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393960 (2005 UY239)
Classification: Main-belt Asteroid          SPK-ID: 2393960
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1748038963584483 7.8126e-08  
a 2.210729440851027 1.4221e-08 au
q 1.824285320795933 1.6983e-07 au
i 4.002956555158057 7.3516e-06 deg
node 143.0292588316648 0.00012428 deg
peri 191.6979804085752 0.00012655 deg
M 211.4891428227717 2.5348e-05 deg
tp 2459495.787677622815
(2021-Oct-08.28767762)
8.6152e-05 TDB
period 1200.609620961458
3.29
1.1585e-05
3.172e-08
d
yr
n .2998476721448466 2.8933e-09 deg/d
Q 2.59717356090612 1.6707e-08 au
  Orbit Determination Parameters
   # obs. used (total)      137  
   data-arc span      5821 days (15.94 yr)  
   first obs. used      2004-04-14  
   last obs. used      2020-03-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61312  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:12:57  

Additional Information
 Earth MOID = .814457 au 
 Jupiter MOID = 2.76308 au 
 T_jup = 3.634 
[ 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 18.2   n/a MPO472043  

393960 (2005 UY239)          Discovered 2005-Oct-25 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-05-15

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2049-Nov-09 07:41 00:04 Amphi 0.0453946043644416 0.0453759347786222 0.0454132742199476 4.02371605650997 4.02371602503673 2469754.819930172 3.52182558161322 946.8844380551 60.8922783815772 -10.673538320075 21812.3324073632 T 9 CATAB v2.0f-lin.ifort 2020-Nov-12 16:12:58 2020-Nov-12 16:12
2200-Sep-23 21:49 00:10 Hebe 0.0268520664917453 0.0267599329896876 0.0269442691202556 4.18097293486847 4.1809728794949 2524859.409004343 10.0677626062701 5070.87501485333 61.1472461096611 25.060070734728 27817.6840547728 T 9 CATAB v2.0f-lin.ifort 2020-Nov-12 16:12:58 2020-Nov-12 16:12

Alternate Designations
 2005 UY239 = 2008 SJ135 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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