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215466 (2002 QD98)
Classification: Main-belt Asteroid          SPK-ID: 2215466
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1770719836574771 3.4126e-08  
a 2.391574271887114 1.1813e-08 au
q 1.968093471499876 8.5354e-08 au
i 3.534275556977088 3.9271e-06 deg
node 114.0344758961825 9.4865e-05 deg
peri 172.8004963737624 9.6831e-05 deg
M 10.33655318950901 1.9412e-05 deg
tp 2459161.711991784130
(2020-Nov-08.21199178)
7.2763e-05 TDB
period 1350.903217127114
3.70
1.0009e-05
2.74e-08
d
yr
n .2664883726945226 1.9745e-09 deg/d
Q 2.815055072274352 1.3905e-08 au
  Orbit Determination Parameters
   # obs. used (total)      166  
   data-arc span      9007 days (24.66 yr)  
   first obs. used      1995-10-20  
   last obs. used      2020-06-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57334  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:50:52  

Additional Information
 Earth MOID = .949826 au 
 Jupiter MOID = 2.34431 au 
 T_jup = 3.508 
[ 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 18.12   n/a E2021B55  

215466 (2002 QD98)          Discovered 2002-Aug-18 by NEAT at Palomar
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

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