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393355 (1995 UQ79)
Classification: Main-belt Asteroid          SPK-ID: 2393355
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1032969603478488 1.2395e-07  
a 3.018241720855335 5.3157e-08 au
q 2.706466525495918 3.8769e-07 au
i 1.837060861407481 1.9154e-05 deg
node 358.6628087998431 0.00038925 deg
peri 291.2013404749709 0.00040505 deg
M 331.1370539322978 0.00012351 deg
tp 2459154.056290071964
(2020-Oct-31.55629007)
0.00065824 TDB
period 1915.267564726044
5.24
5.0598e-05
1.385e-07
d
yr
n .1879632938134645 4.9656e-09 deg/d
Q 3.330016916214751 5.8648e-08 au
  Orbit Determination Parameters
   # obs. used (total)      59  
   data-arc span      8533 days (23.36 yr)  
   first obs. used      1995-10-19  
   last obs. used      2019-02-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .73235  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:24:36  

Additional Information
 Earth MOID = 1.6909 au 
 Jupiter MOID = 1.82356 au 
 T_jup = 3.238 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456158.5 (2012-Aug-19.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09990238498598709 1.245e-07  
q 2.71908294887292 3.8712e-07 au
tp 2455325.825438302915
(2010-May-09.32543830)
0.00065371 TDB
node 358.7967254816643 0.00038913 deg
peri 291.5403273498097 0.00040594 deg
i 1.836520572692941 1.9152e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      59  
   data-arc span      8533 days (23.36 yr)  
   first obs. used      1995-10-19  
   last obs. used      2019-02-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .73235  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:24:36  

Additional Information
 Jupiter MOID = 1.82356 au 
 T_jup = 3.238 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.549952800036322E-14 -4.782674780425869E-14 3.142478648219934E-11 1.121850223741265E-13 4.896766287171433E-12 7.990994663029633E-15
q -4.782674780425869E-14 1.498649172406204E-13 -9.100605655580703E-11 -3.549164866629098E-13 -1.385896257335671E-11 -2.382266718323053E-14
tp 3.142478648219934E-11 -9.100605655580703E-11 4.273302750577996E-7 9.427832732905501E-10 7.559674478336435E-8 -2.369122895134084E-11
node 1.121850223741265E-13 -3.549164866629098E-13 9.427832732905501E-10 1.514214308635968E-7 -1.51175363011406E-7 1.560834951455558E-9
peri 4.896766287171433E-12 -1.385896257335671E-11 7.559674478336435E-8 -1.51175363011406E-7 1.647843237076763E-7 -1.563815617592245E-9
i 7.990994663029633E-15 -2.382266718323053E-14 -2.369122895134084E-11 1.560834951455558E-9 -1.563815617592245E-9 3.668139890353963E-10

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 16.8   n/a MPO455790  
diameter diameter 2.838 km 0.133 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.029   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

393355 (1995 UQ79)          Discovered 1995-Oct-19 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-05-15

[ show close-approach data ]
Alternate Designations
 1995 UQ79 = 2010 HB99 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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