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70180 (1999 QM2)
Classification: Main-belt Asteroid          SPK-ID: 2070180
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .161041843170497 3.6212e-08  
a 2.438966181512531 9.4503e-09 au
q 2.046190572211244 8.4874e-08 au
i 4.464939916226457 4.9215e-06 deg
node 355.1643382733291 5.2268e-05 deg
peri 78.71706065682292 5.5362e-05 deg
M 136.9390810354164 1.813e-05 deg
tp 2458671.285173492741
(2019-Jul-06.78517349)
6.8863e-05 TDB
period 1391.256141797387
3.81
8.0861e-06
2.214e-08
d
yr
n .2587589655021468 1.5039e-09 deg/d
Q 2.831741790813817 1.0972e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1157  
   data-arc span      8504 days (23.28 yr)  
   first obs. used      1997-02-07  
   last obs. used      2020-05-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53556  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:47:57  

Additional Information
 Earth MOID = 1.06609 au 
 Jupiter MOID = 2.44011 au 
 T_jup = 3.481 
[ 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 15.36   n/a E2021B10  

70180 (1999 QM2)          Discovered 1999-Aug-31 by Sarounova, L. at Ondrejov
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

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