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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04707575617580965 3.957e-08  
a 2.658842912656893 1.3765e-08 au
q 2.533675871990878 1.042e-07 au
i 14.967552022632 5.7567e-06 deg
node 26.67911292171877 1.7296e-05 deg
peri 78.37711185317977 6.6713e-05 deg
M 123.82090978893 6.4017e-05 deg
tp 2458455.835667798452
(2018-Dec-03.33566780)
0.00028085 TDB
period 1583.570658031843
4.34
1.2298e-05
3.367e-08
d
yr
n .2273343460704365 1.7654e-09 deg/d
Q 2.784009953322909 1.4413e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1134  
   data-arc span      10488 days (28.71 yr)  
   first obs. used      1991-09-30  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55984  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 20:30:39  

Additional Information
 Earth MOID = 1.59396 au 
 Jupiter MOID = 2.29684 au 
 T_jup = 3.337 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457248.5 (2015-Aug-14.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04804493358501449 3.9611e-08  
q 2.531312334099269 1.0458e-07 au
tp 2456875.242419031097
(2014-Aug-05.74241903)
0.00027303 TDB
node 26.69278159338736 1.7295e-05 deg
peri 79.08892077240564 6.5356e-05 deg
i 14.96812090020886 5.7566e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1134  
   data-arc span      10488 days (28.71 yr)  
   first obs. used      1991-09-30  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55984  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 20:30:39  

Additional Information
 Jupiter MOID = 2.29684 au 
 T_jup = 3.337 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.569013377853379E-15 -4.110248019298733E-15 2.750619085081661E-13 -1.660127152979229E-15 6.093202427095678E-14 -6.471237664479306E-15
q -4.110248019298733E-15 1.093695434757981E-14 -3.511388310462575E-13 4.718123738287268E-15 -6.709510314358512E-14 1.772189609395436E-14
tp 2.750619085081661E-13 -3.511388310462575E-13 7.454653389369468E-8 5.916002393321147E-11 1.722536756210353E-8 -3.308105927229335E-11
node -1.660127152979229E-15 4.718123738287268E-15 5.916002393321147E-11 2.991163492614839E-10 -2.74672763120335E-10 -7.207347842135082E-12
peri 6.093202427095678E-14 -6.709510314358512E-14 1.722536756210353E-8 -2.74672763120335E-10 4.271451452023756E-9 -5.184965013438715E-13
i -6.471237664479306E-15 1.772189609395436E-14 -3.308105927229335E-11 -7.207347842135082E-12 -5.184965013438715E-13 3.313900268396248E-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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