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JPL Small-Body Database Browser
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85601 (1998 FU121)
Classification: Outer Main-belt Asteroid          SPK-ID: 2085601
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1550599198361367 3.8832e-08  
a 3.200868252801609 2.4108e-08 au
q 2.704541878116157 1.2616e-07 au
i 1.555568949094394 5.2804e-06 deg
node 54.78682175188922 0.00016735 deg
peri 52.7926561449154 0.00016831 deg
M 311.3028993357769 1.9285e-05 deg
tp 2458883.444156777087
(2020-Feb-03.94415678)
0.00011375 TDB
period 2091.70351110012
5.73
2.3631e-05
6.47e-08
d
yr
n .1721085221158615 1.9444e-09 deg/d
Q 3.697194627487061 2.7847e-08 au
  Orbit Determination Parameters
   # obs. used (total)      867  
   data-arc span      7895 days (21.62 yr)  
   first obs. used      1998-03-20  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55514  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 10:12:47  

Additional Information
 Earth MOID = 1.72191 au 
 Jupiter MOID = 1.43643 au 
 T_jup = 3.175 
[ show covariance matrix ]

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 14.6   n/a MPO459396  
diameter diameter 6.716 km 0.305 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.039   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85601 (1998 FU121)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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