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452314 (1999 LN28)
Classification: Amor [NEO]          SPK-ID: 2452314
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .467872339226608 6.7069e-08  
a 2.141215027547468 2.2991e-08 au
q 1.139399743821668 1.3713e-07 au
i 9.199719242083619 8.9902e-06 deg
node 115.6056892915585 2.217e-05 deg
peri 186.6365101208626 3.6237e-05 deg
M 234.8316134390953 4.7031e-05 deg
tp 2459398.406473139664
(2021-Jul-02.90647314)
0.0001559 TDB
period 1144.428990946351
3.13
1.8432e-05
5.046e-08
d
yr
n .3145673544169035 5.0664e-09 deg/d
Q 3.143030311273267 3.3748e-08 au
  Orbit Determination Parameters
   # obs. used (total)      226  
   data-arc span      7124 days (19.50 yr)  
   first obs. used      1999-06-12  
   last obs. used      2018-12-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57853  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jan-21 07:54:46  

Additional Information
 Earth MOID = .124726 au 
 Jupiter MOID = 2.12376 au 
 T_jup = 3.549 
[ 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 19.2   n/a MPO472493  
rotation period rot_per 19. h n/a LCDB (Rev. 2019-August); Warner et al., 2009 lower-limit; Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (1999) http://www.asu.cas.cz/~ppravec/neo.htm]

452314 (1999 LN28)          Discovered 1999-Jun-12 by LINEAR at Socorro
Reference: Last Updated: 2016-01-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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