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26197 Bormio (1997 FN1)
Classification: Main-belt Asteroid          SPK-ID: 2026197
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2312355175945064 3.1826e-08  
a 2.342381328404109 7.5185e-09 au
q 1.800739569526878 7.3486e-08 au
i 4.228983518417361 3.6641e-06 deg
node 231.1528572180011 4.5647e-05 deg
peri 9.190756976176328 4.6213e-05 deg
M 189.2507839586126 8.2533e-06 deg
tp 2459821.570699442218
(2022-Aug-30.07069944)
3.1293e-05 TDB
period 1309.437647696165
3.59
6.3045e-06
1.726e-08
d
yr
n .274927180101616 1.3237e-09 deg/d
Q 2.884023087281341 9.2571e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1549  
   data-arc span      8692 days (23.80 yr)  
   first obs. used      1997-03-31  
   last obs. used      2021-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51446  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 03:18:10  

Additional Information
 Earth MOID = .787104 au 
 Jupiter MOID = 2.13041 au 
 T_jup = 3.523 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457372.5 (2015-Dec-16.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2310246837249439 3.184e-08  
q 1.801344691133451 7.3501e-08 au
tp 2457202.787634019712
(2015-Jun-29.28763402)
2.7851e-05 TDB
node 231.1628198266441 4.5645e-05 deg
peri 9.202629022985386 4.6212e-05 deg
i 4.228552558001861 3.6644e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1549  
   data-arc span      8692 days (23.80 yr)  
   first obs. used      1997-03-31  
   last obs. used      2021-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51446  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 03:18:10  

Additional Information
 Jupiter MOID = 2.13041 au 
 T_jup = 3.523 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.013775480459417E-15 -2.33329680420228E-15 -7.074771743571768E-14 -8.458003203539157E-15 -3.012965227133399E-14 6.061221514291955E-17
q -2.33329680420228E-15 5.402347970234154E-15 1.755309542303726E-13 2.003653117047964E-14 7.213353104760486E-14 -1.419996040522416E-16
tp -7.074771743571768E-14 1.755309542303726E-13 7.756603844094363E-10 2.205192560573971E-12 2.109330229620323E-10 -1.211731103211558E-12
node -8.458003203539157E-15 2.003653117047964E-14 2.205192560573971E-12 2.083473471067888E-9 -2.076778506267595E-9 -1.109173892499379E-11
peri -3.012965227133399E-14 7.213353104760486E-14 2.109330229620323E-10 -2.076778506267595E-9 2.135536855834592E-9 1.07479062385134E-11
i 6.061221514291955E-17 -1.419996040522416E-16 -1.211731103211558E-12 -1.109173892499379E-11 1.07479062385134E-11 1.342776799103302E-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 14.9   n/a MPO493018  
diameter diameter 2.117 km 0.249 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
rotation period rot_per 3.607 h n/a LCDB (Rev. 2020-October); 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 0.432   0.145 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

26197 Bormio           Discovered 1997 Mar. 31 by F. Manca and P. Sicoli at Sormano.
Bormio is a very ancient and pleasant village in the Rhaetian Alps, 200 km from Milan. It hosts a biennial meeting on planetary sciences, and the name was suggested by A. Manara on the occasion of the fourth meeting in the series.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020427/MPCPages.arcLast Updated: 2003-10-02

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