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22004 (1999 XF45)
Classification: Main-belt Asteroid          SPK-ID: 2022004
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1633212264475567 2.9431e-08  
a 2.436857244777415 1.1131e-08 au
q 2.038866730882753 7.3888e-08 au
i 13.44491244824485 4.0366e-06 deg
node 62.63439279174154 1.3658e-05 deg
peri 229.5267630232854 1.8694e-05 deg
M 301.4509829250555 1.4459e-05 deg
tp 2459426.475141464634
(2021-Jul-30.97514146)
5.6385e-05 TDB
period 1389.452035089444
3.80
9.5197e-06
2.606e-08
d
yr
n .2590949459992157 1.7752e-09 deg/d
Q 2.834847758672077 1.2949e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1451  
   data-arc span      9783 days (26.78 yr)  
   first obs. used      1994-04-07  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46538  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:57:28  

Additional Information
 Earth MOID = 1.04696 au 
 Jupiter MOID = 2.35831 au 
 T_jup = 3.449 
[ 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 14.45   n/a E2021B10  
diameter diameter 4.615 km 0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.119   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22004 (1999 XF45)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XF45 = 1998 KN41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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