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JPL Small-Body Database Browser
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2302 Florya (1972 TL2)
Classification: Main-belt Asteroid          SPK-ID: 2002302
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1935609904728513 4.4637e-08  
a 2.646180739628361 8.8488e-09 au
q 2.133983374695713 1.1907e-07 au
i 12.07105076055296 4.9481e-06 deg
node 307.3971938602574 2.007e-05 deg
peri 70.01666575940079 2.3561e-05 deg
M 36.52340012392737 1.0937e-05 deg
tp 2458840.986889682493
(2019-Dec-23.48688968)
4.7741e-05 TDB
period 1572.272009710347
4.30
7.8865e-06
2.159e-08
d
yr
n .2289680142981883 1.1485e-09 deg/d
Q 3.158378104561008 1.0562e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2294  
   data-arc span      31043 days (84.99 yr)  
   first obs. used      1935-02-08  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39649  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:17:55  

Additional Information
 Earth MOID = 1.16892 au 
 Jupiter MOID = 2.45545 au 
 T_jup = 3.335 
[ 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 11.8   n/a MPO435719  
diameter diameter 10.591 km 0.224 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 12. 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:
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.329   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2302 Florya (1972 TL2)          Discovered 1972-Oct-02 by Kurochkin, N. E. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1972 TL2 = 1935 BF = 1980 LF 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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