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39657 (1995 UX22)
Classification: Main-belt Asteroid          SPK-ID: 2039657
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06535157465448144 4.1518e-08  
a 2.786300995330322 1.7121e-08 au
q 2.604211837824137 1.1656e-07 au
i 1.371977785339515 4.9786e-06 deg
node 201.5819347996945 0.00019396 deg
peri 217.1409241163674 0.00019864 deg
M 76.15742907445657 4.0802e-05 deg
tp 2458641.123027341437
(2019-Jun-06.62302734)
0.0001927 TDB
period 1698.793036075262
4.65
1.5658e-05
4.287e-08
d
yr
n .2119151611497722 1.9532e-09 deg/d
Q 2.968390152836508 1.824e-08 au
  Orbit Determination Parameters
   # obs. used (total)      552  
   data-arc span      8872 days (24.29 yr)  
   first obs. used      1995-10-19  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59547  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 05:32:49  

Additional Information
 Earth MOID = 1.61647 au 
 Jupiter MOID = 2.24661 au 
 T_jup = 3.327 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO468236  

39657 (1995 UX22)          Discovered 1995-Oct-19 by Spacewatch at Kitt Peak
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1995 UX22 = 1999 RL243 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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