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103871 (2000 DK45)
Classification: Main-belt Asteroid          SPK-ID: 2103871
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1738563022279399 3.6011e-08  
a 3.014111350615964 1.8661e-08 au
q 2.490089096694611 1.0738e-07 au
i 4.57900495101674 5.2047e-06 deg
node 177.9472915998669 5.0388e-05 deg
peri 267.3646719002234 5.3027e-05 deg
M 43.3636049793315 1.4772e-05 deg
tp 2458970.270884851304
(2020-Apr-30.77088485)
7.8263e-05 TDB
period 1911.337433615936
5.23
1.775e-05
4.86e-08
d
yr
n .1883497877812915 1.7491e-09 deg/d
Q 3.538133604537316 2.1905e-08 au
  Orbit Determination Parameters
   # obs. used (total)      718  
   data-arc span      8132 days (22.26 yr)  
   first obs. used      1998-10-14  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49198  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:36:10  

Additional Information
 Earth MOID = 1.51113 au 
 Jupiter MOID = 1.72135 au 
 T_jup = 3.221 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457275.5 (2015-Sep-10.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1714713137430703 3.5964e-08  
q 2.499412509713505 1.0691e-07 au
tp 2457062.163024547175
(2015-Feb-08.66302455)
8.0885e-05 TDB
node 177.9725220118401 5.0401e-05 deg
peri 268.0349415548086 5.3105e-05 deg
i 4.574775622242444 5.2027e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      718  
   data-arc span      8132 days (22.26 yr)  
   first obs. used      1998-10-14  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49198  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:36:10  

Additional Information
 Jupiter MOID = 1.72135 au 
 T_jup = 3.221 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.293413285804934E-15 -3.80410288284507E-15 -6.833698141407732E-13 1.0386345767404E-14 -1.355223685493982E-13 -1.200406128535809E-15
q -3.80410288284507E-15 1.142895136560528E-14 1.778128991975049E-12 -3.138424091676481E-14 3.58938445735643E-13 4.120899660731902E-15
tp -6.833698141407732E-13 1.778128991975049E-12 6.542306596793215E-9 -2.687614200799368E-11 1.368402378175088E-9 1.515450856605593E-12
node 1.0386345767404E-14 -3.138424091676481E-14 -2.687614200799368E-11 2.540283057616971E-9 -2.537349426111215E-9 3.474964639248223E-11
peri -1.355223685493982E-13 3.58938445735643E-13 1.368402378175088E-9 -2.537349426111215E-9 2.820183767557832E-9 -3.426840407732716E-11
i -1.200406128535809E-15 4.120899660731902E-15 1.515450856605593E-12 3.474964639248223E-11 -3.426840407732716E-11 2.706822522471802E-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 15.35   n/a E2021B55  
diameter diameter 4.110 km 0.080 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.072   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

103871 (2000 DK45)          Discovered 2000-Feb-29 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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