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

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
85873 (1999 CE1)
Classification: Main-belt Asteroid          SPK-ID: 2085873
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06427280484719344 3.9842e-08  
a 2.281245441943895 7.1515e-09 au
q 2.134623398845285 9.131e-08 au
i 4.786520498027727 3.3175e-06 deg
node 97.21947334321327 5.1824e-05 deg
peri 92.03319786348722 5.818e-05 deg
M 128.966881409901 2.5927e-05 deg
tp 2458945.649925956881
(2020-Apr-06.14992596)
9.0635e-05 TDB
period 1258.509354348567
3.45
5.918e-06
1.62e-08
d
yr
n .2860527009641055 1.3451e-09 deg/d
Q 2.427867485042504 7.6111e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1097  
   data-arc span      8246 days (22.58 yr)  
   first obs. used      1999-01-10  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52432  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 01:54:22  

Additional Information
 Earth MOID = 1.14168 au 
 Jupiter MOID = 2.53373 au 
 T_jup = 3.598 
[ 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 15.43   n/a MPO637177  
diameter diameter 1.864 km 0.109 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 183.228 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.464   0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85873 (1999 CE1)          Discovered 1999-Feb-05 by Kagawa, T. at Gekko
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-26 19:48 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin