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181559 (2006 US284)
Classification: Main-belt Asteroid          SPK-ID: 2181559
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1305367643871571 3.2892e-08  
a 2.592087215781123 1.6497e-08 au
q 2.253724537623741 8.9554e-08 au
i 5.818484582342374 6.3175e-06 deg
node 226.5260089227862 5.8484e-05 deg
peri 46.05917532834182 6.6266e-05 deg
M 254.7652334768127 3.0912e-05 deg
tp 2459646.083995192920
(2022-Mar-07.58399519)
0.00013131 TDB
period 1524.308397017317
4.17
1.4552e-05
3.984e-08
d
yr
n .2361726804788508 2.2547e-09 deg/d
Q 2.930449893938506 1.8651e-08 au
  Orbit Determination Parameters
   # obs. used (total)      535  
   data-arc span      7683 days (21.03 yr)  
   first obs. used      2000-04-04  
   last obs. used      2021-04-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54391  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:09:39  

Additional Information
 Earth MOID = 1.24051 au 
 Jupiter MOID = 2.16154 au 
 T_jup = 3.400 
[ 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 15.95   n/a MPCxxxxx  

181559 (2006 US284)          Discovered 2006-Oct-28 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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