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225333 (1998 QB105)
Classification: Mars-crossing Asteroid          SPK-ID: 2225333
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .367519432023541 1.0062e-07  
a 2.341939145016111 3.9806e-08 AU
q 1.481231000606093 2.5333e-07 AU
i 23.28773111910791 1.5025e-05 deg
node 84.92837313504216 2.3159e-05 deg
peri 232.595480735062 4.8277e-05 deg
M 205.1085172896524 5.4015e-05 deg
tp 2457563.731417237886
(2016-Jun-24.23141724)
0.00020982 JED
period 1309.066881261725
3.58
3.3375e-05
9.138e-08
d
yr
n .2750050476053748 7.0114e-09 deg/d
Q 3.20264728942613 5.4435e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      170  
   data-arc span      5955 days (16.30 yr)  
   first obs. used      1998-08-30  
   last obs. used      2014-12-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .60692  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 09:59:31  

Additional Information
 Earth MOID = .553603 AU 
 T_jup = 3.368 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2 mag n/a MPO321134  

225333 (1998 QB105)          Discovered 1998-Aug-30 by McNaught, R. H. at Siding Spring (413)
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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