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22039 (1999 XA185)
Classification: Main-belt Asteroid          SPK-ID: 2022039
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04111809150953364 3.1753e-08  
a 3.022947818450028 1.7893e-08 au
q 2.898649973422455 1.0225e-07 au
i 10.21163262939829 5.6558e-06 deg
node 24.21937320735335 2.0666e-05 deg
peri 77.63171862187231 7.6894e-05 deg
M 327.6071753297437 7.2861e-05 deg
tp 2459373.239127737909
(2021-Jun-07.73912774)
0.00038849 TDB
period 1919.748790624846
5.26
1.7044e-05
4.666e-08
d
yr
n .1875245353757072 1.6649e-09 deg/d
Q 3.147245663477602 1.8629e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1327  
   data-arc span      10903 days (29.85 yr)  
   first obs. used      1991-04-08  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52435  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:58:19  

Additional Information
 Earth MOID = 1.93682 au 
 Jupiter MOID = 1.92534 au 
 T_jup = 3.220 
[ 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 13.9   n/a MPO319360  

22039 (1999 XA185)          Discovered 1999-Dec-12 by LINEAR at Socorro
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XA185 = 1991 GW5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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