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JPL Small-Body Database Browser
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447840 (2007 UL40)
Classification: Main-belt Asteroid          SPK-ID: 2447840
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2056709812078778 1.4002e-06  
a 2.574758949698466 2.8891e-07 au
q 2.045205750140218 3.8339e-06 au
i 12.1508929638304 1.8746e-05 deg
node 27.26975981912064 3.8136e-05 deg
peri 320.5539874866954 0.0002425 deg
M 315.7007737767257 0.00010138 deg
tp 2458786.193597979646
(2019-Oct-29.69359798)
0.00039578 TDB
period 1509.048824820113
4.13
0.00025399
6.954e-07
d
yr
n .2385608696543759 4.0153e-08 deg/d
Q 3.104312149256715 3.4833e-07 au
  Orbit Determination Parameters
   # obs. used (total)      76  
   data-arc span      5705 days (15.62 yr)  
   first obs. used      2003-11-20  
   last obs. used      2019-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .46952  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:49:36  

Additional Information
 Earth MOID = 1.05482 au 
 Jupiter MOID = 2.37488 au 
 T_jup = 3.367 
[ 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 18.3   n/a MPO409031  

447840 (2007 UL40)          Discovered 2007-Sep-12 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-10-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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