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72986 (2002 DQ8)
Classification: Main-belt Asteroid          SPK-ID: 2072986
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2414769073987535 4.1467e-08  
a 2.260292528895067 9.2788e-09 au
q 1.714484079200978 9.2994e-08 au
i 23.6246862276107 6.1128e-06 deg
node 357.1385512409536 9.3438e-06 deg
peri 293.0982120383779 1.4328e-05 deg
M 55.90536741511767 1.103e-05 deg
tp 2459007.749103601268
(2020-Jun-07.24910360)
3.7984e-05 TDB
period 1241.210386621646
3.40
7.643e-06
2.093e-08
d
yr
n .2900394678293468 1.786e-09 deg/d
Q 2.806100978589155 1.1519e-08 au
  Orbit Determination Parameters
   # obs. used (total)      863  
   data-arc span      7998 days (21.90 yr)  
   first obs. used      1999-03-19  
   last obs. used      2021-02-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47334  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:05:09  

Additional Information
 Earth MOID = .813411 au 
 Jupiter MOID = 2.78915 au 
 T_jup = 3.474 
[ 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 15.61   n/a E2021B10  
diameter diameter 2.292 km 0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.194   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72986 (2002 DQ8)          Discovered 2002-Feb-19 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 DQ8 = 1999 FB14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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