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JPL Small-Body Database Browser
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49019 (1998 QF85)
Classification: Main-belt Asteroid          SPK-ID: 2049019
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0515304242801173 3.1845e-08  
a 2.563370952628308 1.1233e-08 au
q 2.431279359852042 8.4472e-08 au
i 13.90610406724243 3.4145e-06 deg
node 298.7608818934541 1.4359e-05 deg
peri 262.7763707179623 3.8283e-05 deg
M 150.9076598908274 3.6762e-05 deg
tp 2457972.117041304870
(2017-Aug-06.61704130)
0.00015203 TDB
period 1499.048260995512
4.10
9.8532e-06
2.698e-08
d
yr
n .2401523749214889 1.5785e-09 deg/d
Q 2.695462545404573 1.1812e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1704  
   data-arc span      25140 days (68.83 yr)  
   first obs. used      1951-02-04  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47997  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:16:53  

Additional Information
 Earth MOID = 1.47719 au 
 Jupiter MOID = 2.42283 au 
 T_jup = 3.391 
[ 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 13.8   n/a MPO302337  
diameter diameter 4.615 km 0.444 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.301   0.079 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49019 (1998 QF85)          Discovered 1998-Aug-24 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QF85 = 1999 XR132 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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