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8879 (1993 FN20)
Classification: Main-belt Asteroid          SPK-ID: 2008879
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08297646956484285 3.8744e-08  
a 2.7170855220877 1.3272e-08 au
q 2.491631357959115 1.0808e-07 au
i 1.754419033304919 3.6411e-06 deg
node 276.2193126397408 0.00016353 deg
peri 130.3658638382812 0.00016608 deg
M 199.3324373904002 3.053e-05 deg
tp 2459930.594528810471
(2022-Dec-17.09452881)
0.000141 TDB
period 1635.887332220383
4.48
1.1986e-05
3.282e-08
d
yr
n .2200640550907461 1.6124e-09 deg/d
Q 2.942539686216285 1.4373e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1335  
   data-arc span      9946 days (27.23 yr)  
   first obs. used      1993-03-19  
   last obs. used      2020-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5136  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 20:57:14  

Additional Information
 Earth MOID = 1.50064 au 
 Jupiter MOID = 2.35536 au 
 T_jup = 3.355 
[ 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 14.48   n/a E2021B10  
diameter diameter 5.089 km 0.182 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.171   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

8879 (1993 FN20)          Discovered 1993-Mar-19 by UESAC at La Silla
Reference: 19980610/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 FN20 = 1995 UY45 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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