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187977 (2001 QX205)
Classification: Main-belt Asteroid          SPK-ID: 2187977
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1544508847854416 4.1172e-08  
a 2.33762561261346 1.0883e-08 au
q 1.976577268448201 9.5501e-08 au
i 1.802648389213826 4.7158e-06 deg
node 295.3368606661784 0.00019155 deg
peri 348.3946235905358 0.00019272 deg
M 185.521514187477 2.1693e-05 deg
tp 2459833.203512213847
(2022-Sep-10.70351221)
8.025e-05 TDB
period 1305.451863227007
3.57
9.1167e-06
2.496e-08
d
yr
n .2757665833116966 1.9258e-09 deg/d
Q 2.698673956778718 1.2564e-08 au
  Orbit Determination Parameters
   # obs. used (total)      275  
   data-arc span      9633 days (26.37 yr)  
   first obs. used      1994-09-27  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58974  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:57:35  

Additional Information
 Earth MOID = .958248 au 
 Jupiter MOID = 2.43868 au 
 T_jup = 3.550 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.41   n/a MPCxxxxx  

187977 (2001 QX205)          Discovered 2001-Aug-23 by LONEOS at Anderson Mesa
Reference: 20080618/Numbers.arcLast Updated: 2008-06-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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