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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 | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05343476597222036 3.4528e-08  
a 2.39290304371272 1.0062e-08 au
q 2.265038829577717 8.5013e-08 au
i 4.789176568734856 4.109e-06 deg
node 293.9280553126781 4.6178e-05 deg
peri 156.6308661230541 6.3565e-05 deg
M 206.1901432184823 4.4853e-05 deg
tp 2459178.153949524455
(2020-Nov-24.65394952)
0.00017 TDB
period 1352.029227386892
3.70
8.5275e-06
2.335e-08
d
yr
n .2662664332307246 1.6794e-09 deg/d
Q 2.520767257847723 1.0599e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1313  
   data-arc span      7645 days (20.93 yr)  
   first obs. used      1998-11-25  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52387  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 10:14:41  

Additional Information
 Earth MOID = 1.28262 au 
 Jupiter MOID = 2.57368 au 
 T_jup = 3.524 
[ 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 MPO400792  
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

[ show close-approach data ]
Alternate Designations
 1998 XQ10 = 2001 QY98 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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