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46321 (2001 QO84)
Classification: Main-belt Asteroid          SPK-ID: 2046321
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06403568937555916 3.6611e-08  
a 2.839823759389732 1.217e-08 au
q 2.657973687252119 1.0248e-07 au
i 1.491683192917741 4.1176e-06 deg
node 229.464444260548 0.00013562 deg
peri 107.1629879608519 0.00013938 deg
M 96.95325757913095 3.0447e-05 deg
tp 2458925.744487330243
(2020-Mar-17.24448733)
0.00014804 TDB
period 1747.976177311974
4.79
1.1236e-05
3.076e-08
d
yr
n .2059524635819726 1.3239e-09 deg/d
Q 3.021673831527346 1.2949e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1661  
   data-arc span      8862 days (24.26 yr)  
   first obs. used      1996-10-06  
   last obs. used      2021-01-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48532  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 21:23:06  

Additional Information
 Earth MOID = 1.64798 au 
 Jupiter MOID = 2.21771 au 
 T_jup = 3.306 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456717.5 (2014-Mar-01.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06685840143770326 3.6725e-08  
q 2.649700537274712 1.0337e-07 au
tp 2457181.125827190168
(2015-Jun-07.62582719)
0.00014234 TDB
node 229.5323931985025 0.00013564 deg
peri 107.9205568388387 0.00013907 deg
i 1.49063923438864 4.1234e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1661  
   data-arc span      8862 days (24.26 yr)  
   first obs. used      1996-10-06  
   last obs. used      2021-01-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48532  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 21:23:06  

Additional Information
 Jupiter MOID = 2.21771 au 
 T_jup = 3.306 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.348760845395063E-15 -3.773518676741235E-15 1.364097095460042E-12 -8.417944939196212E-15 2.598649805868568E-13 -2.490339956247737E-16
q -3.773518676741235E-15 1.068469123830158E-14 -4.149872277139907E-12 2.513573342259915E-14 -8.075159290423277E-13 7.087517204804428E-16
tp 1.364097095460042E-12 -4.149872277139907E-12 2.026123334709229E-8 -2.766438076291058E-11 4.384101450239879E-9 -6.477915432369082E-13
node -8.417944939196212E-15 2.513573342259915E-14 -2.766438076291058E-11 1.839798129219511E-8 -1.839716979550506E-8 -2.0472134505232E-10
peri 2.598649805868568E-13 -8.075159290423277E-13 4.384101450239879E-9 -1.839716979550506E-8 1.934131163156793E-8 2.045173909727016E-10
i -2.490339956247737E-16 7.087517204804428E-16 -6.477915432369082E-13 -2.0472134505232E-10 2.045173909727016E-10 1.700242985730048E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.16   n/a E2021B10  
diameter diameter 4.361 km 0.282 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.256   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46321 (2001 QO84)          Discovered 2001-Aug-18 by LINEAR at Socorro
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 QO84 = 1996 TH23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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