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214072 (2004 GW31)
Classification: Main-belt Asteroid          SPK-ID: 2214072
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1525189104685791 5.7507e-08  
a 2.884881307191148 2.2638e-08 au
q 2.444882353387184 1.6153e-07 au
i 7.214836962547287 4.9963e-06 deg
node 226.5840298928381 3.3416e-05 deg
peri 297.537981225604 3.8002e-05 deg
M 133.7414187148276 2.1441e-05 deg
tp 2458335.603913991024
(2018-Aug-05.10391399)
0.00010275 TDB
period 1789.741676612661
4.90
2.1067e-05
5.768e-08
d
yr
n .2011463468188051 2.3677e-09 deg/d
Q 3.324880260995112 2.6091e-08 au
  Orbit Determination Parameters
   # obs. used (total)      340  
   data-arc span      6536 days (17.89 yr)  
   first obs. used      2002-11-24  
   last obs. used      2020-10-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56162  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 03:50:31  

Additional Information
 Earth MOID = 1.46214 au 
 Jupiter MOID = 1.72042 au 
 T_jup = 3.264 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457692.5 (2016-Oct-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1505898169588932 5.7524e-08  
q 2.450185784114106 1.6103e-07 au
tp 2458333.146654296715
(2018-Aug-02.64665430)
0.0001047 TDB
node 226.7049616715207 3.3309e-05 deg
peri 297.0470066233106 3.8094e-05 deg
i 7.225356284590569 5.0038e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      340  
   data-arc span      6536 days (17.89 yr)  
   first obs. used      2002-11-24  
   last obs. used      2020-10-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56162  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 03:50:31  

Additional Information
 Jupiter MOID = 1.72042 au 
 T_jup = 3.264 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.308967856111069E-15 -9.203402077999536E-15 2.876305669442313E-12 1.208370096953427E-14 3.27484362299567E-13 3.909092781615478E-15
q -9.203402077999536E-15 2.592947154842578E-14 -7.312953391451876E-12 -3.607526798381373E-14 -8.041679429609566E-13 -1.086058946190985E-14
tp 2.876305669442313E-12 -7.312953391451876E-12 1.096117934016561E-8 1.559923373400574E-11 1.915369077719433E-9 9.733135262764722E-14
node 1.208370096953427E-14 -3.607526798381373E-14 1.559923373400574E-11 1.109496652920609E-9 -1.098017609975024E-9 7.487053626836014E-12
peri 3.27484362299567E-13 -8.041679429609566E-13 1.915369077719433E-9 -1.098017609975024E-9 1.451180732251748E-9 -7.730284312921579E-12
i 3.909092781615478E-15 -1.086058946190985E-14 9.733135262764722E-14 7.487053626836014E-12 -7.730284312921579E-12 2.503821705119946E-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 15.6   n/a MPO437026  
diameter diameter 4.536 km 1.493 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.049   0.049 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

214072 (2004 GW31)          Discovered 2004-Apr-09 by Siding Spring Survey at Siding Spring
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

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