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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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1935609931774346 4.286e-08  
a 2.646180739250544 8.6825e-09 au
q 2.133983367234211 1.14e-07 au
i 12.0710501003085 4.8269e-06 deg
node 307.3971917782858 1.9283e-05 deg
peri 70.01666713323598 2.2941e-05 deg
M 36.52340090024338 1.0889e-05 deg
tp 2458840.986886326156
(2019-Dec-23.48688633)		 4.754e-05 TDB
period 1572.272009373618
4.30		 7.7383e-06
2.119e-08		 d
yr
n .2289680143472257 1.1269e-09 deg/d
Q 3.158378111266877 1.0363e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2462  
   data-arc span      31322 days (85.75 yr)  
   first obs. used      1935-02-08  
   last obs. used      2020-11-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .38916  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:05:30  

Additional Information
 Earth MOID = 1.16892 au 
 Jupiter MOID = 2.45545 au 
 T_jup = 3.335 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457012.5 (2014-Dec-21.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .195317063915062 4.3422e-08  
q 2.12898977605607 1.159e-07 au
tp 2457265.339005087987
(2015-Aug-30.83900509)		 4.6592e-05 TDB
node 307.6590104607506 1.9269e-05 deg
peri 69.13806528542256 2.2755e-05 deg
i 12.07288815414638 4.8338e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      2462  
   data-arc span      31322 days (85.75 yr)  
   first obs. used      1935-02-08  
   last obs. used      2020-11-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .38916  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:05:30  

Additional Information
 Jupiter MOID = 2.45545 au 
 T_jup = 3.335 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.88549726695715E-15 -5.023555353980899E-15 -1.001716709080529E-12 3.954159149151926E-15 -2.581916791041042E-13 -6.639930242731314E-15
q -5.023555353980899E-15 1.343223423210484E-14 2.62403482676635E-12 -9.624964087863419E-15 6.72371591795054E-13 1.86218305029099E-14
tp -1.001716709080529E-12 2.62403482676635E-12 2.17081426013448E-9 -6.130307568268906E-12 5.795278852387382E-10 5.419114623009997E-12
node 3.954159149151926E-15 -9.624964087863419E-15 -6.130307568268906E-12 3.712924944156445E-10 -3.642935791655503E-10 3.92907416726481E-11
peri -2.581916791041042E-13 6.72371591795054E-13 5.795278852387382E-10 -3.642935791655503E-10 5.1778157293107E-10 -3.72810087237016E-11
i -6.639930242731314E-15 1.86218305029099E-14 5.419114623009997E-12 3.92907416726481E-11 -3.72810087237016E-11 2.336598185113375E-11

[ 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 16.659 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2019) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Polakis, T. (2020) Minor Planet Bull. 47, 13-17.]
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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