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442545 (2011 YZ33)
Classification: Outer Main-belt Asteroid          SPK-ID: 2442545
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02328533974640784 7.9742e-08  
a 3.216178023412628 5.0243e-08 au
q 3.141288225452535 2.4143e-07 au
i 9.847269518944321 8.6976e-06 deg
node 325.8560575877175 4.0968e-05 deg
peri 206.3565725490502 0.00017326 deg
M 110.4298477737113 0.00016905 deg
tp 2458354.261958536015
(2018-Aug-23.76195854)
0.00098962 TDB
period 2106.728385642287
5.77
4.9367e-05
1.352e-07
d
yr
n .1708810696497286 4.0042e-09 deg/d
Q 3.291067821372722 5.1413e-08 au
  Orbit Determination Parameters
   # obs. used (total)      154  
   data-arc span      9261 days (25.36 yr)  
   first obs. used      1995-02-06  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63803  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 07:19:33  

Additional Information
 Earth MOID = 2.15143 au 
 Jupiter MOID = 1.71905 au 
 T_jup = 3.167 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457603.5 (2016-Aug-03.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02197727721921922 8.1334e-08  
q 3.139773927846903 2.4719e-07 au
tp 2458312.610799597868
(2018-Jul-13.11079960)
0.0010128 TDB
node 326.0151084921989 4.1082e-05 deg
peri 198.8237646824424 0.00017763 deg
i 9.837632214195702 8.688e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      154  
   data-arc span      9261 days (25.36 yr)  
   first obs. used      1995-02-06  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63803  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 07:19:33  

Additional Information
 Jupiter MOID = 1.71905 au 
 T_jup = 3.167 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.615268002966459E-15 -1.976568032626659E-14 -1.923175864817893E-11 -1.321712865008909E-14 -3.263728259321513E-12 9.716992270411092E-15
q -1.976568032626659E-14 6.110120229392919E-14 6.519871179169218E-11 2.113111368387133E-14 1.096481051439061E-11 -2.517277624273329E-14
tp -1.923175864817893E-11 6.519871179169218E-11 1.025743964781945E-6 -4.193266982980723E-13 1.750728433945449E-7 1.417485041630507E-11
node -1.321712865008909E-14 2.113111368387133E-14 -4.193266982980723E-13 1.687761207979047E-9 -1.661183573430511E-9 -6.676765665504147E-11
peri -3.263728259321513E-12 1.096481051439061E-11 1.750728433945449E-7 -1.661183573430511E-9 3.15534399456495E-8 6.806793215295455E-11
i 9.716992270411092E-15 -2.517277624273329E-14 1.417485041630507E-11 -6.676765665504147E-11 6.806793215295455E-11 7.548162557277192E-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 15.6   n/a MPO437721  

442545 (2011 YZ33)          Discovered 2010-Nov-04 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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