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22000 (1999 XF40)
Classification: Main-belt Asteroid          SPK-ID: 2022000
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0782963144894997 4.1479e-08  
a 3.178560809793825 1.9947e-08 au
q 2.929691213006209 1.3243e-07 au
i 3.070895050298905 4.0186e-06 deg
node 86.93906026775365 8.2861e-05 deg
peri 113.1224228340404 8.693e-05 deg
M 138.46204015826 2.5456e-05 deg
tp 2458600.391173195655
(2019-Apr-26.89117320)
0.00014668 TDB
period 2069.875449776601
5.67
1.9485e-05
5.335e-08
d
yr
n .1739235083148865 1.6372e-09 deg/d
Q 3.427430406581442 2.1509e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1392  
   data-arc span      11022 days (30.18 yr)  
   first obs. used      1991-06-03  
   last obs. used      2021-08-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5356  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-24 22:47:01  

Additional Information
 Earth MOID = 1.92936 au 
 Jupiter MOID = 1.53047 au 
 T_jup = 3.193 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456727.5 (2014-Mar-11.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07314767903584045 4.1347e-08  
q 2.945415521816653 1.2991e-07 au
tp 2456521.217220783910
(2013-Aug-16.71722078)
0.00016005 TDB
node 87.07611218750924 8.2395e-05 deg
peri 111.7045728809659 8.715e-05 deg
i 3.078240064615422 4.0308e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1392  
   data-arc span      11022 days (30.18 yr)  
   first obs. used      1991-06-03  
   last obs. used      2021-08-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5356  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-24 22:47:01  

Additional Information
 Jupiter MOID = 1.53047 au 
 T_jup = 3.193 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.709567719817584E-15 -5.324626500909731E-15 -2.695534673911677E-13 -1.548955292217774E-15 -1.617439053833773E-14 -7.032397954874713E-16
q -5.324626500909731E-15 1.687789916924417E-14 4.400430891618163E-13 6.9228620855224E-15 -1.803817874182648E-14 2.868711148209396E-15
tp -2.695534673911677E-13 4.400430891618163E-13 2.561468886442439E-8 -8.113972463242269E-12 4.574029923471742E-9 -5.249829875185677E-13
node -1.548955292217774E-15 6.9228620855224E-15 -8.113972463242269E-12 6.788992696361426E-9 -6.780261610249841E-9 -7.616634939453797E-12
peri -1.617439053833773E-14 -1.803817874182648E-14 4.574029923471742E-9 -6.780261610249841E-9 7.595186187019802E-9 7.564613940530593E-12
i -7.032397954874713E-16 2.868711148209396E-15 -5.249829875185677E-13 -7.616634939453797E-12 7.564613940530593E-12 1.624741499219195E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.7   n/a MPO474055  
diameter diameter 9.849 km 0.196 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22000 (1999 XF40)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1999 XF40 = 1993 TZ34 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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