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JPL Small-Body Database Browser
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35597 (1998 HJ118)
Classification: Main-belt Asteroid          SPK-ID: 2035597
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09063232793011679 4.3533e-08  
a 2.686038771541497 1.6445e-08 au
q 2.44259682476614 1.2027e-07 au
i 14.24591909345362 5.6863e-06 deg
node 160.9265043365737 1.636e-05 deg
peri 52.44448726766458 3.7201e-05 deg
M 278.863955438916 3.6831e-05 deg
tp 2458962.891642680936
(2020-Apr-23.39164268)
0.00016643 TDB
period 1607.928905961371
4.40
1.4766e-05
4.043e-08
d
yr
n .223890495820621 2.0561e-09 deg/d
Q 2.929480718316855 1.7935e-08 au
  Orbit Determination Parameters
   # obs. used (total)      956  
   data-arc span      7599 days (20.80 yr)  
   first obs. used      1998-04-23  
   last obs. used      2019-02-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62821  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:47:49  

Additional Information
 Earth MOID = 1.4666 au 
 Jupiter MOID = 2.08328 au 
 T_jup = 3.324 
[ 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 14.4   n/a MPO431901  
diameter diameter 3.311 km 0.866 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.307   0.117 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

35597 (1998 HJ118)          Discovered 1998-Apr-23 by LINEAR at Socorro
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 HJ118 = 1999 RR136 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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