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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05375496366176163 3.4483e-08  
a 2.39248715265897 9.9447e-09 au
q 2.263879092706556 8.4919e-08 au
i 4.789698709153325 4.0935e-06 deg
node 293.9286059528119 4.609e-05 deg
peri 156.7142169700736 6.3208e-05 deg
M 312.6574058855434 4.4688e-05 deg
tp 2459178.255234591541
(2020-Nov-24.75523459)
0.00016827 TDB
period 1351.676764865196
3.70
8.4276e-06
2.307e-08
d
yr
n .2663358647256936 1.6606e-09 deg/d
Q 2.521095212611385 1.0479e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1359  
   data-arc span      7917 days (21.68 yr)  
   first obs. used      1998-11-25  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51258  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 07:57:38  

Additional Information
 Earth MOID = 1.28142 au 
 Jupiter MOID = 2.57211 au 
 T_jup = 3.524 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457029.5 (2015-Jan-07.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05343838333400246 3.4245e-08  
q 2.264736068674482 8.4362e-08 au
tp 2456469.376093298661
(2013-Jun-25.87609330)
0.0001632 TDB
node 294.0171729898268 4.6145e-05 deg
peri 155.3692308235489 6.3562e-05 deg
i 4.786238919897097 4.0916e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1359  
   data-arc span      7917 days (21.68 yr)  
   first obs. used      1998-11-25  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51258  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 07:57:38  

Additional Information
 Jupiter MOID = 2.57211 au 
 T_jup = 3.524 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.172752812324566E-15 -2.871436432790079E-15 4.906151213881299E-13 -7.342996235791713E-15 1.60109217240601E-13 -4.944191777024907E-16
q -2.871436432790079E-15 7.116877192471791E-15 -6.175627812655975E-13 1.75689996947219E-14 -2.29531573751145E-13 1.453341057518972E-15
tp 4.906151213881299E-13 -6.175627812655975E-13 2.663442942467031E-8 2.387597832802705E-12 7.145685494860905E-9 4.617648087850769E-12
node -7.342996235791713E-15 1.75689996947219E-14 2.387597832802705E-12 2.129326873329792E-9 -2.121145715341009E-9 4.325915386741958E-11
peri 1.60109217240601E-13 -2.29531573751145E-13 7.145685494860905E-9 -2.121145715341009E-9 4.040098929641772E-9 -4.190165764899658E-11
i -4.944191777024907E-16 1.453341057518972E-15 4.617648087850769E-12 4.325915386741958E-11 -4.190165764899658E-11 1.674147896417502E-11

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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