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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1626679521018417 3.6753e-08  
a 2.227726220762999 9.044e-09 au
q 1.865346558587907 8.0808e-08 au
i 4.207098367440368 4.3413e-06 deg
node 55.17082382882248 8.859e-05 deg
peri 11.30270528011956 9.141e-05 deg
M 117.9074755264297 2.3682e-05 deg
tp 2457202.731862352844
(2015-Jun-29.23186235)
7.9113e-05 JED
period 1214.482193886662
3.33
7.3957e-06
2.025e-08
d
yr
n .2964226250595782 1.8051e-09 deg/d
Q 2.590105882938091 1.0515e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1102  
   data-arc span      20971 days (57.42 yr)  
   first obs. used      1958-11-11  
   last obs. used      2016-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51688  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 12:57:17  

Additional Information
 Earth MOID = .877591 au 
 Jupiter MOID = 2.70528 au 
 T_jup = 3.623 
[ 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 14.6 mag n/a MPO358698  

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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