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JPL Small-Body Database Browser
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35601 (1998 HJ122)
Classification: Main-belt Asteroid          SPK-ID: 2035601
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1604631819077267 5.4262e-08  
a 2.734757659859357 1.8691e-08 au
q 2.295929744011796 1.4665e-07 au
i 13.82368508602653 4.5308e-06 deg
node 127.5582790552201 2.6511e-05 deg
peri 118.0738469912673 3.1359e-05 deg
M 211.948530609202 1.7155e-05 deg
tp 2459279.839581436646
(2021-Mar-06.33958144)
8.0795e-05 TDB
period 1651.873164944036
4.52
1.6934e-05
4.636e-08
d
yr
n .2179344078225258 2.2342e-09 deg/d
Q 3.173585575706917 2.169e-08 au
  Orbit Determination Parameters
   # obs. used (total)      888  
   data-arc span      8987 days (24.61 yr)  
   first obs. used      1994-07-05  
   last obs. used      2019-02-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57269  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:47:50  

Additional Information
 Earth MOID = 1.3176 au 
 Jupiter MOID = 2.03464 au 
 T_jup = 3.292 
[ 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 14.9   n/a MPO385041  
diameter diameter 4.251 km 0.739 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.186   0.068 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

35601 (1998 HJ122)          Discovered 1998-Apr-23 by LINEAR at Socorro
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 HJ122 = 1994 NE2 = 2002 AY154 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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