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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 | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2163264763840404 3.8354e-08  
a 2.280662791051917 7.6067e-09 au
q 1.787295045643465 8.7365e-08 au
i 4.534334247877157 3.9538e-06 deg
node 209.3455512353051 5.3157e-05 deg
peri 105.4580863731558 5.3879e-05 deg
M 194.6930708351757 8.7759e-06 deg
tp 2459578.168385251485
(2021-Dec-29.66838525)
3.1573e-05 TDB
period 1258.027232985384
3.44
6.2939e-06
1.723e-08
d
yr
n .2861623266657715 1.4317e-09 deg/d
Q 2.774030536460369 9.2523e-09 au
  Orbit Determination Parameters
   # obs. used (total)      894  
   data-arc span      8351 days (22.86 yr)  
   first obs. used      1997-06-08  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48495  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:37:21  

Additional Information
 Earth MOID = .780371 au 
 Jupiter MOID = 2.53483 au 
 T_jup = 3.570 
[ 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 15.9   n/a MPO351441  

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

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