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382495 (2001 QH1)
Classification: Main-belt Asteroid          SPK-ID: 2382495
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2971931195604811 4.7689e-08  
a 2.439697522994533 9.9032e-09 au
q 1.714636205351809 1.1968e-07 au
i 22.17759947929444 8.6406e-06 deg
node 152.0148791846404 9.6249e-06 deg
peri 248.0328495001381 1.9109e-05 deg
M 38.62835381395081 1.6083e-05 deg
tp 2459247.149698168772
(2021-Feb-01.64969817)
6.1723e-05 TDB
period 1391.881955886614
3.81
8.4749e-06
2.32e-08
d
yr
n .2586426230166076 1.5748e-09 deg/d
Q 3.164758840637257 1.2846e-08 au
  Orbit Determination Parameters
   # obs. used (total)      326  
   data-arc span      7070 days (19.36 yr)  
   first obs. used      2001-07-20  
   last obs. used      2020-11-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5381  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 10:54:22  

Additional Information
 Earth MOID = .827134 au 
 Jupiter MOID = 2.60677 au 
 T_jup = 3.344 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458231.5 (2018-Apr-23.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2987889387396241 4.7686e-08  
q 1.709848431127658 1.1989e-07 au
tp 2457855.222916777938
(2017-Apr-11.72291678)
5.681e-05 TDB
node 152.1440825995547 9.6421e-06 deg
peri 247.8502962361675 1.8951e-05 deg
i 22.1710259083891 8.6376e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      326  
   data-arc span      7070 days (19.36 yr)  
   first obs. used      2001-07-20  
   last obs. used      2020-11-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5381  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 10:54:22  

Additional Information
 Jupiter MOID = 2.60677 au 
 T_jup = 3.344 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.273993491645904E-15 -5.709458235302821E-15 -1.774394937884411E-12 2.339175051770114E-15 -4.374945800743027E-13 -1.369093329615782E-14
q -5.709458235302821E-15 1.437357086821116E-14 4.494536572732081E-12 -5.897216045098484E-15 1.115023190086242E-12 3.588766922799607E-14
tp -1.774394937884411E-12 4.494536572732081E-12 3.227352924370374E-9 -9.160102115507981E-13 9.25104101482199E-10 2.589606196591634E-11
node 2.339175051770114E-15 -5.897216045098484E-15 -9.160102115507981E-13 9.297087012446482E-11 -8.54654351893072E-11 -1.166969264285681E-11
peri -4.374945800743027E-13 1.115023190086242E-12 9.25104101482199E-10 -8.54654351893072E-11 3.591425030755697E-10 1.821367126677504E-11
i -1.369093329615782E-14 3.588766922799607E-14 2.589606196591634E-11 -1.166969264285681E-11 1.821367126677504E-11 7.46076689428046E-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 16.59   n/a E2021B25  
diameter diameter 1.764 km 0.166 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.188   0.066 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

382495 (2001 QH1)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: Last Updated: 2014-01-21

[ show close-approach data ]
Alternate Designations
 2001 QH1 = 2005 TO9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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