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 ]  
173137 (1995 HH3)
Classification: Main-belt Asteroid          SPK-ID: 2173137
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1545115270095411 4.7256e-08  
a 3.107852383800725 2.8979e-08 au
q 2.627653366259433 1.4312e-07 au
i 3.970366333597648 5.323e-06 deg
node 91.66198956235799 9.3326e-05 deg
peri 175.1618437845516 9.5582e-05 deg
M 103.4124198195977 2.2132e-05 deg
tp 2458025.643825337363
(2017-Sep-29.14382534)
0.0001203 TDB
period 2001.193118191887
5.48
2.799e-05
7.663e-08
d
yr
n .1798926833834339 2.5161e-09 deg/d
Q 3.588051401342017 3.3457e-08 au
  Orbit Determination Parameters
   # obs. used (total)      230  
   data-arc span      8959 days (24.53 yr)  
   first obs. used      1995-04-26  
   last obs. used      2019-11-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55958  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 14:33:03  

Additional Information
 Earth MOID = 1.61131 au 
 Jupiter MOID = 1.50139 au 
 T_jup = 3.198 
[ show covariance matrix ]

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 15.7   n/a MPO417932  

173137 (1995 HH3)          Discovered 1995-Apr-26 by Spacewatch at Kitt Peak
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 1995 HH3 = 1997 UD19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-13 21:55 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin