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 ]  
46817 (1998 MG16)
Classification: Main-belt Asteroid          SPK-ID: 2046817
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2245891634110027 5.3742e-08  
a 2.403643917355446 8.6186e-09 au
q 1.86381154081864 1.2769e-07 au
i 2.745774264192766 4.2541e-06 deg
node 150.0541094880938 9.8897e-05 deg
peri 224.7420458242909 9.9251e-05 deg
M 274.9976224894116 1.0229e-05 deg
tp 2459321.889878084652
(2021-Apr-17.38987808)
3.9568e-05 TDB
period 1361.142587994816
3.73
7.3209e-06
2.004e-08
d
yr
n .2644836795021883 1.4225e-09 deg/d
Q 2.943476293892251 1.0554e-08 au
  Orbit Determination Parameters
   # obs. used (total)      619  
   data-arc span      11567 days (31.67 yr)  
   first obs. used      1987-08-24  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60364  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:39:24  

Additional Information
 Earth MOID = .865887 au 
 Jupiter MOID = 2.51973 au 
 T_jup = 3.488 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456803.5 (2014-May-26.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2233837041221839 5.3545e-08  
q 1.866790742535537 1.268e-07 au
tp 2456601.505089507668
(2013-Nov-05.00508951)
3.4561e-05 TDB
node 150.0910492222165 9.9026e-05 deg
peri 224.9652195379149 9.9387e-05 deg
i 2.742758005872197 4.2505e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      619  
   data-arc span      11567 days (31.67 yr)  
   first obs. used      1987-08-24  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60364  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:39:24  

Additional Information
 Jupiter MOID = 2.51973 au 
 T_jup = 3.488 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.867025715540505E-15 -6.78039708995731E-15 6.181924359013979E-13 -2.1410593518136E-14 8.18377198836575E-14 -2.768958911554859E-15
q -6.78039708995731E-15 1.607835123173245E-14 -1.447216376910056E-12 5.02938128241431E-14 -1.87972817591189E-13 6.535549417361491E-15
tp 6.181924359013979E-13 -1.447216376910056E-12 1.194429229679992E-9 -1.296884836816674E-11 3.134127213108324E-10 -1.705002985735094E-12
node -2.1410593518136E-14 5.02938128241431E-14 -1.296884836816674E-11 9.806118173754596E-9 -9.797372399544721E-9 8.953689675184837E-11
peri 8.18377198836575E-14 -1.87972817591189E-13 3.134127213108324E-10 -9.797372399544721E-9 9.877716484749708E-9 -8.980322669194072E-11
i -2.768958911554859E-15 6.535549417361491E-15 -1.705002985735094E-12 8.953689675184837E-11 -8.980322669194072E-11 1.806716453761343E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.1   n/a MPO436109  

46817 (1998 MG16)          Discovered 1998-Jun-24 by Spacewatch at Kitt Peak
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-12 15:32 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin