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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1622946496893275 5.3041e-08  
a 2.227388444790154 1.2021e-08 AU
q 1.86589521742088 1.2191e-07 AU
i 4.206390351525085 5.7685e-06 deg
node 55.19678257623578 9.1376e-05 deg
peri 11.17344564242147 9.4719e-05 deg
M 300.150938098284 2.7757e-05 deg
tp 2457202.358581497174
(2015-Jun-28.85858150)
9.45e-05 JED
period 1214.205988029012
3.32
9.8293e-06
2.691e-08
d
yr
n .2964900548583014 2.4002e-09 deg/d
Q 2.588881672159428 1.3972e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      828  
   data-arc span      20385 days (55.81 yr)  
   first obs. used      1958-11-11  
   last obs. used      2014-09-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54486  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 13:50:37  

Additional Information
 Earth MOID = .879369 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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