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6900 (1988 XD1)
Classification: Main-belt Asteroid          SPK-ID: 2006900
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1625737987536826 6.4572e-08  
a 2.227123355430667 1.1725e-08 AU
q 1.865051451245255 1.448e-07 AU
i 4.207203463882248 8.0761e-06 deg
node 55.20476526098231 0.00010677 deg
peri 11.08201156375051 0.00011032 deg
M 122.3705081842319 2.8901e-05 deg
tp 2455987.843112491096
(2012-Mar-01.34311249)		 9.6544e-05 JED
period 1213.989234068964
3.32		 9.5866e-06
2.625e-08		 d
yr
n .2965429922252088 2.3417e-09 deg/d
Q 2.589195259616079 1.3631e-08 AU
   Orbit Determination Parameters
   # obs. used (total)      777  
   data-arc span      19883 days (54.44 yr)  
   first obs. used      1958-11-11  
   last obs. used      2013-04-19  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      0  
   fit RMS      .58324  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Apr-29 13:23:53  

Additional Information
 Earth MOID = .878152 AU 
 T_jup = 3.624 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.0 mag n/a PDS3 (MPC 26890)  

6900 (1988 XD1)          Discovered 1988-Dec-02 by Arai, M., Mori, H. at Yorii
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1988 XD1 = 1958 VZ = 1978 WF16 = 1981 TQ = 2001 KF78 
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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