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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2312355167915383 3.1672e-08  
a 2.342381328958157 7.4839e-09 au
q 1.800739571833667 7.315e-08 au
i 4.228983475676046 3.6384e-06 deg
node 231.1528580485565 4.4893e-05 deg
peri 9.19075669518107 4.5449e-05 deg
M 189.2507833392922 8.1985e-06 deg
tp 2459821.570701915243
(2022-Aug-30.07070192)
3.1122e-05 TDB
period 1309.43764816075
3.59
6.2755e-06
1.718e-08
d
yr
n .2749271800040725 1.3176e-09 deg/d
Q 2.884023086082646 9.2145e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1561  
   data-arc span      8717 days (23.87 yr)  
   first obs. used      1997-03-31  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51477  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 05:14:03  

Additional Information
 Earth MOID = .787104 au 
 Jupiter MOID = 2.13041 au 
 T_jup = 3.523 
[ 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 14.9   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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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1971-Feb-27 01:30 < 00:01 Psych 0.0108990197746783 0.0108944826361997 0.0109035573957795 5.44413377168221 5.44413356777295 2441009.562406330 0.848397685926378 255.135788628209 56.9679226374664 -28.3553723675882 14701.4375131131 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 05:14:09 2021-Apr-13 05:14
2140-Apr-04 16:14 00:01 Iris 0.0370374704838318 0.0370239374221101 0.0370510121792553 9.27080245297985 9.27080243623758 2502773.176225076 1.39503608081603 1119.711673575 42.3453294087237 -52.9815553747811 104502.737222462 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 05:14:09 2021-Apr-13 05:14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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