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146730 (2001 XD45)
Classification: Main-belt Asteroid          SPK-ID: 2146730
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1087915871910949 6.1804e-08  
a 3.057192129322386 3.2849e-08 au
q 2.724595345225281 1.8436e-07 au
i 10.97284597127697 8.1227e-06 deg
node 329.2110151536956 3.5284e-05 deg
peri 82.25087138481148 5.1501e-05 deg
M 199.8938726258166 3.6897e-05 deg
tp 2459868.836343308367
(2022-Oct-16.33634331)
0.00020295 TDB
period 1952.461712226875
5.35
3.1468e-05
8.615e-08
d
yr
n .1843826169525255 2.9717e-09 deg/d
Q 3.389788913419492 3.6423e-08 au
  Orbit Determination Parameters
   # obs. used (total)      253  
   data-arc span      8124 days (22.24 yr)  
   first obs. used      1997-01-09  
   last obs. used      2019-04-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56639  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 11:23:11  

Additional Information
 Earth MOID = 1.76229 au 
 Jupiter MOID = 1.99898 au 
 T_jup = 3.198 
[ 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 15.5   n/a MPO257678  

146730 (2001 XD45)          Discovered 2001-Dec-09 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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