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91167 (1998 QM85)
Classification: Main-belt Asteroid          SPK-ID: 2091167
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08019789648912982 9.1001e-08  
a 3.162619491084707 3.4175e-08 au
q 2.908984060504192 3.0888e-07 au
i 13.40016789117225 7.7512e-06 deg
node 283.4510070277173 2.3268e-05 deg
peri 57.92624124807322 4.6561e-05 deg
M 26.83179314376025 3.7763e-05 deg
tp 2459243.385599611035
(2021-Jan-28.88559961)
0.00021555 TDB
period 2054.32353494592
5.62
3.3299e-05
9.117e-08
d
yr
n .1752401673232434 2.8405e-09 deg/d
Q 3.416254921665224 3.6916e-08 au
  Orbit Determination Parameters
   # obs. used (total)      450  
   data-arc span      9484 days (25.97 yr)  
   first obs. used      1994-12-02  
   last obs. used      2020-11-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57929  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:44:03  

Additional Information
 Earth MOID = 1.92327 au 
 Jupiter MOID = 1.91217 au 
 T_jup = 3.157 
[ 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 14.65   n/a E2021B10  

91167 (1998 QM85)          Discovered 1998-Aug-24 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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