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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06408200697246774 3.838e-08  
a 2.83913266828426 1.4875e-08 au
q 2.657195348839507 1.1022e-07 au
i 1.491971958775238 4.1639e-06 deg
node 229.465174557628 0.00015089 deg
peri 106.86177642 0.00015425 deg
M 15.65852919133094 3.0762e-05 deg
tp 2458924.497929683008
(2020-Mar-15.99792968)
0.0001493 TDB
period 1747.338142669546
4.78
1.3732e-05
3.76e-08
d
yr
n .2060276664309517 1.6191e-09 deg/d
Q 3.021069987729013 1.5828e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1325  
   data-arc span      8703 days (23.83 yr)  
   first obs. used      1996-10-06  
   last obs. used      2020-08-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52213  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 04:21:27  

Additional Information
 Earth MOID = 1.6479 au 
 Jupiter MOID = 2.21968 au 
 T_jup = 3.307 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.1   n/a MPO347846  
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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