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JPL Small-Body Database Browser
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136943 (1998 QH73)
Classification: Main-belt Asteroid          SPK-ID: 2136943
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2882477732174675 5.2654e-08  
a 2.433589214584217 1.192e-08 au
q 1.73211254255427 1.2597e-07 au
i 7.506217083878062 6.9346e-06 deg
node 207.4691745647568 4.4834e-05 deg
peri 88.26144650070451 4.6604e-05 deg
M 185.5336757816943 1.2627e-05 deg
tp 2459272.514192533001
(2021-Feb-27.01419253)
5.0314e-05 TDB
period 1386.657914619471
3.80
1.0188e-05
2.789e-08
d
yr
n .259617023207048 1.9075e-09 deg/d
Q 3.135065886614163 1.5357e-08 au
  Orbit Determination Parameters
   # obs. used (total)      382  
   data-arc span      7058 days (19.32 yr)  
   first obs. used      1998-08-24  
   last obs. used      2017-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54201  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Mar-06 00:49:11  

Additional Information
 Earth MOID = .736167 au 
 Jupiter MOID = 2.14694 au 
 T_jup = 3.437 
[ 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 16.4   n/a MPO436676  

136943 (1998 QH73)          Discovered 1998-Aug-24 by LINEAR at Socorro
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ show close-approach data ]
Alternate Designations
 1998 QH73 = 2002 TM27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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