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152662 (1998 DQ8)
Classification: Main-belt Asteroid          SPK-ID: 2152662
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08475052849967551 5.6145e-08  
a 2.739370920723153 2.8448e-08 au
q 2.507207787435223 1.5831e-07 au
i 9.630663181833867 4.954e-06 deg
node 72.23482588775565 3.8987e-05 deg
peri 56.31519541411068 5.4217e-05 deg
M 37.95564170073681 3.7219e-05 deg
tp 2459025.898276516978
(2020-Jun-25.39827652)
0.0001707 TDB
period 1656.054742783275
4.53
2.5797e-05
7.063e-08
d
yr
n .2173841182296669 3.3862e-09 deg/d
Q 2.971534054011083 3.0859e-08 au
  Orbit Determination Parameters
   # obs. used (total)      304  
   data-arc span      8423 days (23.06 yr)  
   first obs. used      1998-02-21  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60417  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:28:06  

Additional Information
 Earth MOID = 1.53741 au 
 Jupiter MOID = 2.13465 au 
 T_jup = 3.325 
[ 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 15.9   n/a MPO527209  

152662 (1998 DQ8)          Discovered 1998-Feb-21 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ show close-approach data ]
Alternate Designations
 1998 DQ8 = 2001 YW62 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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