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190858 (2001 SP271)
Classification: Main-belt Asteroid          SPK-ID: 2190858
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2305312607863743 3.8727e-08  
a 2.366312241708888 8.558e-09 au
q 1.820803297213507 9.4584e-08 au
i .9881444895226843 4.1787e-06 deg
node 241.0575894493976 0.00030957 deg
peri 169.8757659215422 0.00030995 deg
M 77.96177538686361 1.5026e-05 deg
tp 2458912.570792183159
(2020-Mar-04.07079218)
5.4622e-05 TDB
period 1329.555596953841
3.64
7.2127e-06
1.975e-08
d
yr
n .27076716522784 1.4689e-09 deg/d
Q 2.91182118620427 1.0531e-08 au
  Orbit Determination Parameters
   # obs. used (total)      477  
   data-arc span      7141 days (19.55 yr)  
   first obs. used      2001-08-24  
   last obs. used      2021-03-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53511  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:09:24  

Additional Information
 Earth MOID = .830685 au 
 Jupiter MOID = 2.46826 au 
 T_jup = 3.511 
[ 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 16.9   n/a MPO418026  

190858 (2001 SP271)          Discovered 2001-Sep-20 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

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