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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1260285460733241 3.8477e-08  
a 2.380521819872296 1.048e-08 au
q 2.080508116017967 9.5024e-08 au
i 2.570322018917638 4.2361e-06 deg
node 5.450591904837185 8.5726e-05 deg
peri 242.6113944420459 8.7517e-05 deg
M 312.6499793647203 2.0635e-05 deg
tp 2459176.951091249907
(2020-Nov-23.45109125)
7.7457e-05 TDB
period 1341.549422739575
3.67
8.8587e-06
2.425e-08
d
yr
n .2683464312964668 1.772e-09 deg/d
Q 2.680535523726625 1.18e-08 au
  Orbit Determination Parameters
   # obs. used (total)      837  
   data-arc span      9965 days (27.28 yr)  
   first obs. used      1992-10-22  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52294  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 05:37:32  

Additional Information
 Earth MOID = 1.0683 au 
 Jupiter MOID = 2.34499 au 
 T_jup = 3.526 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456904.5 (2014-Sep-04.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1266844570913694 3.8369e-08  
q 2.078947376492786 9.482e-08 au
tp 2456493.339576978025
(2013-Jul-19.83957698)
7.0308e-05 TDB
node 5.474300399703557 8.5699e-05 deg
peri 242.5804736139824 8.7479e-05 deg
i 2.571520947100412 4.2358e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      837  
   data-arc span      9965 days (27.28 yr)  
   first obs. used      1992-10-22  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52294  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 05:37:32  

Additional Information
 Jupiter MOID = 2.34499 au 
 T_jup = 3.526 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.472195564990913E-15 -3.623159739493254E-15 -7.043594600892235E-13 -4.026321797045811E-15 -1.542883577558531E-13 2.274222696878372E-17
q -3.623159739493254E-15 8.990921317200747E-15 1.856958178585997E-12 9.307178566038956E-15 4.137611302084044E-13 4.244737188698347E-17
tp -7.043594600892235E-13 1.856958178585997E-12 4.943237028634856E-9 2.099284190234388E-11 1.24710832252492E-9 1.044827242948508E-12
node -4.026321797045811E-15 9.307178566038956E-15 2.099284190234388E-11 7.344348335205559E-9 -7.33129447869716E-9 -8.492018264178622E-12
peri -1.542883577558531E-13 4.137611302084044E-13 1.24710832252492E-9 -7.33129447869716E-9 7.652488180412897E-9 8.778931106589973E-12
i 2.274222696878372E-17 4.244737188698347E-17 1.044827242948508E-12 -8.492018264178622E-12 8.778931106589973E-12 1.794230004593203E-11

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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