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 ]  
74499 (1999 CH141)
Classification: Main-belt Asteroid          SPK-ID: 2074499
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .218811842992842 4.0988e-08  
a 3.116834679704775 1.9956e-08 au
q 2.434834339134569 1.3449e-07 au
i .8044900555776475 4.379e-06 deg
node 299.003897341687 0.00043665 deg
peri 145.3211904315884 0.00043693 deg
M 264.4646115487084 1.6455e-05 deg
tp 2459133.872783451371
(2020-Oct-11.37278345)
9.5202e-05 TDB
period 2009.875137948396
5.50
1.9302e-05
5.285e-08
d
yr
n .1791156043491708 1.7202e-09 deg/d
Q 3.798835020274981 2.4322e-08 au
  Orbit Determination Parameters
   # obs. used (total)      642  
   data-arc span      9854 days (26.98 yr)  
   first obs. used      1992-11-28  
   last obs. used      2019-11-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54547  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:26:19  

Additional Information
 Earth MOID = 1.45098 au 
 Jupiter MOID = 1.44697 au 
 T_jup = 3.180 
[ 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 15.1   n/a MPO313949  
diameter diameter 5.101 km 0.200 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.062   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74499 (1999 CH141)          Discovered 1999-Feb-10 by Spacewatch at Kitt Peak
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 CH141 = 2002 QS 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-15 21:34 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin