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JPL Small-Body Database Browser
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35530 (1998 FE70)
Classification: Main-belt Asteroid          SPK-ID: 2035530
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04707574350940689 5.2207e-08  
a 2.658842914951867 1.5395e-08 au
q 2.533675907855789 1.4244e-07 au
i 14.9675545084496 6.2334e-06 deg
node 26.67910029714429 2.1117e-05 deg
peri 78.37709907215697 9.7822e-05 deg
M 123.820932639217 9.0925e-05 deg
tp 2458455.835566579252
(2018-Dec-03.33556658)
0.00040095 TDB
period 1583.570660082126
4.34
1.3753e-05
3.765e-08
d
yr
n .227334345776102 1.9744e-09 deg/d
Q 2.784009922047944 1.6119e-08 au
  Orbit Determination Parameters
   # obs. used (total)      999  
   data-arc span      10318 days (28.25 yr)  
   first obs. used      1991-09-30  
   last obs. used      2019-12-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57594  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 03:51:41  

Additional Information
 Earth MOID = 1.59396 au 
 Jupiter MOID = 2.29684 au 
 T_jup = 3.337 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456843.5 (2014-Jul-05.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04788469107039562 5.3499e-08  
q 2.532527080924016 1.4675e-07 au
tp 2456879.080943783408
(2014-Aug-09.58094378)
0.00039164 TDB
node 26.75386350160629 2.1131e-05 deg
peri 79.9977617610449 9.4887e-05 deg
i 14.96131835362635 6.2295e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      999  
   data-arc span      10318 days (28.25 yr)  
   first obs. used      1991-09-30  
   last obs. used      2019-12-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57594  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 03:51:41  

Additional Information
 Jupiter MOID = 2.29684 au 
 T_jup = 3.337 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.862132075300211E-15 -7.811957576099389E-15 1.038598177510951E-11 1.461688189997042E-14 2.491134946975454E-12 -1.731633617116508E-14
q -7.811957576099389E-15 2.153509444359665E-14 -2.938625623188596E-11 -3.855623768716816E-14 -7.047605695931736E-12 4.784568776677715E-14
tp 1.038598177510951E-11 -2.938625623188596E-11 1.533815918974793E-7 8.542871493846611E-11 3.625775044459814E-8 -9.94994660314665E-11
node 1.461688189997042E-14 -3.855623768716816E-14 8.542871493846611E-11 4.465371750243245E-10 -4.104894026518439E-10 -3.547964388883418E-11
peri 2.491134946975454E-12 -7.047605695931736E-12 3.625775044459814E-8 -4.104894026518439E-10 9.003557888938781E-9 1.061625066087002E-11
i -1.731633617116508E-14 4.784568776677715E-14 -9.94994660314665E-11 -3.547964388883418E-11 1.061625066087002E-11 3.880684974125024E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.7   n/a MPO337550  
diameter diameter 3.607 km 0.170 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.692 h n/a LCDB (Rev. 2019-August); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.163   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

35530 (1998 FE70)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 FE70 = 2000 SB171 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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