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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 ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2047488907255625 3.4122e-08  
a 3.206121793472361 1.5907e-08 au
q 2.549671912727844 1.0781e-07 au
i .8297614963983815 4.3332e-06 deg
node 31.74546960815075 0.00027304 deg
peri 274.7137111073344 0.00027323 deg
M 39.04419175952754 1.088e-05 deg
tp 2458373.083282077053
(2018-Sep-11.58328208)		 6.2778e-05 TDB
period 2096.855249469543
5.74		 1.5605e-05
4.272e-08		 d
yr
n .1716856707639079 1.2777e-09 deg/d
Q 3.862571674216878 1.9164e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1645  
   data-arc span      16843 days (46.11 yr)  
   first obs. used      1973-09-19  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53299  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 03:51:52  

Additional Information
 Earth MOID = 1.53412 au 
 Jupiter MOID = 1.40206 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 13.5   n/a MPO412291  
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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