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120858 (1998 QT44)
Classification: Main-belt Asteroid          SPK-ID: 2120858
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1894323620199595 4.658e-08  
a 2.125088849758927 1.3513e-08 au
q 1.722528249446815 1.0156e-07 au
i 1.458475386848195 5.6836e-06 deg
node 248.0119332758999 0.0001997 deg
peri 82.27348963787389 0.00020184 deg
M 14.7951001044747 4.2156e-05 deg
tp 2458953.997160406682
(2020-Apr-14.49716041)
0.00013211 TDB
period 1131.524770726711
3.10
1.0793e-05
2.955e-08
d
yr
n .3181547671897572 3.0346e-09 deg/d
Q 2.527649450071039 1.6073e-08 au
  Orbit Determination Parameters
   # obs. used (total)      354  
   data-arc span      8092 days (22.15 yr)  
   first obs. used      1997-03-15  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61604  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:58:23  

Additional Information
 Earth MOID = .712364 au 
 Jupiter MOID = 2.81713 au 
 T_jup = 3.703 
[ 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 17.0   n/a MPO351699  

120858 (1998 QT44)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 1998 QT44 = 2001 OC14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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