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441905 (2010 EH104)
Classification: Main-belt Asteroid          SPK-ID: 2441905
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1497636437471666 5.5275e-08  
a 2.32275760956363 3.5151e-08 au
q 1.974892966413923 1.4876e-07 au
i 10.3939022413011 5.2169e-06 deg
node 318.4037215575676 2.8813e-05 deg
peri 156.6984038018 3.7712e-05 deg
M 5.319164349852975 2.0154e-05 deg
tp 2458981.395082236066
(2020-May-11.89508224)
7.2532e-05 TDB
period 1293.017087393877
3.54
2.9351e-05
8.036e-08
d
yr
n .2784185943942884 6.3201e-09 deg/d
Q 2.670622252713338 4.0415e-08 au
  Orbit Determination Parameters
   # obs. used (total)      257  
   data-arc span      6690 days (18.32 yr)  
   first obs. used      2001-09-29  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44967  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:38:17  

Additional Information
 Earth MOID = .99502 au 
 Jupiter MOID = 2.41728 au 
 T_jup = 3.540 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457929.5 (2017-Jun-25.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1491159485933036 5.5553e-08  
q 1.976873373716168 1.4955e-07 au
tp 2457689.273178388615
(2016-Oct-27.77317839)
8.7304e-05 TDB
node 318.4609043708259 2.8815e-05 deg
peri 156.9063385894291 3.777e-05 deg
i 10.39206137963461 5.2166e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      257  
   data-arc span      6690 days (18.32 yr)  
   first obs. used      2001-09-29  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44967  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:38:17  

Additional Information
 Jupiter MOID = 2.41728 au 
 T_jup = 3.540 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.08617494336674E-15 -8.204794454847085E-15 2.326619127953322E-12 1.535070758138641E-14 6.783293248471793E-13 -4.709418420906634E-15
q -8.204794454847085E-15 2.236632008425113E-14 -7.029135108181405E-12 -3.694623521166797E-14 -2.014001565706103E-12 1.440845665868731E-14
tp 2.326619127953322E-12 -7.029135108181405E-12 7.622004370658991E-9 3.549601227333364E-11 2.153685518075574E-9 1.142907308763075E-11
node 1.535070758138641E-14 -3.694623521166797E-14 3.549601227333364E-11 8.303014732453956E-10 -8.056002027381899E-10 1.441719787418097E-11
peri 6.783293248471793E-13 -2.014001565706103E-12 2.153685518075574E-9 -8.056002027381899E-10 1.426573148901235E-9 -1.091573030133819E-11
i -4.709418420906634E-15 1.440845665868731E-14 1.142907308763075E-11 1.441719787418097E-11 -1.091573030133819E-11 2.721303384264935E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.1   n/a MPO456093  
diameter diameter 2.557 km 0.554 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.047   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

441905 (2010 EH104)          Discovered 2009-Dec-17 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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