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 ]  
48385 (1978 VH9)
Classification: Main-belt Asteroid          SPK-ID: 2048385
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2332991088401744 9.4234e-08  
a 2.553452053151892 1.4395e-08 au
q 1.957733964685442 2.4862e-07 au
i 4.998716208421439 3.8681e-06 deg
node 259.3504732141308 6.0399e-05 deg
peri 250.4587037195914 6.089e-05 deg
M 5.61240499976654 8.6572e-06 deg
tp 2458977.265330992818
(2020-May-07.76533099)
3.5728e-05 TDB
period 1490.355888951939
4.08
1.2603e-05
3.451e-08
d
yr
n .2415530429132349 2.0427e-09 deg/d
Q 3.149170141618342 1.7754e-08 au
  Orbit Determination Parameters
   # obs. used (total)      957  
   data-arc span      15036 days (41.17 yr)  
   first obs. used      1978-11-05  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52632  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 07:30:24  

Additional Information
 Earth MOID = .975795 au 
 Jupiter MOID = 1.90144 au 
 T_jup = 3.395 
[ 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 15.2   n/a MPO359065  

48385 (1978 VH9)          Discovered 1978-Nov-07 by Helin, E. F., Bus, S. J. at Palomar
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1978 VH9 = 2000 GH154 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-29 15:37 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin