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227004 (2004 XA97)
Classification: Main-belt Asteroid          SPK-ID: 2227004
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1021224295534099 7.8893e-08  
a 2.91298326413231 3.2427e-08 au
q 2.615502335950696 2.3985e-07 au
i 8.985404492316622 5.3264e-06 deg
node 78.97407610801311 4.5523e-05 deg
peri 297.6405228752633 5.4374e-05 deg
M 153.0753426108758 3.3477e-05 deg
tp 2458428.338488267852
(2018-Nov-05.83848827)
0.0001627 TDB
period 1815.956374699783
4.97
3.0323e-05
8.302e-08
d
yr
n .1982426477946178 3.3103e-09 deg/d
Q 3.210464192313923 3.5739e-08 au
  Orbit Determination Parameters
   # obs. used (total)      458  
   data-arc span      7776 days (21.29 yr)  
   first obs. used      2000-01-04  
   last obs. used      2021-04-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51604  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:50:24  

Additional Information
 Earth MOID = 1.6316 au 
 Jupiter MOID = 2.26336 au 
 T_jup = 3.257 
[ 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 15.46   n/a E2021B55  
diameter diameter 3.932 km 0.362 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.095   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

227004 (2004 XA97)          Discovered 2004-Dec-11 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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