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JPL Small-Body Database Browser
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136568 (1980 XB)
Classification: Mars-crossing Asteroid          SPK-ID: 2136568
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3712588325722353 3.6326e-08  
a 2.436112449229894 5.1707e-09 au
q 1.531684185314115 8.8624e-08 au
i 23.83766414202345 5.7191e-06 deg
node 70.66971601847317 9.9423e-06 deg
peri 41.27764627897444 1.3475e-05 deg
M 26.08671402309158 5.5583e-06 deg
tp 2458499.862161582019
(2019-Jan-16.36216158)
2.1408e-05 TDB
period 1388.815080289655
3.80
4.4217e-06
1.211e-08
d
yr
n .2592137751880671 8.2528e-10 deg/d
Q 3.340540713145673 7.0903e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1149  
   data-arc span      14028 days (38.41 yr)  
   first obs. used      1980-12-13  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42021  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:13:08  

Additional Information
 Earth MOID = .601904 au 
 Jupiter MOID = 2.08704 au 
 T_jup = 3.298 
[ 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 14.3   n/a MPO325421  
diameter diameter 2.807 km 0.420 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
rotation period rot_per 2.7823 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2018) http://www.asu.cas.cz/~ppravec/neo.htm]
geometric albedo albedo 0.384   0.190 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

136568 (1980 XB)          Discovered 1980-Dec-13 by Harlan, E. A. at Mt. Hamilton
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ show close-approach data ]
Alternate Designations
 1980 XB = 1999 VV46 = 1999 XN136 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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