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 ]  
19618 Masa (1999 PN3)
Classification: Main-belt Asteroid          SPK-ID: 2019618
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .205626709292056 3.6714e-08  
a 2.349970671131135 8.5891e-09 au
q 1.866753935093595 8.9368e-08 au
i 9.112552337597448 3.4451e-06 deg
node 264.3166566748661 2.5333e-05 deg
peri 36.74050534932523 2.6749e-05 deg
M 343.9035770089645 9.712e-06 deg
tp 2459259.332725134191
(2021-Feb-13.83272513)
3.5575e-05 TDB
period 1315.806689480277
3.60
7.2138e-06
1.975e-08
d
yr
n .2735964202630665 1.5e-09 deg/d
Q 2.833187407168674 1.0355e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1660  
   data-arc span      25429 days (69.62 yr)  
   first obs. used      1951-01-04  
   last obs. used      2020-08-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44979  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:59:49  

Additional Information
 Earth MOID = .857783 au 
 Jupiter MOID = 2.39676 au 
 T_jup = 3.513 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457248.5 (2015-Aug-14.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2058620338803221 3.6789e-08  
q 1.866006486559737 8.9494e-08 au
tp 2456626.729934068896
(2013-Nov-30.22993407)
3.4672e-05 TDB
node 264.4340834648849 2.5321e-05 deg
peri 36.4431790388852 2.6726e-05 deg
i 9.115452485794128 3.4462e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1660  
   data-arc span      25429 days (69.62 yr)  
   first obs. used      1951-01-04  
   last obs. used      2020-08-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44979  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:59:49  

Additional Information
 Jupiter MOID = 2.39676 au 
 T_jup = 3.513 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.353415381423159E-15 -3.284389678278138E-15 3.113912924670381E-13 1.12687594671467E-14 6.927031436543861E-14 -1.223635371238774E-15
q -3.284389678278138E-15 8.009188838698244E-15 -7.670971120199973E-13 -2.577364694693562E-14 -1.680566696326979E-13 3.247099880198189E-15
tp 3.113912924670381E-13 -7.670971120199973E-13 1.202131348775658E-9 3.784393850678986E-12 3.146620501838126E-10 1.848415697997857E-12
node 1.12687594671467E-14 -2.577364694693562E-14 3.784393850678986E-12 6.41166408932443E-10 -6.315048765177729E-10 3.867972296259927E-12
peri 6.927031436543861E-14 -1.680566696326979E-13 3.146620501838126E-10 -6.315048765177729E-10 7.142570260582049E-10 -3.355055010111575E-12
i -1.223635371238774E-15 3.247099880198189E-15 1.848415697997857E-12 3.867972296259927E-12 -3.355055010111575E-12 1.187647720392559E-11

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 14.3   n/a MPO467929  
diameter diameter 4.148 km 0.188 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.149   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

19618 Maša           Discovered 1999 Aug. 11 by J. Skvarč at Črni Vrh Observatory.
Maša Kandušer (b. 1964) is an inspirational person and a woman for whom you want to save this world or discover a new one.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010705/MPCPages.arcLast Updated: 2009-05-11

[ 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-May-17 17:41 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin