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 ]  
312589 (2009 HR102)
Classification: Main-belt Asteroid          SPK-ID: 2312589
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1853334158290595 7.1534e-08  
a 2.736274901647999 3.2041e-08 au
q 2.229151727478251 2.0653e-07 au
i 15.07425083044948 7.5662e-06 deg
node 100.0817277903598 2.3994e-05 deg
peri 267.5778592052509 3.6558e-05 deg
M 310.0654094807328 2.2196e-05 deg
tp 2458829.817400128818
(2019-Dec-12.31740013)
0.00010155 TDB
period 1653.24804284759
4.53
2.9038e-05
7.95e-08
d
yr
n .2177531687138297 3.8247e-09 deg/d
Q 3.243398075817746 3.7979e-08 au
  Orbit Determination Parameters
   # obs. used (total)      181  
   data-arc span      6574 days (18.00 yr)  
   first obs. used      2001-07-29  
   last obs. used      2019-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63454  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:02:04  

Additional Information
 Earth MOID = 1.28759 au 
 Jupiter MOID = 2.40293 au 
 T_jup = 3.278 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457284.5 (2015-Sep-19.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1877615656794281 7.2096e-08  
q 2.221661285139036 2.0865e-07 au
tp 2457173.528693373459
(2015-May-31.02869337)
0.00010406 TDB
node 100.2671082289882 2.4069e-05 deg
peri 266.8900421196221 3.6087e-05 deg
i 15.05724640208337 7.554e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      181  
   data-arc span      6574 days (18.00 yr)  
   first obs. used      2001-07-29  
   last obs. used      2019-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63454  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:02:04  

Additional Information
 Jupiter MOID = 2.40293 au 
 T_jup = 3.278 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.197780930448798E-15 -1.494336647902664E-14 1.705795364449837E-12 -3.988232882315018E-14 1.029773502307598E-13 -2.072501788956632E-14
q -1.494336647902664E-14 4.353594282520214E-14 -5.561235599452512E-12 1.163175498669848E-13 -4.587035594942995E-13 6.496986752373306E-14
tp 1.705795364449837E-12 -5.561235599452512E-12 1.082842589910526E-8 -5.829764777434397E-11 2.79626306345496E-9 -4.590842705155789E-11
node -3.988232882315018E-14 1.163175498669848E-13 -5.829764777434397E-11 5.793335305765248E-10 -5.712279838636156E-10 -8.879416439961263E-11
peri 1.029773502307598E-13 -4.587035594942995E-13 2.79626306345496E-9 -5.712279838636156E-10 1.302277742907217E-9 7.526742403542817E-11
i -2.072501788956632E-14 6.496986752373306E-14 -4.590842705155789E-11 -8.879416439961263E-11 7.526742403542817E-11 5.706245254123778E-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 16.3   n/a MPO450244  

312589 (2009 HR102)          Discovered 2009-Apr-23 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-18 00:44 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin