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187874 (2000 QH91)
Classification: Main-belt Asteroid          SPK-ID: 2187874
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2858909227223133 4.7193e-08  
a 2.618269804001427 1.241e-08 au
q 1.869730233799488 1.2216e-07 au
i 2.661524676103622 4.3987e-06 deg
node 250.3484780960369 0.00014629 deg
peri 59.66906909932502 0.00014666 deg
M 303.1523876267122 1.1749e-05 deg
tp 2459444.859794156944
(2021-Aug-18.35979416)
5.1126e-05 TDB
period 1547.462104808397
4.24
1.1002e-05
3.012e-08
d
yr
n .2326389763480342 1.6539e-09 deg/d
Q 3.366809374203365 1.5957e-08 au
  Orbit Determination Parameters
   # obs. used (total)      351  
   data-arc span      10008 days (27.40 yr)  
   first obs. used      1992-11-24  
   last obs. used      2020-04-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56945  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:57:10  

Additional Information
 Earth MOID = .855006 au 
 Jupiter MOID = 1.93 au 
 T_jup = 3.345 
[ show covariance matrix ]

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 16.48   n/a E2021B55  

187874 (2000 QH91)          Discovered 2000-Aug-25 by LINEAR at Socorro
Reference: 20080618/Numbers.arcLast Updated: 2008-06-20

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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