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20435 (1999 FU28)
Classification: Main-belt Asteroid          SPK-ID: 2020435
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2581915810818144 2.2947e-08  
a 2.28753210685584 5.3828e-09 au
q 1.696910575411317 5.3893e-08 au
i 8.359405989201397 3.1232e-06 deg
node 185.7918940273326 2.076e-05 deg
peri 122.3881821974439 2.2039e-05 deg
M 15.66591252285468 6.9368e-06 deg
tp 2459145.507632030426
(2020-Oct-23.00763203)
2.4317e-05 TDB
period 1263.715244175194
3.46
4.4605e-06
1.221e-08
d
yr
n .2848743034946658 1.0055e-09 deg/d
Q 2.878153638300364 6.7726e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2689  
   data-arc span      17634 days (48.28 yr)  
   first obs. used      1972-09-11  
   last obs. used      2020-12-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41922  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:20:43  

Additional Information
 Earth MOID = .698833 au 
 Jupiter MOID = 2.45628 au 
 T_jup = 3.542 
[ 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 14.04   n/a E2021B10  
diameter diameter 4.165 km 0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 77. h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Behrend, R. (2020) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.253   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

20435 (1999 FU28)          Discovered 1999-Mar-19 by LINEAR at Socorro
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1999 FU28 = 1972 RZ1 = 1972 TQ3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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