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243538 (2010 FG21)
Classification: Outer Main-belt Asteroid          SPK-ID: 2243538
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08494243021898853 5.6444e-08  
a 3.201239926834258 4.9255e-08 au
q 2.929318827734899 1.9243e-07 au
i 6.983140427133263 9.1273e-06 deg
node 35.37770318445202 5.6091e-05 deg
peri 260.162374326804 8.0838e-05 deg
M 107.5132432280464 5.5936e-05 deg
tp 2457975.708336212555
(2017-Aug-10.20833621)
0.00032835 TDB
period 2092.067844017985
5.73
4.8283e-05
1.322e-07
d
yr
n .1720785494740892 3.9714e-09 deg/d
Q 3.473161025933617 5.3439e-08 au
  Orbit Determination Parameters
   # obs. used (total)      152  
   data-arc span      8424 days (23.06 yr)  
   first obs. used      1995-09-25  
   last obs. used      2018-10-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58035  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 04:10:40  

Additional Information
 Earth MOID = 1.92371 au 
 Jupiter MOID = 1.70999 au 
 T_jup = 3.177 
[ 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 15.9   n/a MPO460068  
diameter diameter 5.494 km 0.372 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.023   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243538 (2010 FG21)          Discovered 2010-Mar-18 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

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