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JPL Small-Body Database Browser
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117556 (2005 EQ14)
Classification: Main-belt Asteroid          SPK-ID: 2117556
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1866324981942946 4.5564e-08  
a 2.342969722498904 1.1728e-08 au
q 1.90569542999534 1.0693e-07 au
i 5.254363871180183 5.045e-06 deg
node 359.2995395947346 4.864e-05 deg
peri 209.0515015819363 5e-05 deg
M 309.2897728429898 1.2242e-05 deg
tp 2458785.019171800138
(2019-Oct-28.51917180)
4.4995e-05 TDB
period 1309.931064642587
3.59
9.8353e-06
2.693e-08
d
yr
n .2748236221867335 2.0634e-09 deg/d
Q 2.780244015002467 1.3917e-08 au
  Orbit Determination Parameters
   # obs. used (total)      290  
   data-arc span      8089 days (22.15 yr)  
   first obs. used      1996-12-09  
   last obs. used      2019-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6156  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 02:39:50  

Additional Information
 Earth MOID = .903516 au 
 Jupiter MOID = 2.19264 au 
 T_jup = 3.534 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456831.5 (2014-Jun-23.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1871060981412576 4.5464e-08  
q 1.904229895828809 1.0674e-07 au
tp 2457474.677077860923
(2016-Mar-27.17707786)
4.2604e-05 TDB
node 359.3236674550463 4.8641e-05 deg
peri 209.0270642074539 5.0001e-05 deg
i 5.255327217868406 5.0448e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      290  
   data-arc span      8089 days (22.15 yr)  
   first obs. used      1996-12-09  
   last obs. used      2019-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6156  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 02:39:50  

Additional Information
 Jupiter MOID = 2.19264 au 
 T_jup = 3.534 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.067013185898124E-15 -4.833524910612636E-15 -2.1046640679529E-14 -4.21864935191503E-15 5.444847475385672E-14 3.246526867658758E-16
q -4.833524910612636E-15 1.139275080203586E-14 9.766855399556024E-14 9.557132615396949E-15 -1.273994176904235E-13 -4.575656013908614E-16
tp -2.1046640679529E-14 9.766855399556024E-14 1.815087605006888E-9 1.60590760839073E-11 5.029995482174113E-10 3.26395906085149E-12
node -4.21864935191503E-15 9.557132615396949E-15 1.60590760839073E-11 2.365924404426586E-9 -2.351017204867719E-9 1.169167721466238E-11
peri 5.444847475385672E-14 -1.273994176904235E-13 5.029995482174113E-10 -2.351017204867719E-9 2.500136511697296E-9 -1.071797895206902E-11
i 3.246526867658758E-16 -4.575656013908614E-16 3.26395906085149E-12 1.169167721466238E-11 -1.071797895206902E-11 2.545047130674997E-11

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 16.9   n/a MPO426742  
diameter diameter 2.903 km 0.598 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.040   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

117556 (2005 EQ14)          Discovered 2005-Mar-03 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2005 EQ14 = 1998 HD68 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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