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 ]  
1364 Safara (1935 VB)
Classification: Main-belt Asteroid          SPK-ID: 2001364
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06630895894613165 3.4824e-08  
a 3.014090590449785 1.4885e-08 au
q 2.814229381227728 1.0527e-07 au
i 11.48612936167824 4.678e-06 deg
node 63.97999731270485 2.1727e-05 deg
peri 221.0391249293073 4.6869e-05 deg
M 196.4730057016223 4.3565e-05 deg
tp 2459868.700101262204
(2022-Oct-16.20010126)
0.00023283 TDB
period 1911.317686693972
5.23
1.4159e-05
3.877e-08
d
yr
n .1883517337312438 1.3953e-09 deg/d
Q 3.213951799671841 1.5872e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2324  
   data-arc span      32188 days (88.13 yr)  
   first obs. used      1932-03-10  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44697  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:23:31  

Additional Information
 Earth MOID = 1.80889 au 
 Jupiter MOID = 1.87959 au 
 T_jup = 3.215 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456113.5 (2012-Jul-05.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06955995928757476 3.547e-08  
q 2.802252405302444 1.0795e-07 au
tp 2456035.152351386392
(2012-Apr-17.65235139)
0.00021282 TDB
node 64.22345184467869 2.1718e-05 deg
peri 218.610441134895 4.4629e-05 deg
i 11.49431903430628 4.677e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2324  
   data-arc span      32188 days (88.13 yr)  
   first obs. used      1932-03-10  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44697  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:23:31  

Additional Information
 Jupiter MOID = 1.87959 au 
 T_jup = 3.215 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.25815636633183E-15 -3.797485147441885E-15 -1.528518688205551E-12 -1.281847208874046E-15 -2.619006512930551E-13 1.228322388916343E-16
q -3.797485147441885E-15 1.165282198755033E-14 5.132397540533132E-12 2.641538557595627E-15 8.855495311763089E-13 3.314381448586969E-16
tp -1.528518688205551E-12 5.132397540533132E-12 4.529136071684097E-8 2.068139181275517E-11 8.324511844086981E-9 1.018189212915832E-11
node -1.281847208874046E-15 2.641538557595627E-15 2.068139181275517E-11 4.716605393352738E-10 -4.577517421386472E-10 -2.803448006401188E-11
peri -2.619006512930551E-13 8.855495311763089E-13 8.324511844086981E-9 -4.577517421386472E-10 1.991728863903081E-9 2.927308878037255E-11
i 1.228322388916343E-16 3.314381448586969E-16 1.018189212915832E-11 -2.803448006401188E-11 2.927308878037255E-11 2.187465929058619E-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 10.7   n/a MPO267712  
diameter diameter 21.197 km 0.201 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 7.25 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2010) Minor Planet Bull. 37, 112-118.]
[Hanus, J.; Delbo, M.; Ali-Lagoa, V.; Bolin, B.; et al. (2018) Icarus 299, 84-96.]
geometric albedo albedo 0.087   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

1364 Safara (1935 VB)          Discovered 1935-Nov-18 by Boyer, L. at Algiers
Discovery is clearly Nov. 18. By error the preliminary designation 1935 VB instead of a W designation was assigned.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1935 VB = 1932 EK 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jun-06 01:59 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin