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 ]  
1823 Gliese (1951 RD)
Classification: Main-belt Asteroid          SPK-ID: 2001823
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1353058440148238 3.3156e-08  
a 2.22605630343809 6.3615e-09 au
q 1.92485787647688 7.2971e-08 au
i 2.891816353601977 3.9367e-06 deg
node 309.9898092350281 7.1347e-05 deg
peri 296.8439330682339 7.3386e-05 deg
M 215.617566417471 1.9658e-05 deg
tp 2459087.035462790654
(2020-Aug-25.53546279)		 6.6917e-05 TDB
period 1213.116874806783
3.32		 5.2002e-06
1.424e-08		 d
yr
n .2967562379818832 1.2721e-09 deg/d
Q 2.527254730399299 7.2222e-09 au
   Orbit Determination Parameters
   # obs. used (total)      2360  
   data-arc span      25954 days (71.06 yr)  
   first obs. used      1948-11-05  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44445  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 20:27:18  

Additional Information
 Earth MOID = .913087 au 
 Jupiter MOID = 2.50119 au 
 T_jup = 3.632 
[ 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 12.6   n/a MPO431515  
diameter diameter 8.439 km 0.324 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 4.4864 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2014) http://www.asu.cas.cz/~ppravec/neo.htm]
[Warner, B.D. (2015) Minor Planet Bull. 42, 54-60.]
geometric albedo albedo 0.189   0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

1823 Gliese (1951 RD)          Discovered 1951-Sep-04 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1951 RD = 1944 MC = 1948 VH = 1950 BL = 1950 DR = 1950 EF = 1954 NE = 1970 EU2 = 1971 SE1 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-05 17:37 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin