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85595 (1998 FB71)
Classification: Main-belt Asteroid          SPK-ID: 2085595
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1554042782643772 2.9099e-08  
a 2.657090861057871 1.2444e-08 au
q 2.2441675735123 7.7195e-08 au
i 11.98621904746942 4.236e-06 deg
node 193.5883094684822 1.6468e-05 deg
peri 249.3139019103392 2.1808e-05 deg
M 139.8607898456515 1.5528e-05 deg
tp 2458385.887326733837
(2018-Sep-24.38732673)
6.6709e-05 TDB
period 1582.005668779641
4.33
1.1113e-05
3.043e-08
d
yr
n .2275592351560307 1.5986e-09 deg/d
Q 3.070014148603442 1.4378e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1503  
   data-arc span      14353 days (39.30 yr)  
   first obs. used      1981-05-01  
   last obs. used      2020-08-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48551  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:00:26  

Additional Information
 Earth MOID = 1.29119 au 
 Jupiter MOID = 2.30494 au 
 T_jup = 3.339 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457370.5 (2015-Dec-14.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1560775942038274 2.9116e-08  
q 2.242134073940707 7.7324e-08 au
tp 2456805.238097495440
(2014-May-27.73809750)
6.3779e-05 TDB
node 193.6011731506929 1.6468e-05 deg
peri 249.5886345582638 2.1761e-05 deg
i 11.98720569556375 4.2364e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1503  
   data-arc span      14353 days (39.30 yr)  
   first obs. used      1981-05-01  
   last obs. used      2020-08-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48551  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:00:26  

Additional Information
 Jupiter MOID = 2.30494 au 
 T_jup = 3.339 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.477140991355941E-16 -2.230542246719608E-15 -6.678169197701688E-14 -2.82071195200732E-15 -7.698253060771976E-15 4.627606957043707E-16
q -2.230542246719608E-15 5.979071596266519E-15 2.773954998952857E-13 8.474905879432318E-15 4.885138311965718E-14 -8.8703765861492E-16
tp -6.678169197701688E-14 2.773954998952857E-13 4.067755741620882E-9 3.168776692453616E-12 9.1779587757622E-10 -4.98629853631401E-12
node -2.82071195200732E-15 8.474905879432318E-15 3.168776692453616E-12 2.712001127461029E-10 -2.641729704452701E-10 -6.532416764874685E-12
peri -7.698253060771976E-15 4.885138311965718E-14 9.1779587757622E-10 -2.641729704452701E-10 4.735448539049823E-10 5.373004531154048E-12
i 4.627606957043707E-16 -8.8703765861492E-16 -4.98629853631401E-12 -6.532416764874685E-12 5.373004531154048E-12 1.794717357936497E-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 14.29   n/a E2021B10  
diameter diameter 5.682 km 0.056 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 9.57736 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.115   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85595 (1998 FB71)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1998 FB71 = 2000 RQ28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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