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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2251605549083852 5.7991e-08  
a 2.692967049648721 1.4872e-08 au
q 2.086617094399818 1.5609e-07 au
i 16.55797048095667 7.5584e-06 deg
node 334.3722080800082 1.3985e-05 deg
peri 49.7523137547288 2.1693e-05 deg
M 308.8559653089885 1.2865e-05 deg
tp 2458829.817644119150
(2019-Dec-12.31764412)
5.7223e-05 TDB
period 1614.154072545295
4.42
1.3371e-05
3.661e-08
d
yr
n .2230270369620481 1.8475e-09 deg/d
Q 3.299317004897624 1.822e-08 au
  Orbit Determination Parameters
   # obs. used (total)      883  
   data-arc span      14190 days (38.85 yr)  
   first obs. used      1981-01-26  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52624  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 11:36:07  

Additional Information
 Earth MOID = 1.12334 au 
 Jupiter MOID = 2.31539 au 
 T_jup = 3.276 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457468.5 (2016-Mar-21.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2259803839820801 5.9077e-08  
q 2.08364409036402 1.5959e-07 au
tp 2457211.232953660567
(2015-Jul-07.73295366)
6.0323e-05 TDB
node 334.6204981070761 1.3915e-05 deg
peri 48.8066384057496 2.1516e-05 deg
i 16.59858981226563 7.5707e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      883  
   data-arc span      14190 days (38.85 yr)  
   first obs. used      1981-01-26  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52624  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 11:36:07  

Additional Information
 Jupiter MOID = 2.31539 au 
 T_jup = 3.276 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.490051928258632E-15 -9.405120122214141E-15 -2.257116612518255E-12 2.073320991854422E-14 -6.127462377657893E-13 -2.874677434509758E-14
q -9.405120122214141E-15 2.547019103693576E-14 5.836782398442937E-12 -5.443497603164947E-14 1.594261739587042E-12 8.109403235436489E-14
tp -2.257116612518255E-12 5.836782398442937E-12 3.638847877536795E-9 -2.912576860882845E-11 9.986316577797584E-10 1.78134317144813E-11
node 2.073320991854422E-14 -5.443497603164947E-14 -2.912576860882845E-11 1.936384105823376E-10 -1.926762150599396E-10 3.92507232573426E-11
peri -6.127462377657893E-13 1.594261739587042E-12 9.986316577797584E-10 -1.926762150599396E-10 4.629281590083588E-10 -3.357129893890542E-11
i -2.874677434509758E-14 8.109403235436489E-14 1.78134317144813E-11 3.92507232573426E-11 -3.357129893890542E-11 5.731580367839563E-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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