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JPL Small-Body Database Browser
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14778 (2216 T-2)
Classification: Outer Main-belt Asteroid          SPK-ID: 2014778
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2048429366768802 3.364e-08  
a 3.207577895201054 1.5833e-08 au
q 2.550528219528224 1.0603e-07 au
i .829508905792524 4.3246e-06 deg
node 31.74125093244231 0.00026824 deg
peri 274.8368565042591 0.00026843 deg
M 107.5668833320593 1.1053e-05 deg
tp 2458373.539284454499
(2018-Sep-12.03928445)		 6.2707e-05 TDB
period 2098.283882592615
5.74		 1.5536e-05
4.254e-08		 d
yr
n .1715687772215017 1.2703e-09 deg/d
Q 3.864627570873884 1.9076e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1699  
   data-arc span      16877 days (46.21 yr)  
   first obs. used      1973-09-19  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .526  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 23:50:44  

Additional Information
 Earth MOID = 1.53579 au 
 Jupiter MOID = 1.40296 au 
 T_jup = 3.159 
[ 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 13.6   n/a MPO502282  
diameter diameter 9.572 km 0.190 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.084   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

14778 (2216 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20000418/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2216 T-2 = 1990 RX1 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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