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66027 (1998 QH49)
Classification: Main-belt Asteroid          SPK-ID: 2066027
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1606502625217605 5.2081e-08  
a 2.981271133167174 1.7629e-08 au
q 2.502329142975321 1.4932e-07 au
i 13.74275768435116 3.9666e-06 deg
node 151.0069293008584 1.7151e-05 deg
peri 225.8835312838516 2.0922e-05 deg
M 96.174660763416 1.1873e-05 deg
tp 2458698.205061819207
(2019-Aug-02.70506182)
6.1289e-05 TDB
period 1880.185241203057
5.15
1.6677e-05
4.566e-08
d
yr
n .1914704956250216 1.6983e-09 deg/d
Q 3.460213123359027 2.0461e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1232  
   data-arc span      8250 days (22.59 yr)  
   first obs. used      1998-08-17  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51575  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 07:00:34  

Additional Information
 Earth MOID = 1.52111 au 
 Jupiter MOID = 2.06158 au 
 T_jup = 3.197 
[ 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 5.280 km 0.357 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.145   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66027 (1998 QH49)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 QH49 = 2000 AP178 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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