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382220 (2012 QE30)
Classification: Main-belt Asteroid          SPK-ID: 2382220
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01198246611245518 7.7121e-08  
a 3.09780047946317 5.9127e-08 au
q 3.060681190194856 2.4695e-07 au
i 7.301330696514775 8.0429e-06 deg
node 264.8854736245135 5.7414e-05 deg
peri 252.6587230099342 0.00032221 deg
M 341.9277021983684 0.00031478 deg
tp 2459100.474551500006
(2020-Sep-07.97455150)
0.0017407 TDB
period 1991.492113236015
5.45
5.7017e-05
1.561e-07
d
yr
n .1807689810104389 5.1755e-09 deg/d
Q 3.134919768731486 5.9836e-08 au
  Orbit Determination Parameters
   # obs. used (total)      133  
   data-arc span      4491 days (12.30 yr)  
   first obs. used      2007-10-17  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53467  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:33:16  

Additional Information
 Earth MOID = 2.07789 au 
 Jupiter MOID = 1.90943 au 
 T_jup = 3.210 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457653.5 (2016-Sep-22.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01301386367318006 7.7051e-08  
q 3.055806557468797 2.4686e-07 au
tp 2457112.206557686059
(2015-Mar-30.70655769)
0.0016175 TDB
node 264.9032245104025 5.7421e-05 deg
peri 253.1293724505359 0.00029798 deg
i 7.301864354020379 8.0434e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      133  
   data-arc span      4491 days (12.30 yr)  
   first obs. used      2007-10-17  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53467  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:33:16  

Additional Information
 Jupiter MOID = 1.90943 au 
 T_jup = 3.210 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.936809019276069E-15 -1.848765080863678E-14 -2.465251150078018E-11 1.496991424328368E-14 -4.299351726296913E-12 2.837600984679918E-15
q -1.848765080863678E-14 6.09390603865185E-14 5.092968785868045E-11 -4.290410645629482E-14 8.849875990241644E-12 -3.286462925807256E-15
tp -2.465251150078018E-11 5.092968785868045E-11 2.616447178134712E-6 -4.016851922344823E-10 4.730049301678483E-7 -3.89730485630693E-11
node 1.496991424328368E-14 -4.290410645629482E-14 -4.016851922344823E-10 3.29718582103157E-9 -3.341832131168885E-9 1.131005902246483E-10
peri -4.299351726296913E-12 8.849875990241644E-12 4.730049301678483E-7 -3.341832131168885E-9 8.879172824855679E-8 -1.186882352554415E-10
i 2.837600984679918E-15 -3.286462925807256E-15 -3.89730485630693E-11 1.131005902246483E-10 -1.186882352554415E-10 6.469594088459172E-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 15.9   n/a MPO418952  
diameter diameter 3.616 km 0.816 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.112   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

382220 (2012 QE30)          Discovered 2009-Jan-01 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-12-19

[ show close-approach data ]
Alternate Designations
 2012 QE30 = 2010 MO36 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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