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190984 (2001 XM173)
Classification: Main-belt Asteroid          SPK-ID: 2190984
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 .1925272161166204 3.7233e-08  
a 2.444841533317313 9.995e-09 au
q 1.974142999061441 8.9465e-08 au
i 1.389527531984022 4.1451e-06 deg
node 251.3824072081984 0.00016089 deg
peri 170.3195362641757 0.0001617 deg
M 11.12985206858364 1.2279e-05 deg
tp 2459157.332053444206
(2020-Nov-03.83205344)
4.7727e-05 TDB
period 1396.286371492034
3.82
8.5625e-06
2.344e-08
d
yr
n .2578267663067667 1.5811e-09 deg/d
Q 2.915540067573185 1.1919e-08 au
  Orbit Determination Parameters
   # obs. used (total)      530  
   data-arc span      8475 days (23.20 yr)  
   first obs. used      1997-11-29  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49891  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:09:55  

Additional Information
 Earth MOID = .986445 au 
 Jupiter MOID = 2.41068 au 
 T_jup = 3.473 
[ 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 16.95   n/a E2021B55  

190984 (2001 XM173)          Discovered 2001-Dec-14 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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