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JPL Small-Body Database Browser
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91394 (1999 LM)
Classification: Main-belt Asteroid          SPK-ID: 2091394
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1757497547462456 6.2978e-08  
a 2.617066516630895 2.2399e-08 au
q 2.157117718178404 1.726e-07 au
i 13.1171509234557 8.2629e-06 deg
node 242.1327803522749 2.9324e-05 deg
peri 19.97520045371966 3.9508e-05 deg
M 317.9305866033426 2.663e-05 deg
tp 2459181.210972893216
(2020-Nov-27.71097289)
0.00011543 TDB
period 1546.395468559745
4.23
1.9853e-05
5.435e-08
d
yr
n .232799440582486 2.9888e-09 deg/d
Q 3.077015315083387 2.6336e-08 au
  Orbit Determination Parameters
   # obs. used (total)      430  
   data-arc span      9069 days (24.83 yr)  
   first obs. used      1995-06-30  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59989  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 16:40:31  

Additional Information
 Earth MOID = 1.1466 au 
 Jupiter MOID = 1.99474 au 
 T_jup = 3.348 
[ 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 15.6   n/a MPO436410  

91394 (1999 LM)          Discovered 1999-Jun-06 by Comba, P. G. at Prescott
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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