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180227 (2003 UN131)
Classification: Main-belt Asteroid          SPK-ID: 2180227
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04164786070165864 4.4522e-08  
a 2.277162966215446 1.1183e-08 au
q 2.18232400020353 1.0001e-07 au
i 6.673813955332217 4.2735e-06 deg
node 317.7907656019128 3.6738e-05 deg
peri 220.1303537748615 6.0856e-05 deg
M 222.6853426043673 5.0154e-05 deg
tp 2459679.244714316042
(2022-Apr-09.74471432)
0.00017622 TDB
period 1255.132557751673
3.44
9.2454e-06
2.531e-08
d
yr
n .2868222944075885 2.1128e-09 deg/d
Q 2.372001932227363 1.1648e-08 au
  Orbit Determination Parameters
   # obs. used (total)      446  
   data-arc span      7291 days (19.96 yr)  
   first obs. used      2001-01-19  
   last obs. used      2021-01-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54355  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:25:39  

Additional Information
 Earth MOID = 1.19129 au 
 Jupiter MOID = 2.61023 au 
 T_jup = 3.598 
[ 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 16.85   n/a E2021B55  

180227 (2003 UN131)          Discovered 2003-Oct-19 by NEAT at Palomar
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

Alternate Designations
 2003 UN131 = 2007 YT44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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