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JPL Small-Body Database Browser
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71041 (1999 XQ74)
Classification: Main-belt Asteroid          SPK-ID: 2071041
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07837026326385411 4.1861e-08  
a 2.964176025186787 2.3732e-08 au
q 2.731872769732494 1.2634e-07 au
i 12.12811173856957 4.8295e-06 deg
node 91.94877642603836 2.2097e-05 deg
peri 195.0731295198588 3.8122e-05 deg
M 78.32553874479511 3.2474e-05 deg
tp 2458194.939824504616
(2018-Mar-17.43982450)
0.00016753 TDB
period 1864.036500968726
5.10
2.2386e-05
6.129e-08
d
yr
n .1931292653405181 2.3194e-09 deg/d
Q 3.196479280641081 2.5592e-08 au
  Orbit Determination Parameters
   # obs. used (total)      789  
   data-arc span      6852 days (18.76 yr)  
   first obs. used      1999-12-07  
   last obs. used      2018-09-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55369  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 02:13:04  

Additional Information
 Earth MOID = 1.71662 au 
 Jupiter MOID = 1.93367 au 
 T_jup = 3.227 
[ 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 14.4   n/a MPO412620  
diameter diameter 5.917 km 0.347 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.116   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71041 (1999 XQ74)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XQ74 = 2001 CB31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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