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180246 (2003 UO261)
Classification: Main-belt Asteroid          SPK-ID: 2180246
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06535157639614024 4.3277e-08  
a 2.226577987297832 1.4918e-08 au
q 2.081067605858974 9.7108e-08 au
i 5.121898686782639 6.4077e-06 deg
node 211.5930819259565 5.2806e-05 deg
peri 258.5186899585813 7.6263e-05 deg
M 348.0185481711638 5.783e-05 deg
tp 2459240.888919869155
(2021-Jan-26.38891987)
0.00019508 TDB
period 1213.543346884041
3.32
1.2196e-05
3.339e-08
d
yr
n .2966519497835452 2.9814e-09 deg/d
Q 2.372088368736691 1.5893e-08 au
  Orbit Determination Parameters
   # obs. used (total)      218  
   data-arc span      6322 days (17.31 yr)  
   first obs. used      2003-09-28  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57713  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:25:44  

Additional Information
 Earth MOID = 1.10476 au 
 Jupiter MOID = 2.69108 au 
 T_jup = 3.637 
[ 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 17.4   n/a MPO440013  

180246 (2003 UO261)          Discovered 2003-Oct-26 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

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