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18178 (2000 QP28)
Classification: Main-belt Asteroid          SPK-ID: 2018178
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1576531326292251 3.7792e-08  
a 2.182296449488212 6.0861e-09 au
q 1.83825057790076 8.1762e-08 au
i 3.053102538294683 3.9424e-06 deg
node 144.9905205630968 5.7495e-05 deg
peri 182.6684930900779 5.8281e-05 deg
M 120.1726758570408 1.0613e-05 deg
tp 2458807.427847626582
(2019-Nov-19.92784763)
3.4092e-05 TDB
period 1177.522043553128
3.22
4.9259e-06
1.349e-08
d
yr
n .3057267606759306 1.2789e-09 deg/d
Q 2.526342321075664 7.0456e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1656  
   data-arc span      17019 days (46.60 yr)  
   first obs. used      1974-07-19  
   last obs. used      2021-02-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50791  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:24:46  

Additional Information
 Earth MOID = .824798 au 
 Jupiter MOID = 2.79176 au 
 T_jup = 3.662 
[ 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 15.0   n/a MPO337412  
rotation period rot_per 2.592 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

18178 (2000 QP28)          Discovered 2000-Aug-24 by LINEAR at Socorro
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 QP28 = 1974 ON1 = 1987 QX5 = 1999 FL48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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