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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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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 
[ show covariance matrix ]

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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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