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487527 (2014 US104)
Classification: Main-belt Asteroid          SPK-ID: 2487527
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02484461568291515 1.2633e-07  
a 3.101783688688913 8.1804e-08 au
q 3.024721065011902 3.5347e-07 au
i 16.40892299557369 1.0723e-05 deg
node 30.03430029059993 2.1826e-05 deg
peri 142.2852699358112 0.00012668 deg
M 221.227636274306 0.00012509 deg
tp 2459769.659084050862
(2022-Jul-09.15908405)
0.00070003 TDB
period 1995.334393854115
5.46
7.8935e-05
2.161e-07
d
yr
n .1804208863982128 7.1375e-09 deg/d
Q 3.178846312365924 8.3837e-08 au
  Orbit Determination Parameters
   # obs. used (total)      140  
   data-arc span      6735 days (18.44 yr)  
   first obs. used      2001-05-23  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68734  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 18:46:41  

Additional Information
 Earth MOID = 2.03273 au 
 Jupiter MOID = 1.79024 au 
 T_jup = 3.158 
[ 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 15.9   n/a MPO456350  

487527 (2014 US104)          Discovered 2009-Nov-19 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2017-03-14

[ show close-approach data ]
Alternate Designations
 2014 US104 = 2009 WS49 = 2010 CM211 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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