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JPL Small-Body Database Browser
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146435 (2001 QU278)
Classification: Main-belt Asteroid          SPK-ID: 2146435
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1420429349390089 4.4904e-08  
a 2.678247259418865 1.5806e-08 au
q 2.297821158198652 1.1996e-07 au
i 13.60244028129651 4.3817e-06 deg
node 115.1481184857591 2.1832e-05 deg
peri 281.6526827083766 2.7079e-05 deg
M 321.82909112455 1.5202e-05 deg
tp 2458770.247908048976
(2019-Oct-13.74790805)
6.7517e-05 TDB
period 1600.937695694595
4.38
1.4172e-05
3.88e-08
d
yr
n .2248682137775559 1.9906e-09 deg/d
Q 3.058673360639077 1.8051e-08 au
  Orbit Determination Parameters
   # obs. used (total)      545  
   data-arc span      6674 days (18.27 yr)  
   first obs. used      2001-08-17  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53995  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 12:59:05  

Additional Information
 Earth MOID = 1.35097 au 
 Jupiter MOID = 2.40655 au 
 T_jup = 3.323 
[ 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 15.4   n/a MPO410806  
diameter diameter 4.989 km 0.060 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.054   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146435 (2001 QU278)          Discovered 2001-Aug-19 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

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