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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 ]

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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1550012610949801 2.9043e-08  
a 2.657964546409421 1.2337e-08 au
q 2.245976689770214 7.7003e-08 au
i 11.98422063532581 4.2183e-06 deg
node 193.5711949148646 1.6465e-05 deg
peri 249.3236785903881 2.1779e-05 deg
M 185.3829924229759 1.5562e-05 deg
tp 2459968.225990044277
(2023-Jan-23.72599004)		 7.0749e-05 TDB
period 1582.786008367639
4.33		 1.102e-05
3.017e-08		 d
yr
n .2274470447026984 1.5835e-09 deg/d
Q 3.069952403048628 1.4249e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1520  
   data-arc span      14353 days (39.30 yr)  
   first obs. used      1981-05-01  
   last obs. used      2020-08-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48594  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:13:47  

Additional Information
 Earth MOID = 1.29255 au 
 Jupiter MOID = 2.30455 au 
 T_jup = 3.339 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457374.5 (2015-Dec-18.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1560772780501355 2.9073e-08  
q 2.242131695479158 7.7162e-08 au
tp 2456805.234609678742
(2014-May-27.73460968)		 6.3318e-05 TDB
node 193.6011735972993 1.6464e-05 deg
peri 249.5877989964122 2.17e-05 deg
i 11.98720599239754 4.2191e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      1520  
   data-arc span      14353 days (39.30 yr)  
   first obs. used      1981-05-01  
   last obs. used      2020-08-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48594  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:13:47  

Additional Information
 Jupiter MOID = 2.30455 au 
 T_jup = 3.339 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.452431897964862E-16 -2.222659485319609E-15 -5.511773246379154E-14 -2.823320503801899E-15 -5.261611040728896E-15 3.985544618044769E-16
q -2.222659485319609E-15 5.953924912037733E-15 2.40048234095795E-13 8.471444153576941E-15 4.106384420025221E-14 -7.194733646825019E-16
tp -5.511773246379154E-14 2.40048234095795E-13 4.009121587674041E-9 3.073804721218506E-12 9.056393417238475E-10 -4.998047698988512E-12
node -2.823320503801899E-15 8.471444153576941E-15 3.073804721218506E-12 2.71064987735578E-10 -2.640613455952039E-10 -6.626746421645954E-12
peri -5.261611040728896E-15 4.106384420025221E-14 9.056393417238475E-10 -2.640613455952039E-10 4.708973748961619E-10 5.460167228296829E-12
i 3.985544618044769E-16 -7.194733646825019E-16 -4.998047698988512E-12 -6.626746421645954E-12 5.460167228296829E-12 1.780072239977607E-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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