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85821 (1998 XQ10)
Classification: Main-belt Asteroid          SPK-ID: 2085821
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05399733961371469 3.3712e-08  
a 2.393056399795963 7.9116e-09 au
q 2.263837720661407 8.1892e-08 au
i 4.78933594326555 3.897e-06 deg
node 293.9286135389445 3.9008e-05 deg
peri 156.535472060488 5.2403e-05 deg
M 58.26528118777414 3.433e-05 deg
tp 2459177.655732932548
(2020-Nov-24.15573293)
0.00012885 TDB
period 1352.159202499722
3.70
6.7055e-06
1.836e-08
d
yr
n .2662408386042649 1.3203e-09 deg/d
Q 2.522275078930519 8.3388e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1650  
   data-arc span      8200 days (22.45 yr)  
   first obs. used      1998-11-25  
   last obs. used      2021-05-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48292  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:10:32  

Additional Information
 Earth MOID = 1.28146 au 
 Jupiter MOID = 2.57062 au 
 T_jup = 3.524 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.59   n/a MPCxxxxx  
diameter diameter 4.097 km 0.134 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.183   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85821 (1998 XQ10)          Discovered 1998-Dec-15 by ODAS at Caussols
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1998 XQ10 = 2001 QY98 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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