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22037 (1999 XQ181)
Classification: Main-belt Asteroid          SPK-ID: 2022037
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09010232348221352 4.397e-08  
a 3.041414509598571 1.8251e-08 au
q 2.767375995611223 1.3763e-07 au
i 12.20829709907074 3.364e-06 deg
node 287.8418793984338 2.0102e-05 deg
peri 255.1679685413591 3.0211e-05 deg
M 236.0452158869286 2.5588e-05 deg
tp 2459867.571889229676
(2022-Oct-15.07188923)		 0.00014146 TDB
period 1937.36677322291
5.30		 1.7438e-05
4.774e-08		 d
yr
n .1858192289532877 1.6726e-09 deg/d
Q 3.31545302358592 1.9895e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1339  
   data-arc span      8649 days (23.68 yr)  
   first obs. used      1997-06-29  
   last obs. used      2021-03-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5244  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:58:19  

Additional Information
 Earth MOID = 1.80248 au 
 Jupiter MOID = 1.86321 au 
 T_jup = 3.199 
[ show covariance matrix ]

[ 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 13.81   n/a E2021B10  

22037 (1999 XQ181)          Discovered 1999-Dec-12 by LINEAR at Socorro
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1999 XQ181 = 1997 MA12 = 1998 SB69 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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