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215946 (2005 MA23)
Classification: Main-belt Asteroid          SPK-ID: 2215946
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2966053687568146 4.466e-08  
a 2.713275575146355 1.3558e-08 au
q 1.908503472641212 1.2236e-07 au
i 11.21898899791874 4.5976e-06 deg
node 286.5702312429871 2.5522e-05 deg
peri 10.78315342748638 2.7099e-05 deg
M 126.8060048351739 1.0374e-05 deg
tp 2458425.488402767138
(2018-Nov-02.98840277)
4.4064e-05 TDB
period 1632.447732052598
4.47
1.2235e-05
3.35e-08
d
yr
n .2205277344759732 1.6529e-09 deg/d
Q 3.518047677651498 1.7579e-08 au
  Orbit Determination Parameters
   # obs. used (total)      526  
   data-arc span      7198 days (19.71 yr)  
   first obs. used      2000-05-10  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49568  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 03:28:58  

Additional Information
 Earth MOID = .893743 au 
 Jupiter MOID = 1.71803 au 
 T_jup = 3.271 
[ 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 15.5   n/a MPO310512  
diameter diameter 4.759 km 0.668 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.032   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

215946 (2005 MA23)          Discovered 2005-Jun-30 by CSS at Catalina
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

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