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63687 (2001 QH154)
Classification: Main-belt Asteroid          SPK-ID: 2063687
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0673928064615938 4.6793e-08  
a 2.803123591539141 1.5838e-08 au
q 2.614213225846616 1.304e-07 au
i 14.21936208244498 4.2158e-06 deg
node 322.8783203026128 1.8937e-05 deg
peri 245.0965820244215 3.8295e-05 deg
M 153.296879465825 3.6694e-05 deg
tp 2458270.550844853868
(2018-Jun-01.05084485)
0.00017195 TDB
period 1714.20120728022
4.69
1.4528e-05
3.978e-08
d
yr
n .2100103526185131 1.7799e-09 deg/d
Q 2.992033957231666 1.6905e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1034  
   data-arc span      9788 days (26.80 yr)  
   first obs. used      1994-01-12  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51537  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:29:10  

Additional Information
 Earth MOID = 1.64838 au 
 Jupiter MOID = 2.08977 au 
 T_jup = 3.276 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.6   n/a MPO502563  
diameter diameter 6.066 km 0.248 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.076   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

63687 (2001 QH154)          Discovered 2001-Aug-30 by Sarounova, L. at Ondrejov
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 QH154 = 1999 ER3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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