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85475 (1997 LH17)
Classification: Main-belt Asteroid          SPK-ID: 2085475
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08419763197064338 3.0526e-08  
a 2.186889558748237 6.5971e-09 au
q 2.002758636520311 6.7137e-08 au
i 2.84025210309672 3.8231e-06 deg
node 143.0016519333653 7.1951e-05 deg
peri 96.16732918350441 7.6233e-05 deg
M 45.48861064612465 2.6872e-05 deg
tp 2458851.241567936500
(2020-Jan-02.74156794)
8.7958e-05 TDB
period 1181.241519132607
3.23
5.3451e-06
1.463e-08
d
yr
n .3047640928371279 1.3791e-09 deg/d
Q 2.371020480976164 7.1526e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1100  
   data-arc span      8350 days (22.86 yr)  
   first obs. used      1997-06-08  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57615  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:37:21  

Additional Information
 Earth MOID = .992761 au 
 Jupiter MOID = 2.62048 au 
 T_jup = 3.670 
[ 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 15.8   n/a MPO426529  
diameter diameter 2.843 km 0.192 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.126   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85475 (1997 LH17)          Discovered 1997-Jun-08 by Elst, E. W. at La Silla
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1997 LH17 = 2000 EC151 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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