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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .296581524292191 5.0871e-08  
a 2.712334161804361 1.4036e-08 au
q 1.907905961706641 1.4028e-07 au
i 11.21857760642807 5.3488e-06 deg
node 286.5733135547723 2.8998e-05 deg
peri 10.71343640149178 3.0541e-05 deg
M 38.65185968396373 1.0145e-05 deg
tp 2458425.321375773467
(2018-Nov-02.82137577)
4.5192e-05 TDB
period 1631.598200893726
4.47
1.2665e-05
3.467e-08
d
yr
n .2206425575872822 1.7127e-09 deg/d
Q 3.51676236190208 1.8199e-08 au
  Orbit Determination Parameters
   # obs. used (total)      461  
   data-arc span      7113 days (19.47 yr)  
   first obs. used      2000-05-10  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51068  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 00:01:02  

Additional Information
 Earth MOID = .892413 au 
 Jupiter MOID = 1.71679 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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