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JPL Small-Body Database Browser
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80078 (1999 JU115)
Classification: Main-belt Asteroid          SPK-ID: 2080078
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1653330880179751 3.5315e-08  
a 3.060633424311686 2.1816e-08 au
q 2.554609448979206 1.1018e-07 au
i 3.216093503189267 4.9482e-06 deg
node 78.83364350167544 7.4669e-05 deg
peri 57.88286731659262 7.6217e-05 deg
M 56.7120970964048 1.6341e-05 deg
tp 2458692.402192258450
(2019-Jul-27.90219226)
8.7426e-05 TDB
period 1955.759290622127
5.35
2.091e-05
5.725e-08
d
yr
n .1840717320000479 1.968e-09 deg/d
Q 3.566657399644167 2.5422e-08 au
  Orbit Determination Parameters
   # obs. used (total)      906  
   data-arc span      7238 days (19.82 yr)  
   first obs. used      1999-05-13  
   last obs. used      2019-03-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51251  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:51:53  

Additional Information
 Earth MOID = 1.57025 au 
 Jupiter MOID = 1.47569 au 
 T_jup = 3.210 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456538.5 (2013-Sep-03.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1677922212784581 3.5109e-08  
q 2.548913053257916 1.102e-07 au
tp 2456736.334505375352
(2014-Mar-19.83450538)
8.0556e-05 TDB
node 78.87101685605396 7.4576e-05 deg
peri 57.96228106267303 7.609e-05 deg
i 3.218111429775175 4.9517e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      906  
   data-arc span      7238 days (19.82 yr)  
   first obs. used      1999-05-13  
   last obs. used      2019-03-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51251  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:51:53  

Additional Information
 Jupiter MOID = 1.47569 au 
 T_jup = 3.210 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.232668931024905E-15 -3.816104810562181E-15 -2.240654350451121E-13 4.0143955826862E-15 -5.13849071804285E-14 -3.025811504379616E-17
q -3.816104810562181E-15 1.214453684458201E-14 9.334919796515169E-13 -1.250632275971622E-14 1.96220102157594E-13 3.202965578719805E-16
tp -2.240654350451121E-13 9.334919796515169E-13 6.489281144225747E-9 -9.632359251759643E-12 1.23637324039909E-9 1.095238457016394E-12
node 4.0143955826862E-15 -1.250632275971622E-14 -9.632359251759643E-12 5.561601373071047E-9 -5.55435778893799E-9 -5.18429229096158E-11
peri -5.13849071804285E-14 1.96220102157594E-13 1.23637324039909E-9 -5.55435778893799E-9 5.789650102203223E-9 5.195758591944038E-11
i -3.025811504379616E-17 3.202965578719805E-16 1.095238457016394E-12 -5.18429229096158E-11 5.195758591944038E-11 2.451943165154042E-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 14.5   n/a MPO432349  
diameter diameter 6.116 km 0.706 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.235 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.082   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

80078 (1999 JU115)          Discovered 1999-May-13 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1999 JU115 = 2001 UB129 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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