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14476 (1993 XW2)
Classification: Main-belt Asteroid          SPK-ID: 2014476
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1883926153225643 1.299e-08  
a 2.69069898272081 9.5053e-09 au
q 2.183791164320273 3.3741e-08 au
i 13.66537781775984 1.6604e-06 deg
node 129.0209561568384 3.4622e-06 deg
peri 227.0720720169654 7.7406e-06 deg
M 125.8188975285177 5.8707e-06 deg
tp 2458637.070640986851
(2019-Jun-02.57064099)
2.5158e-05 TDB
period 1612.115296104545
4.41
8.5425e-06
2.339e-08
d
yr
n .2233090901562007 1.1833e-09 deg/d
Q 3.197606801121347 1.1296e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2464  
   data-arc span      14184 days (38.83 yr)  
   first obs. used      1982-05-13  
   last obs. used      2021-03-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45106  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:30:36  

Additional Information
 Earth MOID = 1.19919 au 
 Jupiter MOID = 2.27892 au 
 T_jup = 3.306 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457299.5 (2015-Oct-04.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1900886213390234 1.3293e-08  
q 2.177494879099002 3.4706e-08 au
tp 2457022.166701026590
(2014-Dec-30.66670103)
2.2933e-05 TDB
node 129.2265554288645 3.4558e-06 deg
peri 226.2204737678345 7.6179e-06 deg
i 13.67879519162871 1.6614e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2464  
   data-arc span      14184 days (38.83 yr)  
   first obs. used      1982-05-13  
   last obs. used      2021-03-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45106  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:30:36  

Additional Information
 Jupiter MOID = 2.27892 au 
 T_jup = 3.306 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.766970611979162E-16 -4.507355572426143E-16 -2.138672560761483E-13 -4.989946468663261E-15 -5.540583541416177E-14 2.590439874277292E-15
q -4.507355572426143E-16 1.204515776406667E-15 5.78259144528255E-13 1.326503577753773E-14 1.504722721183607E-13 -6.869557312319231E-15
tp -2.138672560761483E-13 5.78259144528255E-13 5.259263799670409E-10 -1.930866286710823E-11 1.601608033184155E-10 8.617283243136243E-12
node -4.989946468663261E-15 1.326503577753773E-14 -1.930866286710823E-11 1.194255724915203E-11 -1.578405966966744E-11 -1.382266979754049E-12
peri -5.540583541416177E-14 1.504722721183607E-13 1.601608033184155E-10 -1.578405966966744E-11 5.803204698764553E-11 3.314467098019589E-12
i 2.590439874277292E-15 -6.869557312319231E-15 8.617283243136243E-12 -1.382266979754049E-12 3.314467098019589E-12 2.760225848906877E-12

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.0   n/a MPO502279  
diameter diameter 6.292 km 0.075 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.325   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

14476 (1993 XW2)          Discovered 1993-Dec-14 by PCAS at Palomar
Reference: 20000418/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1993 XW2 = 1982 JG = 1999 BT14 = 1999 CJ97 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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