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 ]  
100895 (1998 HN146)
Classification: Main-belt Asteroid          SPK-ID: 2100895
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1433408162567787 4.6882e-08  
a 3.132080320050069 2.6329e-08 au
q 2.683125370392299 1.5352e-07 au
i 19.68266313563933 6.211e-06 deg
node 186.2766358168294 1.3856e-05 deg
peri 72.00036140237394 2.4356e-05 deg
M 345.4976738505185 2.0609e-05 deg
tp 2459282.061072904623
(2021-Mar-08.56107290)
0.00011627 TDB
period 2024.639767649557
5.54
2.5529e-05
6.989e-08
d
yr
n .177809408741354 2.242e-09 deg/d
Q 3.581035269707838 3.0102e-08 au
  Orbit Determination Parameters
   # obs. used (total)      493  
   data-arc span      9367 days (25.65 yr)  
   first obs. used      1994-09-29  
   last obs. used      2020-05-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5495  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:34:15  

Additional Information
 Earth MOID = 1.7453 au 
 Jupiter MOID = 1.63847 au 
 T_jup = 3.107 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457106.5 (2015-Mar-25.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1423055885312425 4.7061e-08  
q 2.687230775124061 1.541e-07 au
tp 2457252.858174197682
(2015-Aug-18.35817420)
0.0001101 TDB
node 186.3100775255615 1.3855e-05 deg
peri 71.49346947768613 2.4415e-05 deg
i 19.67957610792755 6.2104e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      493  
   data-arc span      9367 days (25.65 yr)  
   first obs. used      1994-09-29  
   last obs. used      2020-05-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5495  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:34:15  

Additional Information
 Jupiter MOID = 1.63847 au 
 T_jup = 3.107 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.214759286028653E-15 -7.177120799557687E-15 -2.021348362449559E-12 6.012750772138564E-15 -3.718682939123458E-13 -8.319494725643014E-15
q -7.177120799557687E-15 2.374643547847522E-14 6.706903825630573E-12 -1.767555494092063E-14 1.221820391245781E-12 3.487782111262614E-14
tp -2.021348362449559E-12 6.706903825630573E-12 1.21230735687275E-8 -2.396651415992235E-11 2.239776435294169E-9 7.719220556621928E-12
node 6.012750772138564E-15 -1.767555494092063E-14 -2.396651415992235E-11 1.91967581572896E-10 -1.84600752115036E-10 2.360849212587157E-11
peri -3.718682939123458E-13 1.221820391245781E-12 2.239776435294169E-9 -1.84600752115036E-10 5.960933547102231E-10 -2.052784650813413E-11
i -8.319494725643014E-15 3.487782111262614E-14 7.719220556621928E-12 2.360849212587157E-11 -2.052784650813413E-11 3.856898890483073E-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 15.0   n/a MPO248020  
diameter diameter 5.519 km 0.174 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.070   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100895 (1998 HN146)          Discovered 1998-Apr-22 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 HN146 = 1994 SN10 = 2004 LP 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-23 12:31 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin