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JPL Small-Body Database Browser
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35622 (1998 JF4)
Classification: Main-belt Asteroid          SPK-ID: 2035622
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1540427380425691 3.346e-08  
a 2.621513515096237 1.1528e-08 au
q 2.217688395415213 8.6667e-08 au
i 4.345927367629692 3.9293e-06 deg
node 110.9235556306404 7.5326e-05 deg
peri 24.47207326613622 7.8106e-05 deg
M 151.2127664344728 2.0824e-05 deg
tp 2458349.302781970935
(2018-Aug-18.80278197)
8.8456e-05 TDB
period 1550.338665300809
4.24
1.0227e-05
2.8e-08
d
yr
n .2322073286678624 1.5317e-09 deg/d
Q 3.025338634777262 1.3304e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1277  
   data-arc span      7689 days (21.05 yr)  
   first obs. used      1998-04-22  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52374  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:55:03  

Additional Information
 Earth MOID = 1.23263 au 
 Jupiter MOID = 2.0111 au 
 T_jup = 3.383 
[ 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 14.5   n/a MPO340942  
diameter diameter 7.078 km 0.078 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.46417 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.082   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

35622 (1998 JF4)          Discovered 1998-May-05 by Zoltowski, F. B. at Woomera
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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