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79979 (1999 DQ2)
Classification: Main-belt Asteroid          SPK-ID: 2079979
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08570908634421459 3.2616e-08  
a 2.69086555603206 1.3863e-08 au
q 2.460233927749435 8.8231e-08 au
i 10.57513427970157 4.4595e-06 deg
node 19.90230283524417 2.0406e-05 deg
peri 256.5222640291234 3.5489e-05 deg
M 194.8365708441687 2.9363e-05 deg
tp 2459740.186711613692
(2022-Jun-09.68671161)
0.00013123 TDB
period 1612.265000442004
4.41
1.2459e-05
3.411e-08
d
yr
n .2232883551409388 1.7255e-09 deg/d
Q 2.921497184314684 1.5051e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1711  
   data-arc span      7652 days (20.95 yr)  
   first obs. used      1999-02-19  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49045  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:50:08  

Additional Information
 Earth MOID = 1.47096 au 
 Jupiter MOID = 2.19649 au 
 T_jup = 3.342 
[ 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 14.0   n/a MPO319999  

79979 (1999 DQ2)          Discovered 1999-Feb-19 by Kobayashi, T. at Oizumi
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1999 DQ2 = 2001 QM75 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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