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85275 (1994 LY)
Classification: Amor [NEO]          SPK-ID: 2085275
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 302 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4419216151955527 2.378e-08  
a 1.890166900491647 1.4905e-09 au
q 1.054861290837207 4.4965e-08 au
i 17.71843914418796 4.8246e-06 deg
node 141.1640440368114 6.404e-06 deg
peri 202.8115581382977 8.292e-06 deg
M 321.479493970331 2.9991e-06 deg
tp 2459102.063612641586
(2020-Sep-09.56361264)
7.9136e-06 TDB
period 949.1801723167804
2.60
1.1227e-06
3.074e-09
d
yr
n .379274673554657 4.4862e-10 deg/d
Q 2.725472510146087 2.1492e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3269  
   data-arc span      9627 days (26.36 yr)  
   first obs. used      1994-06-05  
   last obs. used      2020-10-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .29504  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 19:09:47  

Additional Information
 Earth MOID = .0645006 au 
 Jupiter MOID = 2.70779 au 
 T_jup = 3.783 
[ 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 16.1   n/a MPO410590  
diameter diameter 2.506 km 1.179 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
rotation period rot_per 2.6962 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2007) http://www.asu.cas.cz/~ppravec/neo.htm]
[Brinsfield, J.W. (2008) Minor Planet Bull. 35, 23-24.]
[Apostolovska, G.; Ivanova, V. Kostov, A. (2009) Minor Planet Bull. 36, 27-28.]
geometric albedo albedo 0.093   0.136 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

85275 (1994 LY)          Discovered 1994-Jun-11 by Helin, E. F. at Palomar
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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