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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04735025240549944 5.2435e-08  
a 2.65899361405908 1.5805e-08 au
q 2.533089595288771 1.4341e-07 au
i 14.96761197286425 6.2802e-06 deg
node 26.68266857582823 2.1142e-05 deg
peri 78.42437918043741 9.7459e-05 deg
M 32.81086851779126 9.0731e-05 deg
tp 2458456.159038456015
(2018-Dec-03.65903846)
0.00039943 TDB
period 1583.705293496223
4.34
1.412e-05
3.866e-08
d
yr
n .2273150197062586 2.0267e-09 deg/d
Q 2.784897632829388 1.6553e-08 au
  Orbit Determination Parameters
   # obs. used (total)      983  
   data-arc span      10078 days (27.59 yr)  
   first obs. used      1991-09-30  
   last obs. used      2019-05-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56475  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:54:40  

Additional Information
 Earth MOID = 1.59334 au 
 Jupiter MOID = 2.29786 au 
 T_jup = 3.337 
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Orbital Elements at Epoch 2456828.5 (2014-Jun-20.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04784746521806502 5.3682e-08  
q 2.532519328760529 1.4723e-07 au
tp 2456879.180781991723
(2014-Aug-09.68078199)
0.00039337 TDB
node 26.75634465638903 2.1158e-05 deg
peri 80.02017898704919 9.5274e-05 deg
i 14.96155899518381 6.2765e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      983  
   data-arc span      10078 days (27.59 yr)  
   first obs. used      1991-09-30  
   last obs. used      2019-05-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56475  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:54:40  

Additional Information
 Jupiter MOID = 2.29786 au 
 T_jup = 3.337 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.881794604471641E-15 -7.864175154985618E-15 1.042880514245116E-11 1.466399867665449E-14 2.50283828223731E-12 -1.75184719770873E-14
q -7.864175154985618E-15 2.16778078264033E-14 -2.951312190086378E-11 -3.870369039844451E-14 -7.081818849535038E-12 4.850061917422245E-14
tp 1.042880514245116E-11 -2.951312190086378E-11 1.547417790667178E-7 8.638179552416544E-11 3.657157490146071E-8 -1.010496116036954E-10
node 1.466399867665449E-14 -3.870369039844451E-14 8.638179552416544E-11 4.476413514105711E-10 -4.113185395865272E-10 -3.520087345863908E-11
peri 2.50283828223731E-12 -7.081818849535038E-12 3.657157490146071E-8 -4.113185395865272E-10 9.077159490618493E-9 9.977682116823014E-12
i -1.75184719770873E-14 4.850061917422245E-14 -1.010496116036954E-10 -3.520087345863908E-11 9.977682116823014E-12 3.939496957598044E-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-January); 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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