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21260 (1996 FE)
Classification: Inner Main-belt Asteroid          SPK-ID: 2021260
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09441196075104803 3.1115e-08  
a 1.927879666391413 5.3141e-09 au
q 1.745864766995323 5.8912e-08 au
i 22.68518069716877 4.7749e-06 deg
node 206.2729510960464 7.6754e-06 deg
peri 245.7728491030541 2.4637e-05 deg
M 194.4936218351758 2.3506e-05 deg
tp 2459650.000878920925
(2022-Mar-11.50087892)
6.4378e-05 TDB
period 977.7285818579132
2.68
4.0426e-06
1.107e-08
d
yr
n .3682003438172133 1.5224e-09 deg/d
Q 2.109894565787502 5.8158e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1304  
   data-arc span      11199 days (30.66 yr)  
   first obs. used      1989-11-22  
   last obs. used      2020-07-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51742  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:42:25  

Additional Information
 Earth MOID = .820384 au 
 Jupiter MOID = 3.09339 au 
 T_jup = 3.817 
[ 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 15.41   n/a E2021B10  
diameter diameter 1.570 km 0.211 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.716   0.121 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

21260 (1996 FE)          Discovered 1996-Mar-16 by JPL/GEODSS NEAT at Haleakala
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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