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3487 Edgeworth (1978 UF)
Classification: Main-belt Asteroid          SPK-ID: 2003487
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .174131624427768 1.4211e-08  
a 2.605898330683995 7.7058e-09 au
q 2.152129021268382 3.645e-08 au
i 12.43187540842952 5.7923e-07 deg
node 194.5980921475837 1.6481e-06 deg
peri 115.355639302074 6.8141e-06 deg
M 65.49070641099138 5.7206e-06 deg
tp 2458920.980698377431
(2020-Mar-12.48069838)
2.4068e-05 TDB
period 1536.507301549529
4.21
6.8153e-06
1.866e-08
d
yr
n .2342976174841142 1.0392e-09 deg/d
Q 3.059667640099608 9.0476e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2776  
   data-arc span      23139 days (63.35 yr)  
   first obs. used      1957-10-30  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .39515  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:10:53  

Additional Information
 Earth MOID = 1.17079 au 
 Jupiter MOID = 2.35486 au 
 T_jup = 3.358 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457376.5 (2015-Dec-20.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1741433487919805 1.4233e-08  
q 2.152529325153682 3.6573e-08 au
tp 2457385.904992365740
(2015-Dec-29.40499237)
2.3407e-05 TDB
node 194.6477352226154 1.6447e-06 deg
peri 115.7346474185023 6.8257e-06 deg
i 12.43476671246857 5.7946e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2776  
   data-arc span      23139 days (63.35 yr)  
   first obs. used      1957-10-30  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .39515  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:10:53  

Additional Information
 Jupiter MOID = 2.35486 au 
 T_jup = 3.358 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.025663382523929E-16 -5.127454236956823E-16 3.282374236648104E-14 1.609222442648312E-14 1.348309633054713E-14 5.225690496869623E-15
q -5.127454236956823E-16 1.337569868084571E-15 -9.169819129565513E-14 -4.179232311793584E-14 -3.698868136971886E-14 -1.354679576412437E-14
tp 3.282374236648104E-14 -9.169819129565513E-14 5.478828950512669E-10 -6.141387909825106E-12 1.581806209192233E-10 -1.906323155594572E-12
node 1.609222442648312E-14 -4.179232311793584E-14 -6.141387909825106E-12 2.705164987886126E-12 -2.210430685246814E-12 4.093478052361078E-13
peri 1.348309633054713E-14 -3.698868136971886E-14 1.581806209192233E-10 -2.210430685246814E-12 4.659031682486129E-11 -4.297227470285859E-13
i 5.225690496869623E-15 -1.354679576412437E-14 -1.906323155594572E-12 4.093478052361078E-13 -4.297227470285859E-13 3.357697336224501E-13

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 12.63   n/a E2021B10  
diameter diameter 8.256 km 0.189 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.197   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3487 Edgeworth (1978 UF)          Discovered 1978-Oct-28 by Giclas, H. L. at Flagstaff (AM)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1978 UF = 1957 UN = 1969 PO = 1982 RN1 = 1987 YO1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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