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 ]  
173657 (2001 HN14)
Classification: Main-belt Asteroid          SPK-ID: 2173657
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08445207316924988 4.7891e-08  
a 2.399249780877462 1.494e-08 au
q 2.196628162831492 1.1405e-07 au
i 3.708972522990148 6.4166e-06 deg
node 26.57409139398994 7.1534e-05 deg
peri 204.842524917571 7.9616e-05 deg
M 20.95590299068135 3.4892e-05 deg
tp 2458921.483916234440
(2020-Mar-12.98391623)
0.00013146 TDB
period 1357.411807463077
3.72
1.2678e-05
3.471e-08
d
yr
n .2652106000704523 2.4771e-09 deg/d
Q 2.601871398923433 1.6201e-08 au
  Orbit Determination Parameters
   # obs. used (total)      261  
   data-arc span      8517 days (23.32 yr)  
   first obs. used      1995-10-02  
   last obs. used      2019-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56026  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:12:36  

Additional Information
 Earth MOID = 1.18668 au 
 Jupiter MOID = 2.38076 au 
 T_jup = 3.519 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456984.5 (2014-Nov-23.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08506130504450556 4.7856e-08  
q 2.194468574632495 1.1412e-07 au
tp 2457562.858957905440
(2016-Jun-23.35895791)
0.00012887 TDB
node 26.61969284620721 7.1549e-05 deg
peri 204.5273292640745 7.9498e-05 deg
i 3.709218536953192 6.4152e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      261  
   data-arc span      8517 days (23.32 yr)  
   first obs. used      1995-10-02  
   last obs. used      2019-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56026  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:12:36  

Additional Information
 Jupiter MOID = 2.38076 au 
 T_jup = 3.519 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.290242490419135E-15 -5.421834746310138E-15 -3.020738531183955E-12 1.115053550386028E-14 -8.330794694626171E-13 3.659054546242827E-16
q -5.421834746310138E-15 1.302289705263084E-14 7.359566214211413E-12 -2.726219420603758E-14 2.008365464144681E-12 -6.322118593617128E-16
tp -3.020738531183955E-12 7.359566214211413E-12 1.660686079523254E-8 -5.316768679052893E-11 4.480228321146067E-9 2.055873256964893E-12
node 1.115053550386028E-14 -2.726219420603758E-14 -5.316768679052893E-11 5.119299783868936E-9 -5.122344514813786E-9 -1.874820534380642E-10
peri -8.330794694626171E-13 2.008365464144681E-12 4.480228321146067E-9 -5.122344514813786E-9 6.319958376685745E-9 1.876181016189952E-10
i 3.659054546242827E-16 -6.322118593617128E-16 2.055873256964893E-12 -1.874820534380642E-10 1.876181016189952E-10 4.115502067923816E-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 17.0   n/a MPO422664  

173657 (2001 HN14)          Discovered 2001-Apr-21 by Spacewatch at Kitt Peak
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

Alternate Designations
 2001 HN14 = 2002 QQ50 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-03 18:19 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin