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150021 (2005 UB448)
Classification: Main-belt Asteroid          SPK-ID: 2150021
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 .05381402765728284 4.2146e-08  
a 2.756782490900701 1.7537e-08 au
q 2.608428921690258 1.1909e-07 au
i 3.924500967558171 4.7539e-06 deg
node 331.9331081081624 6.067e-05 deg
peri 196.8124717540231 7.3102e-05 deg
M 340.3653310643066 4.0054e-05 deg
tp 2459291.684970454133
(2021-Mar-18.18497045)
0.00018601 TDB
period 1671.868747621878
4.58
1.5953e-05
4.368e-08
d
yr
n .2153279080741691 2.0547e-09 deg/d
Q 2.905136060111145 1.8481e-08 au
  Orbit Determination Parameters
   # obs. used (total)      544  
   data-arc span      8413 days (23.03 yr)  
   first obs. used      1998-03-03  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56434  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:16:47  

Additional Information
 Earth MOID = 1.61454 au 
 Jupiter MOID = 2.06771 au 
 T_jup = 3.338 
[ 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 15.6   n/a MPO268105  

150021 (2005 UB448)          Discovered 2005-Oct-30 by LINEAR at Socorro
Reference: 20070202/Numbers.arcLast Updated: 2007-02-06

[ show close-approach data ]
Alternate Designations
 2005 UB448 = 1998 ET18 = 2000 SX52 = 2003 HA1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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