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JPL Small-Body Database Browser
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173898 (2001 UN141)
Classification: Main-belt Asteroid          SPK-ID: 2173898
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1468903015593553 5.0339e-08  
a 3.055574157161467 2.8335e-08 au
q 2.606739947779046 1.5476e-07 au
i 4.185703049684173 7.28e-06 deg
node 212.9457372655531 7.6233e-05 deg
peri 243.5292108280713 8.1626e-05 deg
M 53.9822108384686 2.607e-05 deg
tp 2458307.959610284084
(2018-Jul-08.45961028)
0.0001412 TDB
period 1950.911951584631
5.34
2.7137e-05
7.43e-08
d
yr
n .1845290863627082 2.5667e-09 deg/d
Q 3.504408366543888 3.2497e-08 au
  Orbit Determination Parameters
   # obs. used (total)      297  
   data-arc span      8679 days (23.76 yr)  
   first obs. used      1995-07-25  
   last obs. used      2019-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63911  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 15:41:05  

Additional Information
 Earth MOID = 1.62697 au 
 Jupiter MOID = 1.70017 au 
 T_jup = 3.215 
[ 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 15.7   n/a MPO260228  

173898 (2001 UN141)          Discovered 2001-Oct-23 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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