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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1623457427127612 6.4249e-08  
a 2.227572217253606 1.1639e-08 AU
q 1.865935351197257 1.4397e-07 AU
i 4.206442644665726 8.0581e-06 deg
node 55.20174481336007 0.00010345 deg
peri 11.14042980808223 0.00010696 deg
M 240.8925205524295 2.8971e-05 deg
tp 2457202.274759005633
(2015-Jun-28.77475901)
9.8865e-05 JED
period 1214.356259681373
3.32
9.5178e-06
2.606e-08
d
yr
n .2964533654188582 2.3235e-09 deg/d
Q 2.589209083309955 1.3529e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      790  
   data-arc span      19980 days (54.70 yr)  
   first obs. used      1958-11-11  
   last obs. used      2013-07-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58068  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-26 19:02:08  

Additional Information
 Earth MOID = .8788 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 14.5 mag n/a MPO267735  

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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