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221712 Moleson (2007 EA10)
Classification: Main-belt Asteroid          SPK-ID: 2221712
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .197139582150115 3.7883e-08  
a 2.632145201024083 1.2978e-08 au
q 2.113245195935765 9.8814e-08 au
i 5.48546757922951 4.8541e-06 deg
node 151.3976989136324 6.0712e-05 deg
peri 314.4538903436094 6.3185e-05 deg
M 137.291649706756 1.7867e-05 deg
tp 2458605.653631559929
(2019-May-02.15363156)
7.5253e-05 TDB
period 1559.779441035355
4.27
1.1535e-05
3.158e-08
d
yr
n .2308018624486024 1.7069e-09 deg/d
Q 3.151045206112401 1.5536e-08 au
  Orbit Determination Parameters
   # obs. used (total)      302  
   data-arc span      9577 days (26.22 yr)  
   first obs. used      1994-03-06  
   last obs. used      2020-05-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54947  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:16:37  

Additional Information
 Earth MOID = 1.13408 au 
 Jupiter MOID = 2.00073 au 
 T_jup = 3.365 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457315.5 (2015-Oct-20.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1979843098574936 3.7815e-08  
q 2.111207700752985 9.8714e-08 au
tp 2457047.322647493415
(2015-Jan-24.82264749)
7.0446e-05 TDB
node 151.4143816409395 6.0709e-05 deg
peri 314.703923293756 6.3151e-05 deg
i 5.485787738882197 4.8547e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      302  
   data-arc span      9577 days (26.22 yr)  
   first obs. used      1994-03-06  
   last obs. used      2020-05-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54947  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:16:37  

Additional Information
 Jupiter MOID = 2.00073 au 
 T_jup = 3.365 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.429945043068087E-15 -3.712525791739656E-15 -4.180351047082716E-13 -1.250202261211804E-14 -1.433973707561765E-13 -4.992244860995282E-16
q -3.712525791739656E-15 9.744482506773072E-15 1.320348675925232E-12 3.569289282905872E-14 4.279202485395863E-13 1.315130945480423E-15
tp -4.180351047082716E-13 1.320348675925232E-12 4.962707190860779E-9 8.964604145159122E-12 1.268410119760918E-9 -1.188896146484183E-12
node -1.250202261211804E-14 3.569289282905872E-14 8.964604145159122E-12 3.685609629375833E-9 -3.665556340898042E-9 1.141114746406489E-10
peri -1.433973707561765E-13 4.279202485395863E-13 1.268410119760918E-9 -3.665556340898042E-9 3.988078508330716E-9 -1.138867105134693E-10
i -4.992244860995282E-16 1.315130945480423E-15 -1.188896146484183E-12 1.141114746406489E-10 -1.138867105134693E-10 2.356771868870804E-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 17.06   n/a E2021B55  

221712 Moleson           Discovered 2007 Mar. 10 by P. Kocher at Marly.
The Moleson is a 2002-metre mountain in the Swiss Prealps, overlooking the region of Gruyeres in the canton of Fribourg. The summit of the mountain can be easily reached. A cable car station is located near the summit as well as a little astronomical station.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2015-03-05Last Updated: 2015-03-09

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Alternate Designations
 2007 EA10 = 2001 XN261 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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