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48508 (1993 FF12)
Classification: Outer Main-belt Asteroid          SPK-ID: 2048508
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03944240766282098 4.1316e-08  
a 3.213307379153495 2.789e-08 au
q 3.086566799558971 1.436e-07 au
i 10.23901096869282 6.464e-06 deg
node 30.02550019609275 2.3821e-05 deg
peri 74.10938834262772 9.9567e-05 deg
M 338.2057951216733 9.3381e-05 deg
tp 2459127.869476066778
(2020-Oct-05.36947607)
0.00054551 TDB
period 2103.908430705766
5.76
2.7392e-05
7.5e-08
d
yr
n .1711101085702843 2.2277e-09 deg/d
Q 3.340047958748018 2.899e-08 au
  Orbit Determination Parameters
   # obs. used (total)      871  
   data-arc span      9814 days (26.87 yr)  
   first obs. used      1993-03-17  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5536  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 09:08:09  

Additional Information
 Earth MOID = 2.12358 au 
 Jupiter MOID = 1.74052 au 
 T_jup = 3.165 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457032.5 (2015-Jan-10.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0371534398645063 4.1343e-08  
q 3.094431305914044 1.4423e-07 au
tp 2457051.514907190084
(2015-Jan-29.01490719)
0.00058223 TDB
node 30.16602594399657 2.3889e-05 deg
peri 78.789085734113 0.00010484 deg
i 10.22449600435839 6.4534e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      871  
   data-arc span      9814 days (26.87 yr)  
   first obs. used      1993-03-17  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5536  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 09:08:09  

Additional Information
 Jupiter MOID = 1.74052 au 
 T_jup = 3.165 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.709228662476759E-15 -5.867862494587487E-15 -1.184534104084997E-12 8.232983695410678E-16 -1.808856020919997E-13 -3.100401571874517E-15
q -5.867862494587487E-15 2.080337000971685E-14 1.714054674762483E-13 5.743358354647069E-16 -6.42682764631888E-14 1.176461566804961E-14
tp -1.184534104084997E-12 1.714054674762483E-13 3.389910539446051E-7 -1.072146734945975E-10 5.945224529871233E-8 -2.639451703347486E-11
node 8.232983695410678E-16 5.743358354647069E-16 -1.072146734945975E-10 5.706906192359351E-10 -5.802422762600378E-10 4.137792153061087E-12
peri -1.808856020919997E-13 -6.42682764631888E-14 5.945224529871233E-8 -5.802422762600378E-10 1.099228800182514E-8 -8.945273903262564E-12
i -3.100401571874517E-15 1.176461566804961E-14 -2.639451703347486E-11 4.137792153061087E-12 -8.945273903262564E-12 4.164606352876838E-11

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 14.0   n/a MPO452831  
diameter diameter 4.591 km 0.269 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.231   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48508 (1993 FF12)          Discovered 1993-Mar-17 by UESAC at La Silla
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 FF12 = 1999 GH32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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