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20315 (1998 FD130)
Classification: Main-belt Asteroid          SPK-ID: 2020315
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1606901482452968 4.0364e-08  
a 2.706391447461369 1.4445e-08 au
q 2.271501004558999 1.113e-07 au
i 12.10007597608135 5.2187e-06 deg
node 196.9732810230041 1.8143e-05 deg
peri 116.7880754991764 2.3346e-05 deg
M 278.0719752125702 1.6731e-05 deg
tp 2459570.595947082076
(2021-Dec-22.09594708)
7.6734e-05 TDB
period 1626.238900489024
4.45
1.302e-05
3.565e-08
d
yr
n .2213696892207811 1.7723e-09 deg/d
Q 3.14128189036374 1.6766e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1042  
   data-arc span      9255 days (25.34 yr)  
   first obs. used      1995-10-16  
   last obs. used      2021-02-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54879  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:16:54  

Additional Information
 Earth MOID = 1.28685 au 
 Jupiter MOID = 2.28461 au 
 T_jup = 3.315 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.72   n/a E2021B10  
diameter diameter 3.956 km 1.157 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.179   0.111 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20315 (1998 FD130)          Discovered 1998-Mar-22 by LINEAR at Socorro
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 FD130 = 1999 NU51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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