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39873 (1998 DC34)
Classification: Main-belt Asteroid          SPK-ID: 2039873
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1260259277872784 4.0683e-08  
a 2.381131431755255 1.1829e-08 au
q 2.081047133884848 9.8742e-08 au
i 2.569998697897479 4.5253e-06 deg
node 5.461664359260475 9.3495e-05 deg
peri 242.4668812158436 9.5201e-05 deg
M 205.4765821082711 2.1176e-05 deg
tp 2459176.556768278603
(2020-Nov-23.05676828)
8.1221e-05 TDB
period 1342.064778334143
3.67
1e-05
2.738e-08
d
yr
n .2682433857230462 1.9988e-09 deg/d
Q 2.681215729625662 1.3319e-08 au
  Orbit Determination Parameters
   # obs. used (total)      793  
   data-arc span      9548 days (26.14 yr)  
   first obs. used      1992-10-22  
   last obs. used      2018-12-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53847  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:08:46  

Additional Information
 Earth MOID = 1.06866 au 
 Jupiter MOID = 2.34427 au 
 T_jup = 3.526 
[ 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 15.6   n/a MPO452721  
diameter diameter 4.426 km 0.229 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.039   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39873 (1998 DC34)          Discovered 1998-Feb-27 by Elst, E. W. at La Silla
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 DC34 = 1999 RP15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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