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249402 (2009 CZ12)
Classification: Outer Main-belt Asteroid          SPK-ID: 2249402
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1081783829058416 6.8089e-08  
a 3.223148116768369 4.7003e-08 au
q 2.874473165630358 2.2618e-07 au
i 10.57562679602475 7.0868e-06 deg
node 176.1947137776733 3.7753e-05 deg
peri 218.1201353312209 4.928e-05 deg
M 7.805491416782089 3.1553e-05 deg
tp 2458554.673512378234
(2019-Mar-12.17351238)
0.00018509 TDB
period 2113.580639953764
5.79
4.6233e-05
1.266e-07
d
yr
n .1703270711298128 3.7258e-09 deg/d
Q 3.57182306790638 5.2087e-08 au
  Orbit Determination Parameters
   # obs. used (total)      155  
   data-arc span      6167 days (16.88 yr)  
   first obs. used      2001-10-25  
   last obs. used      2018-09-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59537  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 09:55:43  

Additional Information
 Earth MOID = 1.88752 au 
 Jupiter MOID = 1.91041 au 
 T_jup = 3.153 
[ 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 MPO454849  
diameter diameter 5.172 km 1.371 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.035   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249402 (2009 CZ12)          Discovered 2009-Feb-01 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

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