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187998 (2001 SO175)
Classification: Main-belt Asteroid          SPK-ID: 2187998
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0861161793414159 3.7342e-08  
a 2.539680404809737 1.5286e-08 au
q 2.320972831599262 9.6508e-08 au
i 4.794833387150337 4.2486e-06 deg
node 97.83991019729724 5.3694e-05 deg
peri 294.0290492180336 6.0561e-05 deg
M 252.0570111474213 3.0306e-05 deg
tp 2459643.760434113081
(2022-Mar-05.26043411)
0.00012614 TDB
period 1478.315154851274
4.05
1.3347e-05
3.654e-08
d
yr
n .2435204691087794 2.1986e-09 deg/d
Q 2.758387978020211 1.6602e-08 au
  Orbit Determination Parameters
   # obs. used (total)      487  
   data-arc span      6877 days (18.83 yr)  
   first obs. used      2001-09-16  
   last obs. used      2020-07-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .62255  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:57:40  

Additional Information
 Earth MOID = 1.33074 au 
 Jupiter MOID = 2.59027 au 
 T_jup = 3.436 
[ 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 16.37   n/a E2021B55  

187998 (2001 SO175)          Discovered 2001-Sep-16 by LINEAR at Socorro
Reference: 20080618/Numbers.arcLast Updated: 2008-06-20

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