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26287 (1998 SD67)
Classification: Main-belt Asteroid          SPK-ID: 2026287
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1925537175605892 3.2972e-08  
a 2.228174333106359 5.9869e-09 au
q 1.799131081893643 7.2068e-08 au
i 5.936973566440943 4.0625e-06 deg
node 48.38602219902543 2.8441e-05 deg
peri 299.2477178479974 3.0276e-05 deg
M 265.4907449651551 1.1442e-05 deg
tp 2459519.429004108897
(2021-Oct-31.92900411)
3.9151e-05 TDB
period 1214.84865621755
3.33
4.8963e-06
1.341e-08
d
yr
n .2963332083856977 1.1943e-09 deg/d
Q 2.657217584319075 7.1398e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1954  
   data-arc span      25659 days (70.25 yr)  
   first obs. used      1950-03-21  
   last obs. used      2020-06-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47124  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:29:48  

Additional Information
 Earth MOID = .800314 au 
 Jupiter MOID = 2.77712 au 
 T_jup = 3.613 
[ 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 14.46   n/a E2021B10  
diameter diameter 4.165 km 0.248 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 10.648 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Folberth, J.; Casimir, S.; Dou, Y.; Evans, D; et al. (2012) Minor Planet Bull. 39, 51-55.]
geometric albedo albedo 0.280   0.098 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

26287 (1998 SD67)          Discovered 1998-Sep-20 by Elst, E. W. at La Silla
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1998 SD67 = 1978 TV4 = 1988 VF5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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