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85474 (1997 LN15)
Classification: Main-belt Asteroid          SPK-ID: 2085474
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2165200989625708 3.0147e-08  
a 2.280074172732833 6.9027e-09 au
q 1.786392287210719 7.0486e-08 au
i 4.535225945932463 3.9297e-06 deg
node 209.3377101797973 4.2241e-05 deg
peri 105.5337593903132 4.3182e-05 deg
M 307.9701045662449 8.9037e-06 deg
tp 2459578.249130556156
(2021-Dec-29.74913056)
3.1379e-05 TDB
period 1257.540236334356
3.44
5.7106e-06
1.563e-08
d
yr
n .2862731462568351 1.3e-09 deg/d
Q 2.773756058254948 8.3972e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1088  
   data-arc span      8793 days (24.07 yr)  
   first obs. used      1997-06-08  
   last obs. used      2021-07-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47504  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:09:56  

Additional Information
 Earth MOID = .778855 au 
 Jupiter MOID = 2.53442 au 
 T_jup = 3.571 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.96   n/a MPO637173  

85474 (1997 LN15)          Discovered 1997-Jun-08 by Elst, E. W. at La Silla
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1997 LN15 = 2000 GE9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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