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78759 (2002 UB2)
Classification: Main-belt Asteroid          SPK-ID: 2078759
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1049703265149849 4.1638e-08  
a 3.070831480167115 2.1483e-08 au
q 2.748485297021478 1.297e-07 au
i 11.24396636031583 4.2471e-06 deg
node 89.55419634308849 2.6783e-05 deg
peri 320.6541256857945 3.7197e-05 deg
M 71.93321717795642 2.5005e-05 deg
tp 2458607.756155952277
(2019-May-04.25615595)
0.00013639 TDB
period 1965.54233779645
5.38
2.0626e-05
5.647e-08
d
yr
n .1831555561421243 1.922e-09 deg/d
Q 3.393177663312752 2.3738e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1149  
   data-arc span      8320 days (22.78 yr)  
   first obs. used      1998-01-22  
   last obs. used      2020-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49726  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:12:57  

Additional Information
 Earth MOID = 1.77067 au 
 Jupiter MOID = 1.94639 au 
 T_jup = 3.193 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457030.5 (2015-Jan-08.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1023392240791604 4.1264e-08  
q 2.760079658316485 1.2815e-07 au
tp 2456646.836417285621
(2013-Dec-20.33641729)
0.00014237 TDB
node 89.70339379573623 2.6742e-05 deg
peri 321.5586009572399 3.7689e-05 deg
i 11.24754257429958 4.2494e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1149  
   data-arc span      8320 days (22.78 yr)  
   first obs. used      1998-01-22  
   last obs. used      2020-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49726  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:12:57  

Additional Information
 Jupiter MOID = 1.94639 au 
 T_jup = 3.193 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.702737100644704E-15 -5.226535972388895E-15 -1.292028920594804E-12 8.968607027169161E-16 -3.085877422360978E-13 -3.655099039286912E-17
q -5.226535972388895E-15 1.642362470928545E-14 3.460032669487076E-12 1.755896276129519E-15 8.622529913826785E-13 8.107657956056645E-16
tp -1.292028920594804E-12 3.460032669487076E-12 2.026904519740886E-8 2.820469689485076E-11 3.819278907624924E-9 -7.030654921543062E-12
node 8.968607027169161E-16 1.755896276129519E-15 2.820469689485076E-11 7.151571430178167E-10 -6.956054535709057E-10 1.609715939174542E-11
peri -3.085877422360978E-13 8.622529913826785E-13 3.819278907624924E-9 -6.956054535709057E-10 1.42044484027006E-9 -1.706269584201662E-11
i -3.655099039286912E-17 8.107657956056645E-16 -7.030654921543062E-12 1.609715939174542E-11 -1.706269584201662E-11 1.80575490780047E-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 14.1   n/a MPO453209  
diameter diameter 4.924 km 0.391 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.152   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78759 (2002 UB2)          Discovered 2002-Oct-25 by NEAT at Palomar
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 UB2 = 2001 OL66 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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