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96590 (1998 XB)
Classification: Aten [NEO]          SPK-ID: 2096590
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 406 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3511701747089355 1.2208e-08  
a .9078439874994048 1.8783e-10 au
q .5890362558007821 1.0998e-08 au
i 13.60473959445755 4.168e-07 deg
node 75.71028205012647 3.6353e-06 deg
peri 202.7087364211391 3.423e-06 deg
M 134.8247737711631 1.0641e-06 deg
tp 2458882.173380065405
(2020-Feb-02.67338007)
9.3596e-07 TDB
period 315.947744505432
0.87
9.8054e-08
2.685e-10
d
yr
n 1.139428928551223 3.5362e-10 deg/d
Q 1.226651719198028 2.5379e-10 au
  Orbit Determination Parameters
   # obs. used (total)      2473  
   # delay obs. used      8  
   # Doppler obs. used      7  
   data-arc span      10177 days (27.86 yr)  
   first obs. used      1992-01-01  
   last obs. used      2019-11-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .34979  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-21 06:09:39  

Additional Information
 Earth MOID = .114151 au 
 Jupiter MOID = 3.89138 au 
 T_jup = 6.492 
[ 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 16.2   n/a MPO244897  
diameter diameter 0.882 km 0.217 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2012ApJ...760L..12M)  
rotation period rot_per 520. h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2005) http://www.asu.cas.cz/~ppravec/neo.htm]
geometric albedo albedo 0.489   0.225 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2012ApJ...760L..12M)  
SMASSII spectral type spec_B S:   n/a Binzel et al. (2004) Icarus 170, 259-294 SMASSIR data only, classification consistent with specified type, but uncertain

96590 (1998 XB)          Discovered 1998-Dec-01 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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