Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
35622 (1998 JF4)
Classification: Main-belt Asteroid          SPK-ID: 2035622
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1536695865253748 3.3371e-08  
a 2.618877888220715 1.1358e-08 au
q 2.216436005977391 8.6409e-08 au
i 4.343751147596016 3.9312e-06 deg
node 110.9406888616565 7.5435e-05 deg
peri 23.92891427794798 7.8247e-05 deg
M 58.90537194266464 2.0778e-05 deg
tp 2458347.206700157146
(2018-Aug-16.70670016)
8.8799e-05 TDB
period 1548.001225290327
4.24
1.0071e-05
2.757e-08
d
yr
n .2325579554580018 1.5129e-09 deg/d
Q 3.021319770464038 1.3104e-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 = 1.23185 au 
 Jupiter MOID = 2.01786 au 
 T_jup = 3.385 
[ 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-January); 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin