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215104 (1995 UL18)
Classification: Main-belt Asteroid          SPK-ID: 2215104
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 .1087310532373625 3.6683e-08  
a 2.436253944140084 1.3734e-08 au
q 2.171357486840054 8.6999e-08 au
i 4.960303511374516 7.3629e-06 deg
node 209.6557424322926 5.6193e-05 deg
peri 255.3292335781912 7.5833e-05 deg
M 92.15745161596274 4.8357e-05 deg
tp 2458644.942195500951
(2019-Jun-10.44219550)
0.00018572 TDB
period 1388.936080318941
3.80
1.1745e-05
3.216e-08
d
yr
n .2591911932457923 2.1918e-09 deg/d
Q 2.701150401440113 1.5228e-08 au
  Orbit Determination Parameters
   # obs. used (total)      345  
   data-arc span      9008 days (24.66 yr)  
   first obs. used      1995-08-28  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56788  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 09:15:11  

Additional Information
 Earth MOID = 1.19447 au 
 Jupiter MOID = 2.42655 au 
 T_jup = 3.491 
[ 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 16.7   n/a MPO470310  

215104 (1995 UL18)          Discovered 1995-Oct-18 by Spacewatch at Kitt Peak
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

[ show close-approach data ]
Alternate Designations
 1995 UL18 = 1999 VU205 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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