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 ]  
79775 (1998 UH19)
Classification: Main-belt Asteroid          SPK-ID: 2079775
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2294203377935297 5.7091e-08  
a 2.577088177555194 1.3713e-08 au
q 1.985851737336769 1.4752e-07 au
i 26.10970969770622 5.2363e-06 deg
node 203.697436580671 1.312e-05 deg
peri 250.1422253986411 1.8274e-05 deg
M 80.21523570566771 9.5268e-06 deg
tp 2458863.797215487985
(2020-Jan-15.29721549)
4.0668e-05 TDB
period 1511.097004926722
4.14
1.2061e-05
3.302e-08
d
yr
n .2382375180589135 1.9016e-09 deg/d
Q 3.168324617773619 1.6859e-08 au
  Orbit Determination Parameters
   # obs. used (total)      503  
   data-arc span      8206 days (22.47 yr)  
   first obs. used      1998-09-26  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55012  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:43:37  

Additional Information
 Earth MOID = 1.1251 au 
 Jupiter MOID = 2.56837 au 
 T_jup = 3.249 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457622.5 (2016-Aug-22.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2283750433938588 5.7091e-08  
q 1.989950348416765 1.4752e-07 au
tp 2457353.321957677374
(2015-Nov-26.82195768)
4.6135e-05 TDB
node 203.7086397811686 1.3116e-05 deg
peri 250.4403333619098 1.8326e-05 deg
i 26.10406752973399 5.2335e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      503  
   data-arc span      8206 days (22.47 yr)  
   first obs. used      1998-09-26  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55012  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:43:37  

Additional Information
 Jupiter MOID = 2.56837 au 
 T_jup = 3.249 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.259427561660757E-15 -8.399617559265291E-15 -3.542203532730051E-13 8.175820039133996E-15 -8.887135273629857E-14 -4.062977663433132E-14
q -8.399617559265291E-15 2.176149996068072E-14 6.45550631263534E-13 -2.232653068743649E-14 1.606051505452064E-13 1.054279675922471E-13
tp -3.542203532730051E-13 6.45550631263534E-13 2.128414791986978E-9 2.084968942195176E-12 6.227034978428459E-10 4.566172019303575E-12
node 8.175820039133996E-15 -2.232653068743649E-14 2.084968942195176E-12 1.720380439934009E-10 -1.542225025329147E-10 2.520478136375418E-11
peri -8.887135273629857E-14 1.606051505452064E-13 6.227034978428459E-10 -1.542225025329147E-10 3.358365944913619E-10 -2.172332921996299E-11
i -4.062977663433132E-14 1.054279675922471E-13 4.566172019303575E-12 2.520478136375418E-11 -2.172332921996299E-11 2.738946193454273E-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 15.69   n/a E2021B10  
diameter diameter 2.766 km 0.398 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.192   0.094 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

79775 (1998 UH19)          Discovered 1998-Oct-28 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-14 18:15 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin