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100001 (1982 UC3)
Classification: Main-belt Asteroid          SPK-ID: 2100001
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3696512820878483 3.3626e-08  
a 3.075740246386905 1.5119e-08 au
q 1.938788920940791 1.0829e-07 au
i 10.73008846690601 3.8846e-06 deg
node 148.9808329129101 2.1286e-05 deg
peri 288.6275318468105 2.3635e-05 deg
M 357.1365808988759 5.1952e-06 deg
tp 2459216.171310915496
(2021-Jan-01.67131092)
2.8403e-05 TDB
period 1970.257140271171
5.39
1.4527e-05
3.977e-08
d
yr
n .1827172670215281 1.3472e-09 deg/d
Q 4.212691571833019 2.0707e-08 au
  Orbit Determination Parameters
   # obs. used (total)      782  
   data-arc span      14014 days (38.37 yr)  
   first obs. used      1982-10-19  
   last obs. used      2021-03-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4695  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:30:06  

Additional Information
 Earth MOID = .984583 au 
 Jupiter MOID = 1.31551 au 
 T_jup = 3.096 
[ 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 MPO474876  
diameter diameter 4.351 km 0.114 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.044   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100001 (1982 UC3)          Discovered 1982-Oct-20 by Aldering, G. at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1982 UC3 = 2005 AW9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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