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187330 (2005 UN84)
Classification: Main-belt Asteroid          SPK-ID: 2187330
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1214060865238926 5.2009e-08  
a 2.8716550493032 2.4205e-08 au
q 2.523018647920722 1.4438e-07 au
i 1.730864992602725 6.1385e-06 deg
node 184.8046246945952 0.00017147 deg
peri 74.06517729644369 0.00017341 deg
M 168.5268880383815 2.6398e-05 deg
tp 2458368.422971167406
(2018-Sep-06.92297117)
0.00012889 TDB
period 1777.447705030385
4.87
2.2473e-05
6.153e-08
d
yr
n .2025376043307253 2.5608e-09 deg/d
Q 3.220291450685677 2.7144e-08 au
  Orbit Determination Parameters
   # obs. used (total)      240  
   data-arc span      9253 days (25.33 yr)  
   first obs. used      1995-09-17  
   last obs. used      2021-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65106  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 11:56:36  

Additional Information
 Earth MOID = 1.50683 au 
 Jupiter MOID = 1.82989 au 
 T_jup = 3.286 
[ 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 16.5   n/a MPO449934  

187330 (2005 UN84)          Discovered 2005-Oct-22 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

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