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15912 (1997 TR26)
Classification: Main-belt Asteroid          SPK-ID: 2015912
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1914391277077256 3.7347e-08  
a 2.431101209029344 1.0595e-08 au
q 1.965693314203569 9.0128e-08 au
i 3.636887035648692 4.9544e-06 deg
node 45.76122314559453 5.2817e-05 deg
peri 299.1676535606462 5.4118e-05 deg
M 79.00510493133088 1.2887e-05 deg
tp 2458896.652519670640
(2020-Feb-17.15251967)
4.8657e-05 TDB
period 1384.531961746574
3.79
9.0512e-06
2.478e-08
d
yr
n .2600156659047896 1.6998e-09 deg/d
Q 2.896509103855118 1.2624e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1599  
   data-arc span      15475 days (42.37 yr)  
   first obs. used      1978-10-28  
   last obs. used      2021-03-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50336  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:12:17  

Additional Information
 Earth MOID = .959798 au 
 Jupiter MOID = 2.51959 au 
 T_jup = 3.479 
[ 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 14.52   n/a E2021B10  
diameter diameter 6.987 km 0.182 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.069   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15912 (1997 TR26)          Discovered 1997-Oct-13 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 TR26 = 1978 UR3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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