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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
48177 (2001 HF27)
Classification: Main-belt Asteroid          SPK-ID: 2048177
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1370336974027173 3.6717e-08  
a 3.188558754916071 2.0252e-08 au
q 2.751618759344117 1.1489e-07 au
i 6.827748628629656 4.3646e-06 deg
node 48.63466731150424 3.9196e-05 deg
peri 207.9410181231512 4.3111e-05 deg
M 102.2270852394478 1.7667e-05 deg
tp 2458409.954260975133
(2018-Oct-18.45426098)
0.00010211 TDB
period 2079.649102299892
5.69
1.9813e-05
5.425e-08
d
yr
n .1731061262219067 1.6492e-09 deg/d
Q 3.625498750488025 2.3027e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1120  
   data-arc span      8976 days (24.57 yr)  
   first obs. used      1995-04-06  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55057  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 03:32:55  

Additional Information
 Earth MOID = 1.73924 au 
 Jupiter MOID = 1.43387 au 
 T_jup = 3.172 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456950.5 (2014-Oct-20.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1375599047057652 3.6367e-08  
q 2.750709643338689 1.1401e-07 au
tp 2456335.961497766426
(2013-Feb-12.46149777)
0.00010567 TDB
node 48.66010002725915 3.919e-05 deg
peri 209.1001503490323 4.3129e-05 deg
i 6.829444545435611 4.3652e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1120  
   data-arc span      8976 days (24.57 yr)  
   first obs. used      1995-04-06  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55057  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 03:32:55  

Additional Information
 Jupiter MOID = 1.43387 au 
 T_jup = 3.172 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.322552720728469E-15 -4.097709181593114E-15 -2.165319292805368E-13 -2.385341234206742E-15 -4.375472753714636E-14 1.238607632357782E-16
q -4.097709181593114E-15 1.299735362340921E-14 2.051866564485231E-13 6.268374959552962E-15 7.495090986385731E-14 2.253490444009599E-17
tp -2.165319292805368E-13 2.051866564485231E-13 1.11664152486552E-8 -1.245432435908987E-13 1.933513543392104E-9 -4.220288369556349E-12
node -2.385341234206742E-15 6.268374959552962E-15 -1.245432435908987E-13 1.535819100077081E-9 -1.524767635966542E-9 -2.298514144571812E-11
peri -4.375472753714636E-14 7.495090986385731E-14 1.933513543392104E-9 -1.524767635966542E-9 1.860139216922698E-9 2.211957310896427E-11
i 1.238607632357782E-16 2.253490444009599E-17 -4.220288369556349E-12 -2.298514144571812E-11 2.211957310896427E-11 1.905458681873812E-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 13.9   n/a MPO436119  
diameter diameter 9.399 km 0.226 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.060   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48177 (2001 HF27)          Discovered 2001-Apr-27 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 HF27 = 1995 GR6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-20 08:21 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin