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447770 (2007 MU4)
Classification: Main-belt Asteroid          SPK-ID: 2447770
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1982437780581323 5.1331e-08  
a 2.34296210730469 1.767e-08 au
q 1.878484447305565 1.2022e-07 au
i 3.380238549886069 6.1964e-06 deg
node 118.8230756950569 0.00012205 deg
peri 167.3210726762209 0.00012446 deg
M 197.0449062666464 2.1354e-05 deg
tp 2459593.441385368199
(2022-Jan-13.94138537)
7.8753e-05 TDB
period 1309.92467827878
3.59
1.4819e-05
4.057e-08
d
yr
n .2748249620528062 3.109e-09 deg/d
Q 2.807439767303815 2.1173e-08 au
  Orbit Determination Parameters
   # obs. used (total)      101  
   data-arc span      8154 days (22.32 yr)  
   first obs. used      1996-04-11  
   last obs. used      2018-08-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50608  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:18:55  

Additional Information
 Earth MOID = .862256 au 
 Jupiter MOID = 2.35614 au 
 T_jup = 3.534 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.8   n/a MPO456122  

447770 (2007 MU4)          Discovered 2007-Jun-09 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-10-28

Alternate Designations
 2007 MU4 = 2011 QA16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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