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146378 (2001 QN32)
Classification: Main-belt Asteroid          SPK-ID: 2146378
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2253375637864477 5.689e-08  
a 2.693343989663286 1.4671e-08 au
q 2.08643241659369 1.5291e-07 au
i 16.55823731525832 7.3062e-06 deg
node 334.3675576672501 1.3725e-05 deg
peri 49.79263818304561 2.1507e-05 deg
M 38.03733675528897 1.2627e-05 deg
tp 2458829.913851357314
(2019-Dec-12.41385136)
5.6933e-05 TDB
period 1614.492988992665
4.42
1.3191e-05
3.611e-08
d
yr
n .222980218839238 1.8219e-09 deg/d
Q 3.300255562732883 1.7977e-08 au
  Orbit Determination Parameters
   # obs. used (total)      949  
   data-arc span      14515 days (39.74 yr)  
   first obs. used      1981-01-26  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53026  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 14:28:19  

Additional Information
 Earth MOID = 1.12401 au 
 Jupiter MOID = 2.31833 au 
 T_jup = 3.276 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457562.5 (2016-Jun-23.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2259527771786662 5.8026e-08  
q 2.08392517297407 1.5642e-07 au
tp 2457211.291102104140
(2015-Jul-07.79110210)
6.013e-05 TDB
node 334.6213470818028 1.3659e-05 deg
peri 48.83329632019076 2.1344e-05 deg
i 16.59824436034421 7.318e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      949  
   data-arc span      14515 days (39.74 yr)  
   first obs. used      1981-01-26  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53026  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 14:28:19  

Additional Information
 Jupiter MOID = 2.31833 au 
 T_jup = 3.276 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.367062462066793E-15 -9.05378397003841E-15 -2.247345969890035E-12 2.338049404902405E-14 -6.170498271550187E-13 -2.547542613058426E-14
q -9.05378397003841E-15 2.446709963826346E-14 5.809957332102455E-12 -6.161396994054605E-14 1.60663730803485E-12 7.189499953595721E-14
tp -2.247345969890035E-12 5.809957332102455E-12 3.615608063507442E-9 -3.088661007763333E-11 9.943288865412409E-10 1.664760338015015E-11
node 2.338049404902405E-14 -6.161396994054605E-14 -3.088661007763333E-11 1.865693105021238E-10 -1.863375731337368E-10 3.481223638705065E-11
peri -6.170498271550187E-13 1.60663730803485E-12 9.943288865412409E-10 -1.863375731337368E-10 4.555513290536087E-10 -2.953609375680393E-11
i -2.547542613058426E-14 7.189499953595721E-14 1.664760338015015E-11 3.481223638705065E-11 -2.953609375680393E-11 5.355331426323352E-11

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 14.6   n/a MPO502886  
diameter diameter 5.084 km 0.128 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.157   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146378 (2001 QN32)          Discovered 2001-Aug-17 by NEAT at Palomar
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Alternate Designations
 2001 QN32 = 1981 BA = 1999 CY45 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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