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175627 (2007 RE81)
Classification: Main-belt Asteroid          SPK-ID: 2175627
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09093081585426444 6.4678e-08  
a 2.575322942446576 1.8049e-08 au
q 2.341146726201704 1.696e-07 au
i 14.56169974922961 7.4064e-06 deg
node 300.8251734263358 1.7799e-05 deg
peri 339.4267576979396 4.1625e-05 deg
M 141.9301195821248 3.4695e-05 deg
tp 2458605.361508291284
(2019-May-01.86150829)
0.00014582 TDB
period 1509.54468048036
4.13
1.5869e-05
4.345e-08
d
yr
n .2384825071129676 2.5071e-09 deg/d
Q 2.809499158691448 1.969e-08 au
  Orbit Determination Parameters
   # obs. used (total)      338  
   data-arc span      7789 days (21.33 yr)  
   first obs. used      1999-10-14  
   last obs. used      2021-02-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52581  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:06:10  

Additional Information
 Earth MOID = 1.32743 au 
 Jupiter MOID = 2.38842 au 
 T_jup = 3.377 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457831.5 (2017-Mar-19.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09150910688059685 6.4549e-08  
q 2.339321381723884 1.6945e-07 au
tp 2457098.135678151762
(2015-Mar-16.63567815)
0.00014695 TDB
node 300.8735953140459 1.7814e-05 deg
peri 339.8767581818881 4.1419e-05 deg
i 14.55487524692225 7.404e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      338  
   data-arc span      7789 days (21.33 yr)  
   first obs. used      1999-10-14  
   last obs. used      2021-02-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52581  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:06:10  

Additional Information
 Jupiter MOID = 2.38842 au 
 T_jup = 3.377 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.166520653297321E-15 -1.088718222008213E-14 2.958539543558767E-12 -1.132636547882956E-14 5.660259958837339E-13 -1.057512846345031E-14
q -1.088718222008213E-14 2.871486164072113E-14 -8.105715449336021E-12 2.929681016132097E-14 -1.547843435451217E-12 2.916776909976612E-14
tp 2.958539543558767E-12 -8.105715449336021E-12 2.159300401625477E-8 -1.597530134997607E-11 5.484909003503308E-9 -3.143886888814581E-11
node -1.132636547882956E-14 2.929681016132097E-14 -1.597530134997607E-11 3.17347010812454E-10 -3.100418129164578E-10 3.87506028073597E-11
peri 5.660259958837339E-13 -1.547843435451217E-12 5.484909003503308E-9 -3.100418129164578E-10 1.71555438102634E-9 -4.505509655702599E-11
i -1.057512846345031E-14 2.916776909976612E-14 -3.143886888814581E-11 3.87506028073597E-11 -4.505509655702599E-11 5.481879825686338E-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 16.03   n/a MPCxxxxx  

175627 (2007 RE81)          Discovered 2007-Sep-10 by CSS at Catalina
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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