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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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1925537054692965 1.0496e-08  
a 2.228174331756487 5.7791e-09 au
q 1.799131107745202 2.2298e-08 au
i 5.936966066763634 1.3948e-06 deg
node 48.38600958407942 4.5923e-06 deg
peri 299.2477277058065 8.4159e-06 deg
M 265.490750988847 6.337e-06 deg
tp 2459519.428983491649
(2021-Oct-31.92898349)
2.199e-05 TDB
period 1214.848655113581
3.33
4.7263e-06
1.294e-08
d
yr
n .2963332086549844 1.1529e-09 deg/d
Q 2.657217555767772 6.8919e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1991  
   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      .47148  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-17 04:03:21  

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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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
1996-Mar-30 23:50 < 00:01 Amphi 0.024939470832716 0.0249380206939273 0.0249409209716275 2.89273889519611 2.8927388155111 2450173.493354325 0.849170955765711 72.2981760645185 33.5072144799871 2.64366203074416 51752.9088411001 T 29 CATAB v2.0f-lin.ifort 2021-Mar-17 04:04:09 2021-Mar-17 04:04
2086-Jan-17 06:40 00:02 Amphi 0.0164810568398419 0.016475301581964 0.01648681316747 3.15510795150175 3.15510784094792 2482972.777647206 1.75423795361194 356.0544920338 36.979309335349 -36.5707214519107 40076.8230249871 T 29 CATAB v2.0f-lin.ifort 2021-Mar-17 04:04:09 2021-Mar-17 04:04

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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