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190780 (2001 QA279)
Classification: Main-belt Asteroid          SPK-ID: 2190780
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 .175190385091939 3.3372e-08  
a 2.328096649526738 8.1206e-09 au
q 1.920236500964896 7.8832e-08 au
i 6.445465330513287 3.4612e-06 deg
node 92.96782849393256 3.3507e-05 deg
peri 323.0263752857551 3.538e-05 deg
M 97.30330323127939 1.0568e-05 deg
tp 2458849.808678425364
(2020-Jan-01.30867843)
3.7657e-05 TDB
period 1297.477799564409
3.55
6.7886e-06
1.859e-08
d
yr
n .2774613948083426 1.4517e-09 deg/d
Q 2.73595679808858 9.5433e-09 au
  Orbit Determination Parameters
   # obs. used (total)      609  
   data-arc span      8119 days (22.23 yr)  
   first obs. used      1998-12-14  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52023  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:09:05  

Additional Information
 Earth MOID = .936203 au 
 Jupiter MOID = 2.60492 au 
 T_jup = 3.544 
[ 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 16.54   n/a E2021B55  

190780 (2001 QA279)          Discovered 2001-Aug-19 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

[ show close-approach data ]
Alternate Designations
 2001 QA279 = 1998 XM50 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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