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185735 (1998 XD10)
Classification: Main-belt Asteroid          SPK-ID: 2185735
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1227307589287676 5.684e-08  
a 2.429819484567351 2.014e-08 au
q 2.131605895166493 1.3672e-07 au
i 7.345866125580104 5.7372e-06 deg
node 75.05863762409481 4.7327e-05 deg
peri 246.5887809358592 5.9333e-05 deg
M 329.21787422197 4.2613e-05 deg
tp 2459118.792047769358
(2020-Sep-26.29204777)
0.00016443 TDB
period 1383.437177277834
3.79
1.7201e-05
4.709e-08
d
yr
n .2602214295761272 3.2354e-09 deg/d
Q 2.728033073968209 2.2612e-08 au
  Orbit Determination Parameters
   # obs. used (total)      305  
   data-arc span      7489 days (20.50 yr)  
   first obs. used      1998-11-26  
   last obs. used      2019-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57575  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 20:08:59  

Additional Information
 Earth MOID = 1.13128 au 
 Jupiter MOID = 2.54796 au 
 T_jup = 3.487 
[ 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 16.4   n/a MPO433219  

185735 (1998 XD10)          Discovered 1998-Dec-07 by ODAS at Caussols
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1901-May-01 23:36 00:08 David 0.0390249110133517 0.0389983476016565 0.0390514746132755 4.39714148480325 4.39714139676514 2415506.483372994 7.71203021654377 1330.42768295529 50.2898817190525 5.8082103708551 12520.8478164385 T 16 CATAB v2.0f-lin.ifort 2020-Feb-24 20:09:15 2020-Feb-24 20:09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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