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11825 (1982 UW1)
Classification: Main-belt Asteroid          SPK-ID: 2011825
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1761971203899964 3.6964e-08  
a 3.172394978519113 1.6852e-08 au
q 2.613428118564361 1.2116e-07 au
i 9.948880575459961 5.0262e-06 deg
node 197.6388562699571 2.0451e-05 deg
peri 140.54811646889 2.4748e-05 deg
M 267.4277658084351 1.5621e-05 deg
tp 2459531.210343573053
(2021-Nov-12.71034357)
9.1647e-05 TDB
period 2063.855597251081
5.65
1.6445e-05
4.502e-08
d
yr
n .1744308082791723 1.3899e-09 deg/d
Q 3.731361838473865 1.9821e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2197  
   data-arc span      13862 days (37.95 yr)  
   first obs. used      1982-10-16  
   last obs. used      2020-09-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45507  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:57:02  

Additional Information
 Earth MOID = 1.6145 au 
 Jupiter MOID = 1.77915 au 
 T_jup = 3.154 
[ 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 12.3   n/a MPO473926  
diameter diameter 17.629 km 0.187 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.082   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

11825 (1982 UW1)          Discovered 1982-Oct-16 by Mrkos, A. at Klet
Reference: 19991026/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1982 UW1 = 1976 SQ8 = 1988 VW3 = 1998 MW11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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