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JPL Small-Body Database Browser
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109216 (2001 QU85)
Classification: Main-belt Asteroid          SPK-ID: 2109216
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1544355068326743 4.4751e-08  
a 2.751117069277503 1.6159e-08 au
q 2.32624691032761 1.2417e-07 au
i 12.20625574826054 6.3898e-06 deg
node 4.955831255966352 2.0487e-05 deg
peri 275.7124693835621 2.9234e-05 deg
M 16.94220933015497 2.1179e-05 deg
tp 2458522.061446404441
(2019-Feb-07.56144640)
9.8048e-05 TDB
period 1666.717648455763
4.56
1.4685e-05
4.021e-08
d
yr
n .2159933929622362 1.903e-09 deg/d
Q 3.175987228227395 1.8655e-08 au
  Orbit Determination Parameters
   # obs. used (total)      700  
   data-arc span      7151 days (19.58 yr)  
   first obs. used      2000-04-28  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55546  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 10:14:08  

Additional Information
 Earth MOID = 1.34892 au 
 Jupiter MOID = 2.11729 au 
 T_jup = 3.296 
[ 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 15.0   n/a MPO436525  
diameter diameter 2.623 km 0.397 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.281   0.085 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109216 (2001 QU85)          Discovered 2001-Aug-22 by Yeung, W. K. Y. at Desert Eagle
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 QU85 = 2000 JU47 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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