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227907 (2007 EO180)
Classification: Outer Main-belt Asteroid          SPK-ID: 2227907
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03680296094232088 1.0156e-07  
a 3.249201247002352 5.5515e-08 au
q 3.129621020415184 3.6794e-07 au
i 8.904153305351601 6.1471e-06 deg
node 210.6505204134191 3.4334e-05 deg
peri 182.4413225307251 8.7456e-05 deg
M 295.8720427003477 8.3425e-05 deg
tp 2459581.573061696137
(2022-Jan-02.07306170)
0.00049969 TDB
period 2139.25888157603
5.86
5.4826e-05
1.501e-07
d
yr
n .1682825781865081 4.3129e-09 deg/d
Q 3.368781473589519 5.7558e-08 au
  Orbit Determination Parameters
   # obs. used (total)      241  
   data-arc span      6287 days (17.21 yr)  
   first obs. used      2003-08-23  
   last obs. used      2020-11-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51915  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:41:37  

Additional Information
 Earth MOID = 2.13397 au 
 Jupiter MOID = 1.83364 au 
 T_jup = 3.162 
[ show covariance matrix ]

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 15.53   n/a E2021B55  

227907 (2007 EO180)          Discovered 2007-Mar-14 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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