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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2055794174130391 1.4016e-06  
a 2.574385422097744 2.8704e-07 au
q 2.045144766826269 3.8355e-06 au
i 12.15038165325404 1.8747e-05 deg
node 27.26215989007193 3.8141e-05 deg
peri 320.6374758137497 0.00024201 deg
M 51.08467219814153 8.6104e-05 deg
tp 2458786.409750507777
(2019-Oct-29.90975051)
0.00039383 TDB
period 1508.720453725533
4.13
0.00025233
6.908e-07
d
yr
n .2386127921253007 3.9907e-08 deg/d
Q 3.103626077369218 3.4605e-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 = 1.05558 au 
 Jupiter MOID = 2.37907 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 18.1   n/a MPO477132  

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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