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190685 (2001 DF25)
Classification: Main-belt Asteroid          SPK-ID: 2190685
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07972774324420881 7.2044e-08  
a 2.862665289048112 2.7157e-08 au
q 2.634431445888775 2.1859e-07 au
i 14.63789013024743 7.7742e-06 deg
node 336.2127890115743 2.3229e-05 deg
peri 162.9143368442917 4.9645e-05 deg
M 41.59788741418469 4.1773e-05 deg
tp 2458996.080152799256
(2020-May-26.58015280)
0.00020533 TDB
period 1769.10774962032
4.84
2.5175e-05
6.893e-08
d
yr
n .2034924102713709 2.8957e-09 deg/d
Q 3.090899132207448 2.9323e-08 au
  Orbit Determination Parameters
   # obs. used (total)      209  
   data-arc span      7045 days (19.29 yr)  
   first obs. used      2001-02-01  
   last obs. used      2020-05-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58924  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:08:42  

Additional Information
 Earth MOID = 1.64935 au 
 Jupiter MOID = 1.92084 au 
 T_jup = 3.248 
[ 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 16.10   n/a E2021B55  

190685 (2001 DF25)          Discovered 2001-Feb-17 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

[ show close-approach data ]
Alternate Designations
 2001 DF25 = 2003 SL100 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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