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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1465203753106887 4.8321e-08  
a 3.05584150937917 2.6765e-08 au
q 2.608098464534953 1.4619e-07 au
i 4.18521454345855 7.1762e-06 deg
node 212.9431811947836 6.8748e-05 deg
peri 243.5490547478443 7.3155e-05 deg
M 127.812397432826 2.3886e-05 deg
tp 2458307.768165488419
(2018-Jul-08.26816549)
0.00012764 TDB
period 1951.168004302844
5.34
2.5634e-05
7.018e-08
d
yr
n .1845048705217102 2.424e-09 deg/d
Q 3.503584554223388 3.0686e-08 au
  Orbit Determination Parameters
   # obs. used (total)      315  
   data-arc span      9034 days (24.73 yr)  
   first obs. used      1995-07-25  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63821  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:32:08  

Additional Information
 Earth MOID = 1.62825 au 
 Jupiter MOID = 1.6998 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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