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3521 Comrie (1982 MH)
Classification: Main-belt Asteroid          SPK-ID: 2003521
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0671471639824574 2.3839e-08  
a 2.261358407385518 5.6359e-09 au
q 2.109514603581693 5.5745e-08 au
i 3.867294153972401 2.9695e-06 deg
node 58.83782114379088 4.5652e-05 deg
peri 35.39395290682112 5.288e-05 deg
M 300.420527378488 2.7152e-05 deg
tp 2459406.063820575153
(2021-Jul-10.56382058)
9.3842e-05 TDB
period 1242.08846018444
3.40
4.6434e-06
1.271e-08
d
yr
n .2898344293018734 1.0835e-09 deg/d
Q 2.413202211189342 6.0143e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2467  
   data-arc span      14146 days (38.73 yr)  
   first obs. used      1982-06-26  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45214  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:02:12  

Additional Information
 Earth MOID = 1.12726 au 
 Jupiter MOID = 2.67806 au 
 T_jup = 3.613 
[ 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 14.33   n/a MPCxxxxx  
diameter diameter 3.875 km 0.170 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.270   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3521 Comrie (1982 MH)          Discovered 1982-Jun-26 by Gilmore, A. and Kilmartin, P. at Mount John
Reference: DISCOVERY.DBLast Updated: 2003-08-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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