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JPL Small-Body Database Browser
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2068 Dangreen (1948 AD)
Classification: Main-belt Asteroid          SPK-ID: 2002068
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 65 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09702529935056189 4.2156e-08  
a 2.77485217838242 1.4788e-08 au
q 2.505621315121307 1.1694e-07 au
i 12.90682607371481 4.604e-06 deg
node 95.92228538670356 1.9914e-05 deg
peri 320.44583006801 3.1166e-05 deg
M 214.3907809642244 2.641e-05 deg
tp 2459283.380289077446
(2021-Mar-09.88028908)
0.00012684 TDB
period 1688.333374052911
4.62
1.3496e-05
3.695e-08
d
yr
n .2132280303953275 1.7045e-09 deg/d
Q 3.044083041643533 1.6222e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1986  
   data-arc span      32233 days (88.25 yr)  
   first obs. used      1931-05-21  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4275  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-23 19:22:04  

Additional Information
 Earth MOID = 1.53226 au 
 Jupiter MOID = 2.24934 au 
 T_jup = 3.292 
[ 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 11.2   n/a MPO448932  
diameter diameter 34.322 km 0.157 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.032   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

2068 Dangreen (1948 AD)          Discovered 1948-Jan-08 by Laugier, M. at Nice
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1948 AD = 1931 KJ = 1939 DJ = 1955 TA1 = 1972 JS = 1974 VR2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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