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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2972957028520233 4.7758e-08  
a 2.44033202093236 1.0102e-08 au
q 1.714831797576976 1.2004e-07 au
i 22.17348509324631 8.6712e-06 deg
node 152.0178324935409 9.6437e-06 deg
peri 247.965433946869 1.9135e-05 deg
M 296.2675354575545 1.5815e-05 deg
tp 2459247.007431744028
(2021-Feb-01.50743174)
6.1949e-05 TDB
period 1392.424976265399
3.81
8.6463e-06
2.367e-08
d
yr
n .2585417571046092 1.6054e-09 deg/d
Q 3.165832244287745 1.3106e-08 au
  Orbit Determination Parameters
   # obs. used (total)      322  
   data-arc span      7023 days (19.23 yr)  
   first obs. used      2001-07-20  
   last obs. used      2020-10-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53624  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:42:15  

Additional Information
 Earth MOID = .827781 au 
 Jupiter MOID = 2.60346 au 
 T_jup = 3.343 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458225.5 (2018-Apr-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2987937911373667 4.7755e-08  
q 1.709832441367596 1.2008e-07 au
tp 2457855.224512968310
(2017-Apr-11.72451297)
5.7059e-05 TDB
node 152.1441297471403 9.6589e-06 deg
peri 247.8498601410557 1.8997e-05 deg
i 22.17109043601245 8.6695e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      322  
   data-arc span      7023 days (19.23 yr)  
   first obs. used      2001-07-20  
   last obs. used      2020-10-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53624  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:42:15  

Additional Information
 Jupiter MOID = 2.60346 au 
 T_jup = 3.343 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.280556816013666E-15 -5.726596349136868E-15 -1.787655228587405E-12 1.542569759605201E-15 -4.402942616724808E-13 -1.269830149367429E-14
q -5.726596349136868E-15 1.441832523672018E-14 4.529172314850197E-12 -3.87772072839407E-15 1.122379270040503E-12 3.337281557886724E-14
tp -1.787655228587405E-12 4.529172314850197E-12 3.255707347047472E-9 1.778914388686437E-13 9.316335450453504E-10 2.458614987979409E-11
node 1.542569759605201E-15 -3.87772072839407E-15 1.778914388686437E-13 9.329338790672962E-11 -8.54694963547546E-11 -1.209160581471758E-11
peri -4.402942616724808E-13 1.122379270040503E-12 9.316335450453504E-10 -8.54694963547546E-11 3.608780982480486E-10 1.825127964470506E-11
i -1.269830149367429E-14 3.337281557886724E-14 2.458614987979409E-11 -1.209160581471758E-11 1.825127964470506E-11 7.516002530074037E-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 16.4   n/a MPO294744  
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

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