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59633 (1999 JC78)
Classification: Main-belt Asteroid          SPK-ID: 2059633
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .116274808503564 2.6657e-08  
a 2.561760645428752 8.4391e-09 au
q 2.263892416949557 6.7548e-08 au
i 12.91687239416276 3.4122e-06 deg
node 207.1766197229386 1.4856e-05 deg
peri 22.1247892243164 2.3505e-05 deg
M 60.10171533688308 1.7806e-05 deg
tp 2458750.470865410076
(2019-Sep-23.97086541)
7.3894e-05 TDB
period 1497.635931817325
4.10
7.4004e-06
2.026e-08
d
yr
n .2403788479908822 1.1878e-09 deg/d
Q 2.859628873907947 9.4203e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2126  
   data-arc span      7858 days (21.51 yr)  
   first obs. used      1999-05-12  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48488  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:41:55  

Additional Information
 Earth MOID = 1.26 au 
 Jupiter MOID = 2.12329 au 
 T_jup = 3.390 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457479.5 (2016-Apr-01.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .115317249315703 2.6788e-08  
q 2.265638753624662 6.7755e-08 au
tp 2457252.301596473220
(2015-Aug-17.80159647)
7.3683e-05 TDB
node 207.225196058235 1.4849e-05 deg
peri 21.84074036752878 2.357e-05 deg
i 12.92081337074457 3.4126e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2126  
   data-arc span      7858 days (21.51 yr)  
   first obs. used      1999-05-12  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48488  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:41:55  

Additional Information
 Jupiter MOID = 2.12329 au 
 T_jup = 3.390 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.176124701170452E-16 -1.804399216080689E-15 -8.059746084569248E-13 -3.567653674290788E-15 -2.179560570176569E-13 1.884936441149527E-15
q -1.804399216080689E-15 4.590708716849342E-15 2.084087404312359E-12 9.65096322226982E-15 5.630324127404337E-13 -4.874500023308968E-15
tp -8.059746084569248E-13 2.084087404312359E-12 5.429182473193319E-9 -9.318610472527274E-13 1.361405295421763E-9 -9.020593703152744E-12
node -3.567653674290788E-15 9.65096322226982E-15 -9.318610472527274E-13 2.204890878119149E-10 -2.14820362179422E-10 -2.381787711513488E-11
peri -2.179560570176569E-13 5.630324127404337E-13 1.361405295421763E-9 -2.14820362179422E-10 5.555557232121207E-10 2.096299144714611E-11
i 1.884936441149527E-15 -4.874500023308968E-15 -9.020593703152744E-12 -2.381787711513488E-11 2.096299144714611E-11 1.164603161818208E-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 13.7   n/a MPO337726  
diameter diameter 5.718 km 0.171 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.44422 h n/a LCDB (Rev. 2020-October); 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.215   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59633 (1999 JC78)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JC78 = 2000 RB33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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