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351636 (2005 YQ23)
Classification: Main-belt Asteroid          SPK-ID: 2351636
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1016505176263524 5.8521e-08  
a 2.27197805245022 2.2355e-08 au
q 2.041030307382943 1.3664e-07 au
i 6.415553164398863 6.5491e-06 deg
node 285.6870160588442 4.4954e-05 deg
peri 343.1632257327653 5.2393e-05 deg
M 162.6177799219184 2.5858e-05 deg
tp 2458035.471763763146
(2017-Oct-08.97176376)
8.9043e-05 TDB
period 1250.848247608199
3.42
1.8461e-05
5.054e-08
d
yr
n .287804696283799 4.2477e-09 deg/d
Q 2.502925797517496 2.4627e-08 au
  Orbit Determination Parameters
   # obs. used (total)      121  
   data-arc span      5167 days (14.15 yr)  
   first obs. used      2004-09-16  
   last obs. used      2018-11-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62907  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 06:15:06  

Additional Information
 Earth MOID = 1.02531 au 
 Jupiter MOID = 2.58059 au 
 T_jup = 3.597 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456903.5 (2014-Sep-03.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1021829242451646 5.8448e-08  
q 2.039673529956923 1.3655e-07 au
tp 2456785.531245418452
(2014-May-08.03124542)
8.9598e-05 TDB
node 285.7550505017472 4.4948e-05 deg
peri 343.2814746066591 5.2325e-05 deg
i 6.41640378445352 6.5496e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      121  
   data-arc span      5167 days (14.15 yr)  
   first obs. used      2004-09-16  
   last obs. used      2018-11-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62907  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 06:15:06  

Additional Information
 Jupiter MOID = 2.58059 au 
 T_jup = 3.597 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.416120618099807E-15 -7.895304790625675E-15 6.929336869065961E-13 -3.265481518591322E-15 1.364906254128765E-13 -1.320217960564237E-15
q -7.895304790625675E-15 1.864547729230537E-14 -1.857783393091132E-12 9.998664214148492E-15 -3.827605510409496E-13 4.337692377459113E-15
tp 6.929336869065961E-13 -1.857783393091132E-12 8.027760253280532E-9 -1.325226262590404E-11 2.414985577920957E-9 -4.092527135909082E-12
node -3.265481518591322E-15 9.998664214148492E-15 -1.325226262590404E-11 2.020333797194275E-9 -2.01055597591304E-9 -1.282204236405236E-11
peri 1.364906254128765E-13 -3.827605510409496E-13 2.414985577920957E-9 -2.01055597591304E-9 2.737942787054586E-9 1.153609472929928E-11
i -1.320217960564237E-15 4.337692377459113E-15 -4.092527135909082E-12 -1.282204236405236E-11 1.153609472929928E-11 4.289678826979043E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.7   n/a MPO460398  

351636 (2005 YQ23)          Discovered 2005-Dec-24 by Spacewatch at Kitt Peak
Reference: 20130127/Numbers.arcLast Updated: 2013-01-31
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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