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79544 (1998 QD41)
Classification: Main-belt Asteroid          SPK-ID: 2079544
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1359952602576491 5.4415e-08  
a 2.383785740250844 1.1422e-08 au
q 2.059602178106958 1.3248e-07 au
i 4.092914605964456 5.5808e-06 deg
node 174.9704984649869 6.1409e-05 deg
peri 221.5037746476629 6.4081e-05 deg
M 284.6546224541426 2.1456e-05 deg
tp 2459281.854176144465
(2021-Mar-08.35417614)
8.1404e-05 TDB
period 1344.309454821708
3.68
9.662e-06
2.645e-08
d
yr
n .267795483181918 1.9247e-09 deg/d
Q 2.70796930239473 1.2975e-08 au
  Orbit Determination Parameters
   # obs. used (total)      604  
   data-arc span      8032 days (21.99 yr)  
   first obs. used      1998-08-03  
   last obs. used      2020-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57877  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 07:35:23  

Additional Information
 Earth MOID = 1.06835 au 
 Jupiter MOID = 2.70272 au 
 T_jup = 3.521 
[ 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 15.9   n/a MPO344855  

79544 (1998 QD41)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1998 QD41 = 2000 ED27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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