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19780 (2000 QE65)
Classification: Main-belt Asteroid          SPK-ID: 2019780
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08370732004528217 5.0597e-08  
a 3.049412425965992 1.893e-08 au
q 2.794154284075596 1.5123e-07 au
i 10.08700557660815 5.0575e-06 deg
node 47.25283222042739 2.5304e-05 deg
peri 3.118761584512448 3.7368e-05 deg
M 247.3262105714187 2.8768e-05 deg
tp 2459809.255748480721
(2022-Aug-17.75574848)
0.00015769 TDB
period 1945.013747780002
5.33
1.8111e-05
4.959e-08
d
yr
n .1850886660368836 1.7235e-09 deg/d
Q 3.304670567856387 2.0515e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1152  
   data-arc span      8678 days (23.76 yr)  
   first obs. used      1995-10-21  
   last obs. used      2019-07-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52213  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:06:57  

Additional Information
 Earth MOID = 1.80369 au 
 Jupiter MOID = 2.07381 au 
 T_jup = 3.208 
[ 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 13.85   n/a MPCxxxxx  
diameter diameter 5.857 km 0.288 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.187   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19780 (2000 QE65)          Discovered 2000-Aug-28 by LINEAR at Socorro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 QE65 = 1998 HB63 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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