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49211 (1998 SX119)
Classification: Main-belt Asteroid          SPK-ID: 2049211
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 .1289421472402233 4.8274e-08  
a 2.562922620642094 1.1218e-08 au
q 2.232453874725962 1.2858e-07 au
i 8.350200230989588 4.3273e-06 deg
node 37.54789455318963 2.5689e-05 deg
peri 176.7512798375935 2.9993e-05 deg
M 291.1467345643297 1.8173e-05 deg
tp 2459487.131363350193
(2021-Sep-29.63136335)
7.6733e-05 TDB
period 1498.655004278303
4.10
9.8396e-06
2.694e-08
d
yr
n .2402153924500875 1.5772e-09 deg/d
Q 2.893391366558225 1.2665e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1297  
   data-arc span      11102 days (30.40 yr)  
   first obs. used      1990-10-19  
   last obs. used      2021-03-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51754  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:14:59  

Additional Information
 Earth MOID = 1.22487 au 
 Jupiter MOID = 2.07065 au 
 T_jup = 3.407 
[ 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 MPO452839  
diameter diameter 5.063 km 0.239 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 34.8972 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.076   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49211 (1998 SX119)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1998 SX119 = 2000 AK3 = 2001 HD16 = 2002 RZ280 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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