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43420 (2000 XR22)
Classification: Main-belt Asteroid          SPK-ID: 2043420
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08654698566846561 5.4616e-08  
a 2.590693295704226 1.3098e-08 au
q 2.366476600169522 1.4358e-07 au
i 6.940442163320174 5.5479e-06 deg
node 12.24779545626357 2.9935e-05 deg
peri 146.4228739571921 3.8621e-05 deg
M 213.577085968314 2.7452e-05 deg
tp 2459819.982402024349
(2022-Aug-28.48240202)
0.00011912 TDB
period 1523.078994866235
4.17
1.1551e-05
3.162e-08
d
yr
n .2363633148467241 1.7926e-09 deg/d
Q 2.814909991238929 1.4232e-08 au
  Orbit Determination Parameters
   # obs. used (total)      980  
   data-arc span      10675 days (29.23 yr)  
   first obs. used      1991-10-05  
   last obs. used      2020-12-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55965  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:19:53  

Additional Information
 Earth MOID = 1.37766 au 
 Jupiter MOID = 2.16071 au 
 T_jup = 3.404 
[ 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 15.17   n/a MPCxxxxx  
diameter diameter 2.446 km 0.250 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.355   0.078 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43420 (2000 XR22)          Discovered 2000-Dec-04 by LINEAR at Socorro
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 XR22 = 2002 GM19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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