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JPL Small-Body Database Browser
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488453 (1994 XD)
Classification: Apollo [NEO, PHA]          SPK-ID: 2488453
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 70 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7338400714744315 5.5395e-09  
a 2.346508626239387 1.9752e-09 au
q .6245465682445053 1.3347e-08 au
i 4.310455117360538 1.1252e-05 deg
node 96.16285082616739 6.9413e-05 deg
peri 249.3890143454926 6.8354e-05 deg
M 294.2922092909536 8.752e-07 deg
tp 2458840.132668463680
(2019-Dec-22.63266846)
3.481e-06 TDB
period 1312.900033862315
3.59
1.6577e-06
4.539e-09
d
yr
n .2742021408446041 3.4622e-10 deg/d
Q 4.06847068423427 3.4247e-09 au
  Orbit Determination Parameters
   # obs. used (total)      305  
   # delay obs. used      6  
   # Doppler obs. used      2  
   data-arc span      8075 days (22.11 yr)  
   first obs. used      1994-12-01  
   last obs. used      2017-01-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37347  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-May-15 19:01:12  

Additional Information
 Earth MOID = .0201231 au 
 Jupiter MOID = 1.37853 au 
 T_jup = 3.127 
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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 19.1   n/a MPO264917  
rotation period rot_per 2.7365 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2013) Minor Planet Bull. 40, 94-98.]

488453 (1994 XD)          Discovered 1994-Dec-01 by Spacewatch at Kitt Peak
Reference: Last Updated: 2017-05-15

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