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JPL Small-Body Database Browser
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487293 (2014 QR40)
Classification: Main-belt Asteroid          SPK-ID: 2487293
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06968707973962884 5.5908e-08  
a 2.753839294617209 5.1399e-08 au
q 2.561932276103097 1.5709e-07 au
i 5.192711653285681 8.9155e-06 deg
node 310.0257723686714 9.4663e-05 deg
peri 334.8972950895433 0.00012627 deg
M 146.7447766673265 8.8376e-05 deg
tp 2458320.096613316897
(2018-Jul-20.59661332)
0.00040121 TDB
period 1669.192081440916
4.57
4.6732e-05
1.279e-07
d
yr
n .2156732014264248 6.0382e-09 deg/d
Q 2.945746313131322 5.4981e-08 au
  Orbit Determination Parameters
   # obs. used (total)      100  
   data-arc span      6125 days (16.77 yr)  
   first obs. used      2003-01-28  
   last obs. used      2019-11-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5779  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 03:43:40  

Additional Information
 Earth MOID = 1.54669 au 
 Jupiter MOID = 2.17862 au 
 T_jup = 3.335 
[ 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 MPO503656  

487293 (2014 QR40)          Discovered 2010-Oct-11 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2017-03-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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