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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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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03374368354611568 2.0926e-08  
a 3.054968007447167 1.5372e-08 au
q 2.951882133760362 7.0452e-08 au
i 10.14019148884362 3.7328e-07 deg
node 49.16478962271996 1.9637e-06 deg
peri 124.308474429729 2.8275e-05 deg
M 246.7689456322713 3.0922e-05 deg
tp 2459813.939132788195
(2022-Aug-22.43913279)		 0.00016839 TDB
period 1950.331461955282
5.34		 1.472e-05
4.03e-08		 d
yr
n .1845840089351203 1.3932e-09 deg/d
Q 3.158053881133971 1.5891e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2119  
   data-arc span      10014 days (27.42 yr)  
   first obs. used      1993-10-09  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45987  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:58:20  

Additional Information
 Earth MOID = 1.96453 au 
 Jupiter MOID = 1.82633 au 
 T_jup = 3.211 
[ 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 12.84   n/a E2021B10  

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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