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JPL Small-Body Database Browser
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74036 (1998 HR45)
Classification: Main-belt Asteroid          SPK-ID: 2074036
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1058647419794104 4.3638e-08  
a 2.257917221213996 9.6679e-09 au
q 2.018883397179309 9.782e-08 au
i 3.469198503083356 3.8841e-06 deg
node 270.0004833140919 8.7962e-05 deg
peri 311.5502695752323 9.0418e-05 deg
M 58.3936939649759 2.1756e-05 deg
tp 2458399.487113732095
(2018-Oct-07.98711373)
7.4655e-05 TDB
period 1239.254346536968
3.39
7.9593e-06
2.179e-08
d
yr
n .2904972663650536 1.8658e-09 deg/d
Q 2.496951045248683 1.0691e-08 au
  Orbit Determination Parameters
   # obs. used (total)      622  
   data-arc span      7844 days (21.48 yr)  
   first obs. used      1998-03-25  
   last obs. used      2019-09-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57266  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:43:10  

Additional Information
 Earth MOID = 1.01219 au 
 Jupiter MOID = 2.48804 au 
 T_jup = 3.612 
[ 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 16.2   n/a MPO337816  

74036 (1998 HR45)          Discovered 1998-Apr-20 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 HR45 = 2001 DN38 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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