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16812 (1997 UQ3)
Classification: Main-belt Asteroid          SPK-ID: 2016812
[ 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 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1402963758132736 2.8781e-08  
a 2.421405483738627 6.5665e-09 au
q 2.081691069995711 7.0456e-08 au
i 1.541645937129553 2.6938e-06 deg
node 44.48341644548618 0.00012726 deg
peri 61.81834317015912 0.00012766 deg
M 2.155367620981148 1.0359e-05 deg
tp 2459192.260164094355
(2020-Dec-08.76016409)		 3.9598e-05 TDB
period 1376.257533590352
3.77		 5.5984e-06
1.533e-08		 d
yr
n .2615789495886279 1.0641e-09 deg/d
Q 2.761119897481543 7.4878e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1965  
   data-arc span      10007 days (27.40 yr)  
   first obs. used      1993-10-10  
   last obs. used      2021-03-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47023  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:42:43  

Additional Information
 Earth MOID = 1.0989 au 
 Jupiter MOID = 2.35451 au 
 T_jup = 3.499 
[ 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 14.56   n/a E2021B10  
diameter diameter 3.204 km 0.058 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.299   0.081 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

16812 (1997 UQ3)          Discovered 1997-Oct-26 by Kobayashi, T. at Oizumi
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 UQ3 = 1993 TH48 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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