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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1353395307489146 2.8666e-08  
a 2.225612215541906 5.1248e-09 au
q 1.924398902661412 6.4622e-08 au
i 2.892141661120895 3.2135e-06 deg
node 309.9899589794933 6.8468e-05 deg
peri 296.9510553450416 6.9982e-05 deg
M 334.2323342996274 1.4323e-05 deg
tp 2459087.305101269805
(2020-Aug-25.80510127)
4.8212e-05 TDB
period 1212.753876137024
3.32
4.1888e-06
1.147e-08
d
yr
n .2968450623688835 1.0253e-09 deg/d
Q 2.526825528422401 5.8184e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2877  
   data-arc span      26249 days (71.87 yr)  
   first obs. used      1948-11-05  
   last obs. used      2020-09-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4106  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:15:07  

Additional Information
 Earth MOID = .912803 au 
 Jupiter MOID = 2.50161 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. 2020-October); 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.]
[Pravec, P.; Wolf, M.; Sarounova, L. (2020) http://www.asu.cas.cz/~ppravec/neo.htm]
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 ]
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