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JPL Small-Body Database Browser
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441866 (2009 YM11)
Classification: Main-belt Asteroid          SPK-ID: 2441866
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1463557417340581 4.9259e-08  
a 2.257696111600882 3.3821e-08 au
q 1.927269322577436 1.1198e-07 au
i 3.652711370861946 5.578e-06 deg
node 68.72103049434163 0.00013521 deg
peri 345.8697564673082 0.00014174 deg
M 306.6322385500322 4.8715e-05 deg
tp 2458784.184766275755
(2019-Oct-27.68476628)
0.0001709 TDB
period 1239.072317493873
3.39
2.7843e-05
7.623e-08
d
yr
n .2905399425984515 6.5286e-09 deg/d
Q 2.588122900624328 3.8771e-08 au
  Orbit Determination Parameters
   # obs. used (total)      97  
   data-arc span      3662 days (10.03 yr)  
   first obs. used      2007-02-26  
   last obs. used      2017-03-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .74858  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 12:16:29  

Additional Information
 Earth MOID = .938617 au 
 Jupiter MOID = 2.73982 au 
 T_jup = 3.605 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.1   n/a MPO460658  
diameter diameter 1.560 km 0.374 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)  

441866 (2009 YM11)          Discovered 2009-Dec-18 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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