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134510 (1999 FT21)
Classification: Outer Main-belt Asteroid          SPK-ID: 2134510
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1178597291198569 5.0706e-08  
a 3.204621539613999 2.824e-08 au
q 2.826925713023434 1.6976e-07 au
i 2.439398134363326 4.9837e-06 deg
node 107.2474774182101 0.00013425 deg
peri 133.6661095013251 0.0001369 deg
M 243.3979102436422 3.1017e-05 deg
tp 2459879.183641239776
(2022-Oct-26.68364124)
0.00018652 TDB
period 2095.383636406889
5.74
2.7697e-05
7.583e-08
d
yr
n .1718062476699106 2.271e-09 deg/d
Q 3.582317366204563 3.1568e-08 au
  Orbit Determination Parameters
   # obs. used (total)      426  
   data-arc span      8853 days (24.24 yr)  
   first obs. used      1996-11-18  
   last obs. used      2021-02-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58041  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:08:42  

Additional Information
 Earth MOID = 1.81359 au 
 Jupiter MOID = 1.4268 au 
 T_jup = 3.181 
[ 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 15.34   n/a MPCxxxxx  
diameter diameter 4.181 km 0.946 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.077   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

134510 (1999 FT21)          Discovered 1999-Mar-24 by Santangelo, M. M. M. at Monte Agliale
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Alternate Designations
 1999 FT21 = 2004 BZ36 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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