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16780 (1996 XT1)
Classification: Main-belt Asteroid          SPK-ID: 2016780
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07732937772736662 2.5973e-08  
a 2.876500111019327 1.1499e-08 au
q 2.654062147401502 7.3011e-08 au
i 3.227131583936305 3.1899e-06 deg
node 79.60784937626791 5.0714e-05 deg
peri 270.3513120740091 5.5652e-05 deg
M 71.71336447075781 2.1667e-05 deg
tp 2458845.529210144163
(2019-Dec-28.02921014)
0.00010758 TDB
period 1781.94797149992
4.88
1.0685e-05
2.925e-08
d
yr
n .2020261005134606 1.2114e-09 deg/d
Q 3.098938074637153 1.2388e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2314  
   data-arc span      9746 days (26.68 yr)  
   first obs. used      1994-06-08  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51027  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:41:29  

Additional Information
 Earth MOID = 1.64848 au 
 Jupiter MOID = 2.23612 au 
 T_jup = 3.289 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.8   n/a MPO435855  
diameter diameter 4.507 km 0.730 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.288   0.098 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

16780 (1996 XT1)          Discovered 1996-Dec-02 by Kobayashi, T. at Oizumi
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1996 XT1 = 1994 LW7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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