222.4758547796061 9.5062e-06 deg
peri 330.9665147159544 2.6295e-05 deg
i 26.84036218918872 6.0309e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      523  
   data-arc span      6354 days (17.40 yr)  
   first obs. used      2003-03-30  
   last obs. used      2020-08-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57653  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:25:27  

Additional Information
 Jupiter MOID = 1.52528 au 
 T_jup = 3.035 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.032035231912392E-15 -6.113213763139767E-15 2.37384773393089E-12 -1.442915235625484E-16 4.283500587103733E-13 -1.028306132439153E-14
q -6.113213763139767E-15 1.889719604479562E-14 -7.300824736694712E-12 1.352663304905917E-15 -1.275677902982056E-12 3.330995369883528E-14
tp 2.37384773393089E-12 -7.300824736694712E-12 1.727306689373977E-8 9.28081500894637E-12 3.233305355206683E-9 -3.012831479518737E-11
node -1.442915235625484E-16 1.352663304905917E-15 9.28081500894637E-12 9.036830321291712E-11 -7.847044858344041E-11 1.767020390456108E-11
peri 4.283500587103733E-13 -1.275677902982056E-12 3.233305355206683E-9 -7.847044858344041E-11 6.914430374275641E-10 -2.120328088294424E-11
i -1.028306132439153E-14 3.330995369883528E-14 -3.012831479518737E-11 1.767020390456108E-11 -2.120328088294424E-11 3.637186767341974E-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 14.52   n/a E2021B55  
diameter diameter 6.882 km 0.312 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.078   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

180178 (2003 JU2)          Discovered 2003-May-01 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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