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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1604323047795761 4.2854e-08  
a 2.733950593839189 1.6742e-08 au
q 2.295336598916077 1.2014e-07 au
i 13.8258368228884 4.4938e-06 deg
node 127.5571615425469 1.8507e-05 deg
peri 118.1939282921697 2.4301e-05 deg
M 299.0020642395305 1.6963e-05 deg
tp 2459280.267368171343
(2021-Mar-06.76736817)
7.9024e-05 TDB
period 1651.141981872668
4.52
1.5166e-05
4.152e-08
d
yr
n .2180309167547786 2.0027e-09 deg/d
Q 3.172564588762302 1.9428e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1103  
   data-arc span      9429 days (25.82 yr)  
   first obs. used      1994-07-05  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53395  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 08:07:02  

Additional Information
 Earth MOID = 1.31718 au 
 Jupiter MOID = 2.03593 au 
 T_jup = 3.293 
[ 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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