Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
11594 (1995 HP)
Classification: Main-belt Asteroid          SPK-ID: 2011594
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2384529277472243 4.4843e-08  
a 2.327454325211879 1.1654e-08 au
q 1.772466027167166 1.0608e-07 au
i 3.58913500081323 4.7082e-06 deg
node 100.0753391349377 6.7185e-05 deg
peri 214.7605806155739 6.7853e-05 deg
M 286.6019473519423 1.2519e-05 deg
tp 2457864.924818069208
(2017-Apr-21.42481807)
4.653e-05 JED
period 1296.940873368442
3.55
9.7412e-06
2.667e-08
d
yr
n .2775762622585874 2.0849e-09 deg/d
Q 2.882442623256592 1.4433e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1317  
   data-arc span      7660 days (20.97 yr)  
   first obs. used      1995-04-26  
   last obs. used      2016-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52591  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:12:13  

Additional Information
 Earth MOID = .75955 au 
 Jupiter MOID = 2.40441 au 
 T_jup = 3.532 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.4 mag n/a MPO332928  
rotation period rot_per 6.3136 h n/a LCDB (Rev. 2016-February); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2016) Astron. J. 150, A75.]

11594 (1995 HP)          Discovered 1995-Apr-27 by Ueda, S., Kaneda, H. at Kushiro
Reference: 19990928/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 HP = 1996 XG6 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2016-May-01 15:31 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin