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 ]  
1920 Sarmiento (1971 VO)
Classification: Inner Main-belt Asteroid          SPK-ID: 2001920
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1054603753954691 4.4304e-08  
a 1.930250497111988 4.9326e-09 au
q 1.726685555079267 8.6079e-08 au
i 22.80151674717957 5.1537e-06 deg
node 64.03181547888134 8.6525e-06 deg
peri 316.81327169 2.176e-05 deg
M 260.1715698072395 1.992e-05 deg
tp 2458872.125586724370
(2020-Jan-23.62558672)
5.4447e-05 TDB
period 979.5326945636442
2.68
3.7546e-06
1.028e-08
d
yr
n .3675221888947469 1.4087e-09 deg/d
Q 2.133815439144709 5.4528e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1516  
   data-arc span      17503 days (47.92 yr)  
   first obs. used      1971-11-11  
   last obs. used      2019-10-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40263  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 02:10:17  

Additional Information
 Earth MOID = .768148 au 
 Jupiter MOID = 3.25968 au 
 T_jup = 3.812 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.17   n/a PDS3 (MPC 17263)  
diameter diameter 2.854 km 0.164 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.048 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2007) Minor Planet Bull. 34, 32-37.]
[Stephens, R.D.; Coley, D.; Warner, B.D. (2014) Minor Planet Bull. 41, 8-13.]
[Warner, B.D. (2015) Minor Planet Bull. 42, 108-114.]
geometric albedo albedo 0.466   0.094 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
B-V BV 0.720   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=11.71 deg.
U-B UB 0.257   0.031 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=11.71 deg.
Tholen spectral type spec_T X   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 4 color indices

1920 Sarmiento (1971 VO)          Discovered 1971-Nov-11 by Gibson, J. and Cesco, C. U. at El Leoncito
Reference: DISCOVERY.DBLast Updated: 2003-08-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin