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66814 (1999 UX12)
Classification: Main-belt Asteroid          SPK-ID: 2066814
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1111576758177683 3.7687e-08  
a 2.582720353650823 1.0692e-08 au
q 2.295631161851754 9.9554e-08 au
i 2.875618343032095 3.9465e-06 deg
node 260.4846268384226 7.1841e-05 deg
peri 176.5822032074299 7.39e-05 deg
M 341.0090995955121 1.6068e-05 deg
tp 2459280.475609751336
(2021-Mar-06.97560975)
6.7572e-05 TDB
period 1516.053420177851
4.15
9.4145e-06
2.578e-08
d
yr
n .2374586510004164 1.4746e-09 deg/d
Q 2.869809545449894 1.1881e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1086  
   data-arc span      10190 days (27.90 yr)  
   first obs. used      1993-03-21  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49632  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:25:05  

Additional Information
 Earth MOID = 1.31053 au 
 Jupiter MOID = 2.34606 au 
 T_jup = 3.413 
[ 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 15.22   n/a MPCxxxxx  

66814 (1999 UX12)          Discovered 1999-Oct-29 by CSS at Catalina
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 UX12 = 1993 FQ27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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