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JPL Small-Body Database Browser
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487378 (2014 QR276)
Classification: Outer Main-belt Asteroid          SPK-ID: 2487378
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04722585343109101 1.1358e-07  
a 3.246919619028489 1.1271e-07 au
q 3.093581068997716 3.9967e-07 au
i 8.28880789621819 1.4929e-05 deg
node 329.3767658522019 5.7564e-05 deg
peri 39.42893091319637 0.00015228 deg
M 244.0268580211632 0.00013781 deg
tp 2459288.931375867197
(2021-Mar-15.43137587)
0.00082322 TDB
period 2137.005957443292
5.85
0.00011127
3.046e-07
d
yr
n .1684599889607715 8.7717e-09 deg/d
Q 3.400258169059263 1.1803e-07 au
  Orbit Determination Parameters
   # obs. used (total)      53  
   data-arc span      5285 days (14.47 yr)  
   first obs. used      2003-10-01  
   last obs. used      2018-03-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67506  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 16:08:09  

Additional Information
 Earth MOID = 2.09512 au 
 Jupiter MOID = 1.89044 au 
 T_jup = 3.164 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.5   n/a MPO322334  

487378 (2014 QR276)          Discovered 2009-Sep-30 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2017-03-14

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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