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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07830484621329536 3.7568e-08  
a 2.965242736315064 2.0861e-08 au
q 2.733049859862822 1.0935e-07 au
i 12.12797820492851 4.4471e-06 deg
node 91.94873264478849 2.0451e-05 deg
peri 195.3582925846727 3.6893e-05 deg
M 155.2536632005103 3.2351e-05 deg
tp 2458196.181314130797
(2018-Mar-18.68131413)
0.00016601 TDB
period 1865.042801205616
5.11
1.9681e-05
5.388e-08
d
yr
n .1930250607478208 2.037e-09 deg/d
Q 3.197435612767307 2.2495e-08 au
  Orbit Determination Parameters
   # obs. used (total)      915  
   data-arc span      7355 days (20.14 yr)  
   first obs. used      1999-12-07  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54283  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 16:19:38  

Additional Information
 Earth MOID = 1.71846 au 
 Jupiter MOID = 1.93425 au 
 T_jup = 3.226 
[ 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 14.5   n/a MPO502591  
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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