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 ]  
9270 (1978 VO8)
Classification: Main-belt Asteroid          SPK-ID: 2009270
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1455322307545985 3.6648e-08  
a 3.048850191562191 1.4482e-08 au
q 2.605144221947561 1.1162e-07 au
i 2.515609604803329 3.8605e-06 deg
node 109.9890094525889 9.0736e-05 deg
peri 41.93584450267244 9.1593e-05 deg
M 213.7764542319319 1.3978e-05 deg
tp 2459790.300428549459
(2022-Jul-29.80042855)
7.8318e-05 TDB
period 1944.475855679162
5.32
1.3854e-05
3.793e-08
d
yr
n .1851398663287902 1.3191e-09 deg/d
Q 3.492556161176822 1.6589e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1915  
   data-arc span      20788 days (56.91 yr)  
   first obs. used      1962-12-03  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48611  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 22:08:09  

Additional Information
 Earth MOID = 1.61658 au 
 Jupiter MOID = 1.5046 au 
 T_jup = 3.220 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456730.5 (2014-Mar-14.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1425750045503722 3.6972e-08  
q 2.618069392371849 1.1252e-07 au
tp 2455897.877437620458
(2011-Dec-02.37743762)
6.9535e-05 TDB
node 110.0601586627678 9.086e-05 deg
peri 42.28185626810384 9.1742e-05 deg
i 2.513492640009678 3.8544e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1915  
   data-arc span      20788 days (56.91 yr)  
   first obs. used      1962-12-03  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48611  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 22:08:09  

Additional Information
 Jupiter MOID = 1.5046 au 
 T_jup = 3.220 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.366921611106919E-15 -4.134483527142629E-15 2.048774006585889E-13 1.15730267799962E-16 3.516025691542934E-14 -6.488337048010894E-18
q -4.134483527142629E-15 1.26614736992313E-14 -4.764331798555429E-13 -1.438214281464847E-15 -6.788745721510489E-14 1.704596194416492E-16
tp 2.048774006585889E-13 -4.764331798555429E-13 4.835132418635215E-9 -4.742491286322244E-12 9.032412307486262E-10 -1.697480388735063E-13
node 1.15730267799962E-16 -1.438214281464847E-15 -4.742491286322244E-12 8.255473175242387E-9 -8.248316925129228E-9 6.030906551270013E-11
peri 3.516025691542934E-14 -6.788745721510489E-14 9.032412307486262E-10 -8.248316925129228E-9 8.416676793048437E-9 -6.026666387601353E-11
i -6.488337048010894E-18 1.704596194416492E-16 -1.697480388735063E-13 6.030906551270013E-11 -6.026666387601353E-11 1.48566133993593E-11

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 13.3   n/a MPO358720  

9270 (1978 VO8)          Discovered 1978-Nov-07 by Helin, E. F., Bus, S. J. at Palomar
Reference: 19981005/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1978 VO8 = 1962 XN1 = 1985 CR1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-May-27 10:51 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin