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JPL Small-Body Database Browser
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441780 (2009 DG49)
Classification: Main-belt Asteroid          SPK-ID: 2441780
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08649967523278118 6.6075e-08  
a 2.581555292169588 3.0183e-08 au
q 2.358251597801452 1.8511e-07 au
i 9.139299414658032 6.5651e-06 deg
node 173.7621171128999 2.9728e-05 deg
peri 236.2687911024449 4.3961e-05 deg
M 281.3208623063409 3.2937e-05 deg
tp 2458931.614092057538
(2020-Mar-23.11409206)
0.00014113 TDB
period 1515.027701559577
4.15
2.657e-05
7.274e-08
d
yr
n .2376194175389759 4.1673e-09 deg/d
Q 2.804858986537725 3.2794e-08 au
  Orbit Determination Parameters
   # obs. used (total)      200  
   data-arc span      6730 days (18.43 yr)  
   first obs. used      2001-05-24  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63515  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 15:59:04  

Additional Information
 Earth MOID = 1.38001 au 
 Jupiter MOID = 2.50769 au 
 T_jup = 3.401 
[ 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 16.8   n/a MPO450444  

441780 (2009 DG49)          Discovered 2009-Feb-19 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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