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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0819704210890559 9.7019e-08  
a 3.168140831091025 4.1125e-08 au
q 2.908446993097062 3.2257e-07 au
i 13.40597954381791 7.8675e-06 deg
node 283.476008807954 3.8361e-05 deg
peri 58.02026578663963 5.6899e-05 deg
M 317.4625777736384 4.3836e-05 deg
tp 2459243.873793885827
(2021-Jan-29.37379389)
0.0002521 TDB
period 2059.705577189408
5.64
4.0105e-05
1.098e-07
d
yr
n .174782262080021 3.4032e-09 deg/d
Q 3.427834669084988 4.4496e-08 au
  Orbit Determination Parameters
   # obs. used (total)      321  
   data-arc span      8949 days (24.50 yr)  
   first obs. used      1994-12-02  
   last obs. used      2019-06-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64479  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 14:00:45  

Additional Information
 Earth MOID = 1.92369 au 
 Jupiter MOID = 1.90617 au 
 T_jup = 3.155 
[ 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 14.6   n/a MPO436409  

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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