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227401 (2005 UM403)
Classification: Main-belt Asteroid          SPK-ID: 2227401
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1350818975504352 6.4559e-08  
a 2.446246704736172 1.4734e-08 au
q 2.115803057983911 1.5161e-07 au
i 2.739019141460545 5.4806e-06 deg
node 167.0270441874955 9.2502e-05 deg
peri 41.51828430818852 9.3605e-05 deg
M 165.2151264483896 1.3984e-05 deg
tp 2458559.148501684766
(2019-Mar-16.64850168)
5.3147e-05 TDB
period 1397.490316757462
3.83
1.2626e-05
3.457e-08
d
yr
n .2576046471901808 2.3274e-09 deg/d
Q 2.776690351488434 1.6725e-08 au
  Orbit Determination Parameters
   # obs. used (total)      384  
   data-arc span      8923 days (24.43 yr)  
   first obs. used      1996-05-11  
   last obs. used      2020-10-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58345  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:39:37  

Additional Information
 Earth MOID = 1.11097 au 
 Jupiter MOID = 2.18253 au 
 T_jup = 3.484 
[ 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 16.9   n/a MPO433489  

227401 (2005 UM403)          Discovered 2005-Oct-29 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2005 UM403 = 1996 JU6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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