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469402 (2001 UN88)
Classification: Main-belt Asteroid          SPK-ID: 2469402
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2434007992722294 1.0974e-06  
a 2.997447105953598 2.4433e-07 au
q 2.267866084588261 3.4708e-06 au
i 15.32448626800627 1.3081e-05 deg
node 217.8691100368548 5.1413e-05 deg
peri 179.9807276197612 7.8411e-05 deg
M 210.9837165284175 0.00019162 deg
tp 2459785.115613223387
(2022-Jul-24.61561322)
0.0011041 TDB
period 1895.508424851333
5.19
0.00023177
6.346e-07
d
yr
n .1899226588920253 2.3222e-08 deg/d
Q 3.727028127318935 3.038e-07 au
  Orbit Determination Parameters
   # obs. used (total)      69  
   data-arc span      5496 days (15.05 yr)  
   first obs. used      2001-09-20  
   last obs. used      2016-10-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .57759  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 07:42:58  

Additional Information
 Earth MOID = 1.27547 au 
 Jupiter MOID = 1.70278 au 
 T_jup = 3.156 
[ 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 16.6   n/a MPO382870  

469402 (2001 UN88)          Discovered 2001-Oct-21 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-08-22

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