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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457881.5 (2017-May-08.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04271884321260797 7.7349e-08  
q 2.485358059874088 1.9242e-07 au
tp 2458440.557230700229
(2018-Nov-18.05723070)
0.00036035 TDB
node 240.2925918055325 1.7908e-05 deg
peri 203.3554930472503 8.6727e-05 deg
i 21.31038626334353 8.7098e-06 deg
  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
 Jupiter MOID = 2.51049 au 
 T_jup = 3.318 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.982893852349427E-15 -1.474405952620137E-14 -6.151100931081991E-12 6.632099865710245E-14 -1.65102018339653E-12 -1.174741326960819E-14
q -1.474405952620137E-14 3.702463614152897E-14 1.595867653326167E-11 -1.651706317232533E-13 4.200028629319088E-12 3.386469031770514E-14
tp -6.151100931081991E-12 1.595867653326167E-11 1.298503114239804E-7 -8.736972959064802E-11 3.059123937452704E-8 9.624836674296673E-11
node 6.632099865710245E-14 -1.651706317232533E-13 -8.736972959064802E-11 3.207102878045666E-10 -3.193512070237335E-10 -1.165341472379527E-11
peri -1.65102018339653E-12 4.200028629319088E-12 3.059123937452704E-8 -3.193512070237335E-10 7.521536789456993E-9 3.324874334721358E-11
i -1.174741326960819E-14 3.386469031770514E-14 9.624836674296673E-11 -1.165341472379527E-11 3.324874334721358E-11 7.58598999821887E-11

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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