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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1894089957281393 3.7644e-08  
a 2.125237271304954 7.4586e-09 au
q 1.722698214063072 7.6841e-08 au
i 1.458414532168002 5.2691e-06 deg
node 248.0135360892605 0.00014447 deg
peri 82.30480644109016 0.00014586 deg
M 78.39817872534327 2.3624e-05 deg
tp 2458954.058958584660
(2020-Apr-14.55895858)
7.3416e-05 TDB
period 1131.643315597111
3.10
5.9573e-06
1.631e-08
d
yr
n .3181214390066416 1.6747e-09 deg/d
Q 2.527776328546836 8.8714e-09 au
  Orbit Determination Parameters
   # obs. used (total)      476  
   data-arc span      8695 days (23.81 yr)  
   first obs. used      1997-03-15  
   last obs. used      2021-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59298  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:26:03  

Additional Information
 Earth MOID = .710616 au 
 Jupiter MOID = 2.81703 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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