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56043 (1998 XQ11)
Classification: Main-belt Asteroid          SPK-ID: 2056043
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2112308803113512 4.275e-08  
a 2.246703688253002 9.3993e-09 au
q 1.772130490384561 9.6839e-08 au
i 5.641530913446708 6.0271e-06 deg
node 260.0339239804374 4.5533e-05 deg
peri 51.79844766489443 4.7838e-05 deg
M 130.5380197511628 1.6517e-05 deg
tp 2458154.482762280517
(2018-Feb-04.98276228)
5.504e-05 TDB
period 1230.034022923682
3.37
7.7189e-06
2.113e-08
d
yr
n .2926748311760611 1.8366e-09 deg/d
Q 2.721276886121443 1.1385e-08 au
  Orbit Determination Parameters
   # obs. used (total)      834  
   data-arc span      8932 days (24.45 yr)  
   first obs. used      1994-08-11  
   last obs. used      2019-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5808  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:23:04  

Additional Information
 Earth MOID = .763624 au 
 Jupiter MOID = 2.55662 au 
 T_jup = 3.594 
[ 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 15.4   n/a MPO359124  
diameter diameter 2.800 km 0.683 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.171   0.065 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56043 (1998 XQ11)          Discovered 1998-Dec-14 by Comba, P. G. at Prescott
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 XQ11 = 2001 QH138 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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