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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2047701041021015 3.3322e-08  
a 3.208265089306753 1.5644e-08 au
q 2.551308312982271 1.0473e-07 au
i .8294637332766773 3.977e-06 deg
node 31.7357111958909 0.0002629 deg
peri 274.9074527036084 0.00026307 deg
M 141.7953939115405 1.094e-05 deg
tp 2458373.770532141835
(2018-Sep-12.27053214)
6.1199e-05 TDB
period 2098.958225784206
5.75
1.5353e-05
4.203e-08
d
yr
n .1715136564309173 1.2545e-09 deg/d
Q 3.865221865631235 1.8848e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1848  
   data-arc span      17313 days (47.40 yr)  
   first obs. used      1973-09-19  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51462  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:38:57  

Additional Information
 Earth MOID = 1.53458 au 
 Jupiter MOID = 1.40234 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 13.57   n/a E2020-QM5  
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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