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134978 (2001 FH40)
Classification: Main-belt Asteroid          SPK-ID: 2134978
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1104930402634412 8.3019e-08  
a 2.543346701069105 2.2378e-08 au
q 2.262324591623986 1.9934e-07 au
i 15.48621673085579 5.9613e-06 deg
node 1.912265645772342 2.1577e-05 deg
peri 320.2962341643391 5.3073e-05 deg
M 179.9136459619878 5.9887e-05 deg
tp 2458460.096642338503
(2018-Dec-07.59664234)
0.00024138 TDB
period 1481.517465409237
4.06
1.9553e-05
5.353e-08
d
yr
n .2429940978796075 3.2071e-09 deg/d
Q 2.824368810514224 2.4851e-08 au
  Orbit Determination Parameters
   # obs. used (total)      639  
   data-arc span      10215 days (27.97 yr)  
   first obs. used      1993-03-22  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48512  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:10:58  

Additional Information
 Earth MOID = 1.26979 au 
 Jupiter MOID = 2.60123 au 
 T_jup = 3.385 
[ 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 15.2   n/a MPO412861  
diameter diameter 2.683 km 0.652 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.224   0.082 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

134978 (2001 FH40)          Discovered 2001-Mar-18 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

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