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101049 (1998 QD105)
Classification: Main-belt Asteroid          SPK-ID: 2101049
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1733671236361587 3.2891e-08  
a 2.413005879469055 1.1154e-08 au
q 1.994669990828366 8.2212e-08 au
i 11.34608228290938 3.5165e-06 deg
node 134.2584962433982 2.6151e-05 deg
peri 170.8632422716636 3.0287e-05 deg
M 318.6047423427608 1.5349e-05 deg
tp 2459157.928764230154
(2020-Nov-04.42876423)
5.841e-05 TDB
period 1369.102605717065
3.75
9.4927e-06
2.599e-08
d
yr
n .2629459607313001 1.8231e-09 deg/d
Q 2.831341768109744 1.3087e-08 au
  Orbit Determination Parameters
   # obs. used (total)      527  
   data-arc span      8093 days (22.16 yr)  
   first obs. used      1998-06-23  
   last obs. used      2020-08-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57594  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:02:44  

Additional Information
 Earth MOID = .980621 au 
 Jupiter MOID = 2.43496 au 
 T_jup = 3.472 
[ 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 16.2   n/a MPO366384  

101049 (1998 QD105)          Discovered 1998-Aug-25 by Elst, E. W. at La Silla
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 QD105 = 2002 UR7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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