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175700 (1995 UM18)
Classification: Main-belt Asteroid          SPK-ID: 2175700
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1084684873331163 7.5355e-08  
a 2.970610512839905 2.1397e-08 au
q 2.648392884056308 2.3396e-07 au
i 10.51005696158168 5.4255e-06 deg
node 6.043211545623858 3.0832e-05 deg
peri 337.2416473935033 3.8712e-05 deg
M 354.2881391847126 2.3711e-05 deg
tp 2459230.171678369882
(2021-Jan-15.67167837)
0.00012328 TDB
period 1870.109331895578
5.12
2.0206e-05
5.532e-08
d
yr
n .1925021141063968 2.0799e-09 deg/d
Q 3.292828141623502 2.3718e-08 au
  Orbit Determination Parameters
   # obs. used (total)      335  
   data-arc span      10032 days (27.47 yr)  
   first obs. used      1993-03-24  
   last obs. used      2020-09-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58551  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 09:56:49  

Additional Information
 Earth MOID = 1.6432 au 
 Jupiter MOID = 2.14033 au 
 T_jup = 3.229 
[ 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 15.43   n/a E2021B55  

175700 (1995 UM18)          Discovered 1995-Oct-18 by Spacewatch at Kitt Peak
Reference: 20080221/Numbers.arcLast Updated: 2008-02-22

[ show close-approach data ]
Alternate Designations
 1995 UM18 = 2000 SC31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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