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452977 (2007 EW152)
Classification: Main-belt Asteroid          SPK-ID: 2452977
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1560965752415047 9.5299e-08  
a 3.038704320109713 3.7831e-08 au
q 2.564372982569022 2.8251e-07 au
i 14.58248428875619 1.1665e-05 deg
node 13.04830338565173 2.713e-05 deg
peri 338.0760429927251 4.127e-05 deg
M 3.898616590064756 2.8936e-05 deg
tp 2458979.547342322995
(2020-May-10.04734232)
0.0001555 TDB
period 1934.777783212684
5.30
3.6131e-05
9.892e-08
d
yr
n .1860678797966259 3.4747e-09 deg/d
Q 3.513035657650405 4.3736e-08 au
  Orbit Determination Parameters
   # obs. used (total)      104  
   data-arc span      6768 days (18.53 yr)  
   first obs. used      2002-04-13  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47898  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 06:35:01  

Additional Information
 Earth MOID = 1.56593 au 
 Jupiter MOID = 1.95401 au 
 T_jup = 3.173 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457981.5 (2017-Aug-16.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .159386883873636 9.583e-08  
q 2.553089282193242 2.8564e-07 au
tp 2457043.867414156597
(2015-Jan-21.36741416)
0.00015458 TDB
node 13.20340851530828 2.7018e-05 deg
peri 337.9155431793534 4.0664e-05 deg
i 14.62030265843567 1.1687e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      104  
   data-arc span      6768 days (18.53 yr)  
   first obs. used      2002-04-13  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47898  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 06:35:01  

Additional Information
 Jupiter MOID = 1.95401 au 
 T_jup = 3.173 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.183298539928641E-15 -2.721775099940493E-14 6.219206382877552E-12 -4.06633289360654E-14 1.011825292175703E-12 -3.777812368444873E-14
q -2.721775099940493E-14 8.159090539165533E-14 -1.985659239485658E-11 1.19960984524105E-13 -3.177677088221212E-12 1.177222949822294E-13
tp 6.219206382877552E-12 -1.985659239485658E-11 2.389369081113251E-8 -3.954313757251729E-11 4.690114999898458E-9 -3.164338884589792E-11
node -4.06633289360654E-14 1.19960984524105E-13 -3.954313757251729E-11 7.299779531976284E-10 -7.113874066648465E-10 1.07755161379226E-10
peri 1.011825292175703E-12 -3.177677088221212E-12 4.690114999898458E-9 -7.113874066648465E-10 1.653545659908627E-9 -1.092861039574606E-10
i -3.777812368444873E-14 1.177222949822294E-13 -3.164338884589792E-11 1.07755161379226E-10 -1.092861039574606E-10 1.365758512355582E-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 16.2   n/a MPO440875  

452977 (2007 EW152)          Discovered 2007-Mar-12 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2016-01-04

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Alternate Designations
 2007 EW152 = 2004 TW175 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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