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 ]  
281P/MOSS
Classification: Jupiter-family Comet          SPK-ID: 1003234
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2455414.5 (2010-Aug-06.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1735899416775329 1.52e-06  
a 4.862376225775631 1.6528e-05 au
q 4.018316620329017 1.1297e-05 au
i 4.720989637504819 7.2777e-05 deg
node 87.1882997896256 0.0013108 deg
peri 25.99138379333293 0.025394 deg
M 300.9383172161361 0.018582 deg
tp 2456057.002144775568
(2012-May-09.50214478)
0.20542 TDB
period 3916.257736266155
10.72
0.019968
5.467e-05
d
yr
n .09192449124741005 4.687e-07 deg/d
Q 5.706435831222246 1.9397e-05 au
  Orbit Determination Parameters
   # obs. used (total)      98  
   data-arc span      4550 days (12.46 yr)  
   first obs. used      2000-11-17  
   last obs. used      2013-05-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      3  
   norm. resid. RMS      .62345  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:28:15  

Additional Information
 Earth MOID = 3.03444 au 
 Jupiter MOID = .0821352 au 
 T_jup = 2.968 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
comet total magnitude M1 11.3   0.6 10 from 56 observations, assumed slope, autocmod 2.9c
comet total magnitude slope K1 10.   n/a 10 autocmod 2.9c
comet nuclear magnitude M2 14.4   0.6 10 from 40 observations, autocmod 2.9c
comet nuclear magnitude slope K2 5.   n/a 10 autocmod 2.9c
comet nuclear phase coefficient PC 0.03   n/a 10 autocmod 2.9c

[ show close-approach data ]
Alternate Designations
 Perihelion 
Year
(est.)
 New-Style 
Desig
Roman
 Numeral 
Year/
 Letter 
 2012.4   281P/2013 CE31       
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-21 03:40 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin