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22040 (1999 XR188)
Classification: Main-belt Asteroid          SPK-ID: 2022040
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03374368355437983 2.0926e-08  
a 3.054968007562573 1.5369e-08 au
q 2.951882133846627 7.045e-08 au
i 10.14019148977832 3.7328e-07 deg
node 49.16478961701564 1.9637e-06 deg
peri 124.3084744147647 2.8275e-05 deg
M 246.7689456368668 3.0922e-05 deg
tp 2459813.939132798059
(2022-Aug-22.43913280)
0.00016839 TDB
period 1950.331462065797
5.34
1.4718e-05
4.03e-08
d
yr
n .1845840089246609 1.3929e-09 deg/d
Q 3.158053881278519 1.5888e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2123  
   data-arc span      10026 days (27.45 yr)  
   first obs. used      1993-10-09  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46079  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 03:17:48  

Additional Information
 Earth MOID = 1.96453 au 
 Jupiter MOID = 1.82633 au 
 T_jup = 3.211 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457519.5 (2016-May-11.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03208053624650585 2.0088e-08  
q 2.956661876584898 6.8005e-08 au
tp 2457889.513143809467
(2017-May-16.01314381)
0.00018659 TDB
node 49.20366241018355 1.9652e-06 deg
peri 129.2583546795174 3.1948e-05 deg
i 10.13956447797937 3.7341e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2123  
   data-arc span      10026 days (27.45 yr)  
   first obs. used      1993-10-09  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46079  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 03:17:48  

Additional Information
 Jupiter MOID = 1.82633 au 
 T_jup = 3.211 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.035456329006819E-16 -1.336821817728229E-15 -3.033717163581357E-12 -1.153392582779505E-14 -4.981735269445019E-13 3.756537728931971E-15
q -1.336821817728229E-15 4.624705473238804E-15 9.598852893474978E-12 3.684772336695498E-14 1.558631289034712E-12 -1.181342526535659E-14
tp -3.033717163581357E-12 9.598852893474978E-12 3.481742157354127E-8 6.636496666378998E-11 5.942896821540988E-9 -2.006137625626496E-11
node -1.153392582779505E-14 3.684772336695498E-14 6.636496666378998E-11 3.862191666238045E-12 7.50619121341133E-12 -5.002095163897606E-13
peri -4.981735269445019E-13 1.558631289034712E-12 5.942896821540988E-9 7.50619121341133E-12 1.020678149740696E-9 -2.837720152392229E-12
i 3.756537728931971E-15 -1.181342526535659E-14 -2.006137625626496E-11 -5.002095163897606E-13 -2.837720152392229E-12 1.394330954515248E-13

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 12.85   n/a MPCxxxxx  

22040 (1999 XR188)          Discovered 1999-Dec-12 by LINEAR at Socorro
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1999 XR188 = 1993 TX37 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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