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91153 (1998 QP44)
Classification: Main-belt Asteroid          SPK-ID: 2091153
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1793993968094023 4.5636e-08  
a 3.164538502190959 2.5904e-08 au
q 2.596822203717772 1.4884e-07 au
i 1.059561549189784 5.8131e-06 deg
node 26.07776504624655 0.00025163 deg
peri 293.4654187302733 0.00025209 deg
M 36.77467047074077 1.6008e-05 deg
tp 2459186.455994354678
(2020-Dec-02.95599435)
9.0382e-05 TDB
period 2056.19359913717
5.63
2.5247e-05
6.912e-08
d
yr
n .1750807901313695 2.1498e-09 deg/d
Q 3.732254800664147 3.0551e-08 au
  Orbit Determination Parameters
   # obs. used (total)      612  
   data-arc span      9680 days (26.50 yr)  
   first obs. used      1995-01-07  
   last obs. used      2021-07-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53856  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 22:04:39  

Additional Information
 Earth MOID = 1.58342 au 
 Jupiter MOID = 1.58404 au 
 T_jup = 3.178 
[ 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 14.94   n/a E2020-QM9  

91153 (1998 QP44)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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