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305485 (2008 DL88)
Classification: Main-belt Asteroid          SPK-ID: 2305485
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1381210712247163 6.2082e-08  
a 3.058284216121653 3.8318e-08 au
q 2.635870724081289 1.8335e-07 au
i 4.173986635143709 8.3496e-06 deg
node 83.11942288505821 9.0468e-05 deg
peri 92.46602668363772 9.7945e-05 deg
M 108.4451476651412 3.2825e-05 deg
tp 2458412.032048782667
(2018-Oct-20.53204878)
0.00017917 TDB
period 1953.50798997839
5.35
3.6714e-05
1.005e-07
d
yr
n .1842838636170525 3.4634e-09 deg/d
Q 3.480697708162018 4.361e-08 au
  Orbit Determination Parameters
   # obs. used (total)      159  
   data-arc span      6379 days (17.46 yr)  
   first obs. used      2002-01-14  
   last obs. used      2019-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59962  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 17:55:01  

Additional Information
 Earth MOID = 1.64461 au 
 Jupiter MOID = 1.49558 au 
 T_jup = 3.216 
[ 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 16.2   n/a MPO433969  

305485 (2008 DL88)          Discovered 2008-Feb-18 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Alternate Designations
 2008 DL88 = 2006 XX21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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