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181851 (1998 UX48)
Classification: Main-belt Asteroid          SPK-ID: 2181851
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1652287665984075 6.9605e-08  
a 2.427282819189434 1.0095e-08 au
q 2.026225872789258 1.6876e-07 au
i 7.034207281830117 5.6327e-06 deg
node 45.97640813613158 3.9432e-05 deg
peri 320.9652531314081 4.1462e-05 deg
M 319.4389966909631 1.3664e-05 deg
tp 2459356.127086827139
(2021-May-21.62708683)
5.2751e-05 TDB
period 1381.271336680363
3.78
8.6172e-06
2.359e-08
d
yr
n .2606294581231196 1.626e-09 deg/d
Q 2.828339765589609 1.1763e-08 au
  Orbit Determination Parameters
   # obs. used (total)      510  
   data-arc span      7501 days (20.54 yr)  
   first obs. used      1998-09-19  
   last obs. used      2019-04-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57897  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:32:19  

Additional Information
 Earth MOID = 1.02976 au 
 Jupiter MOID = 2.64303 au 
 T_jup = 3.481 
[ 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 16.3   n/a MPO469958  

181851 (1998 UX48)          Discovered 1998-Oct-17 by LONEOS at Anderson Mesa
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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