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 ]  
46820 (1998 MK28)
Classification: Main-belt Asteroid          SPK-ID: 2046820
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1754125410776313 3.0745e-08  
a 2.394343309368073 8.5278e-09 au
q 1.974345465259594 7.7151e-08 au
i 1.709036751702928 3.5025e-06 deg
node 260.6887321255994 0.00012438 deg
peri 51.60140736642208 0.00012497 deg
M 4.664316678211529 1.169e-05 deg
tp 2459182.966703117098
(2020-Nov-29.46670312)
4.393e-05 TDB
period 1353.250071404894
3.70
7.2297e-06
1.979e-08
d
yr
n .2660262191054321 1.4212e-09 deg/d
Q 2.814341153476552 1.0024e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1068  
   data-arc span      8583 days (23.50 yr)  
   first obs. used      1997-03-11  
   last obs. used      2020-09-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54322  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:52:38  

Additional Information
 Earth MOID = .958715 au 
 Jupiter MOID = 2.45145 au 
 T_jup = 3.508 
[ 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 15.72   n/a E2021B10  

46820 (1998 MK28)          Discovered 1998-Jun-24 by LINEAR at Socorro
Reference: 20020921/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 2021-Jun-14 19:51 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin