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385310 (2001 XS122)
Classification: Main-belt Asteroid          SPK-ID: 2385310
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04161875090562411 7.7625e-08  
a 2.597769114772413 2.9334e-08 au
q 2.489653209074376 1.9314e-07 au
i 21.29959904393718 8.7075e-06 deg
node 240.258065233759 1.7916e-05 deg
peri 202.2786995404192 8.8498e-05 deg
M 226.2664690644234 8.6894e-05 deg
tp 2459964.616052983164
(2023-Jan-20.11605298)
0.00036984 TDB
period 1529.323107250216
4.19
2.5904e-05
7.092e-08
d
yr
n .235398261030198 3.9872e-09 deg/d
Q 2.70588502047045 3.0555e-08 au
  Orbit Determination Parameters
   # obs. used (total)      125  
   data-arc span      6820 days (18.67 yr)  
   first obs. used      2001-10-21  
   last obs. used      2020-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61064  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:04:56  

Additional Information
 Earth MOID = 1.50836 au 
 Jupiter MOID = 2.51049 au 
 T_jup = 3.318 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.40   n/a MPCxxxxx  

385310 (2001 XS122)          Discovered 2001-Dec-14 by LINEAR at Socorro
Reference: Last Updated: 2014-02-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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