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452577 (2005 EA189)
Classification: Main-belt Asteroid          SPK-ID: 2452577
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4164288370040261 6.3821e-08  
a 3.153827502612916 4.2815e-08 au
q 1.840482783588508 2.1263e-07 au
i 19.38540628250979 1.6611e-05 deg
node 313.1666559948853 1.7472e-05 deg
peri 266.7321416087444 3.4606e-05 deg
M 309.6402585426827 3.0373e-05 deg
tp 2459682.678051268114
(2022-Apr-13.17805127)
0.00017736 TDB
period 2045.763053486676
5.60
4.1658e-05
1.141e-07
d
yr
n .1759734586009057 3.5834e-09 deg/d
Q 4.467172221637325 6.0644e-08 au
  Orbit Determination Parameters
   # obs. used (total)      238  
   data-arc span      7473 days (20.46 yr)  
   first obs. used      2000-08-01  
   last obs. used      2021-01-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58852  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 15:19:44  

Additional Information
 Earth MOID = .95094 au 
 Jupiter MOID = 1.61068 au 
 T_jup = 2.985 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457496.5 (2016-Apr-18.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4177470686339471 6.3874e-08  
q 1.834902326733584 2.1308e-07 au
tp 2457637.601213552157
(2016-Sep-06.10121355)
0.00014387 TDB
node 313.2275107932123 1.7476e-05 deg
peri 266.6174642028969 3.4534e-05 deg
i 19.39370784948334 1.6618e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      238  
   data-arc span      7473 days (20.46 yr)  
   first obs. used      2000-08-01  
   last obs. used      2021-01-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58852  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 15:19:44  

Additional Information
 Jupiter MOID = 1.61068 au 
 T_jup = 2.985 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.079874730189563E-15 -1.353176096451109E-14 -6.492341887064685E-12 1.612304060439969E-15 -1.227735667214982E-12 -8.018269861204142E-14
q -1.353176096451109E-14 4.540449179251284E-14 2.311209020948565E-11 -5.077212371738577E-15 4.404950443067705E-12 2.748601767447177E-13
tp -6.492341887064685E-12 2.311209020948565E-11 2.069813730548727E-8 -3.940864205186025E-12 4.286388332801605E-9 2.370335232267245E-10
node 1.612304060439969E-15 -5.077212371738577E-15 -3.940864205186025E-12 3.054037458747884E-10 -2.87966853345706E-10 1.11024950989728E-10
peri -1.227735667214982E-12 4.404950443067705E-12 4.286388332801605E-9 -2.87966853345706E-10 1.192565984320032E-9 -5.594126748751897E-11
i -8.018269861204142E-14 2.748601767447177E-13 2.370335232267245E-10 1.11024950989728E-10 -5.594126748751897E-11 2.761544945340589E-10

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 15.79   n/a MPCxxxxx  
diameter diameter 3.318 km 0.705 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.064   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

452577 (2005 EA189)          Discovered 2005-Mar-10 by Siding Spring Survey at Siding Spring
Reference: Last Updated: 2016-01-04

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