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JPL Small-Body Database Browser
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172213 (2002 QA110)
Classification: Main-belt Asteroid          SPK-ID: 2172213
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06869484708003987 4.4903e-08  
a 2.628106587659258 1.9002e-08 au
q 2.44756920750996 1.2282e-07 au
i 2.018530538629538 5.546e-06 deg
node 281.868360815657 0.00018225 deg
peri 135.8879606196809 0.00019034 deg
M 335.8371399965527 5.6896e-05 deg
tp 2459104.950067754591
(2020-Sep-12.45006775)
0.00024642 TDB
period 1556.190963581635
4.26
1.6877e-05
4.621e-08
d
yr
n .2313340768741169 2.5089e-09 deg/d
Q 2.808643967808557 2.0307e-08 au
  Orbit Determination Parameters
   # obs. used (total)      222  
   data-arc span      7654 days (20.96 yr)  
   first obs. used      1998-09-19  
   last obs. used      2019-09-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54298  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:45:31  

Additional Information
 Earth MOID = 1.46007 au 
 Jupiter MOID = 2.40791 au 
 T_jup = 3.397 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456913.5 (2014-Sep-13.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06893875438427891 4.5307e-08  
q 2.447632884622423 1.2429e-07 au
tp 2457539.409314145084
(2016-May-30.90931414)
0.00023802 TDB
node 282.0509827225806 0.0001827 deg
peri 133.8198746401366 0.00019064 deg
i 2.014755803003037 5.5432e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      222  
   data-arc span      7654 days (20.96 yr)  
   first obs. used      1998-09-19  
   last obs. used      2019-09-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54298  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:45:31  

Additional Information
 Jupiter MOID = 2.40791 au 
 T_jup = 3.397 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.052745804888814E-15 -5.574963628108E-15 -2.673652803082571E-12 1.458935152808945E-15 -5.557604715109537E-13 -7.271264436135751E-16
q -5.574963628108E-15 1.544843603406102E-14 8.680455087548504E-12 2.04733428952576E-16 1.806395719755353E-12 2.328640210287551E-15
tp -2.673652803082571E-12 8.680455087548504E-12 5.665321759127104E-8 4.028497451314673E-11 1.300131650343618E-8 8.149155669884607E-12
node 1.458935152808945E-15 2.04733428952576E-16 4.028497451314673E-11 3.337901607170658E-8 -3.334904288122754E-8 3.589819158210584E-10
peri -5.557604715109537E-13 1.806395719755353E-12 1.300131650343618E-8 -3.334904288122754E-8 3.634186879278888E-8 -3.569205978490019E-10
i -7.271264436135751E-16 2.328640210287551E-15 8.149155669884607E-12 3.589819158210584E-10 -3.569205978490019E-10 3.072757576809058E-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 16.6   n/a MPO439989  

172213 (2002 QA110)          Discovered 2002-Aug-17 by NEAT at Palomar
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

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