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
JPL Small-Body Database Browser
Search: [ help ]  
4558 Janesick (1988 NF)
Classification: Mars-crossing Asteroid          SPK-ID: 2004558
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3626181103176853 1.5039e-08  
a 2.198054565675022 5.3382e-09 au
q 1.401000172694785 3.2784e-08 au
i 22.18405918175955 8.7476e-07 deg
node 254.836581300823 1.6567e-06 deg
peri 94.32930384695453 2.1346e-06 deg
M 328.9801456354775 3.2443e-06 deg
tp 2459303.063630329040
(2021-Mar-29.56363033)
1.106e-05 TDB
period 1190.299170478477
3.26
4.3361e-06
1.187e-08
d
yr
n .3024449725990208 1.1018e-09 deg/d
Q 2.995108958655259 7.2739e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2005  
   data-arc span      15412 days (42.20 yr)  
   first obs. used      1978-07-07  
   last obs. used      2020-09-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40617  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 16:29:53  

Additional Information
 Earth MOID = .59258 au 
 Jupiter MOID = 2.90543 au 
 T_jup = 3.489 
[ 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 12.71   n/a E2021B10  
diameter diameter 7.326 km 1.400 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
rotation period rot_per 173.4 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Behrend, R. (2020) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.290   0.073 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
SMASSII spectral type spec_B S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

4558 Janesick (1988 NF)          Discovered 1988-Jul-12 by Maury and Mueller at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1988 NF = 1975 XG2 = 1978 NW3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-18 20:09 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin