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71558 (2000 DH21)
Classification: Main-belt Asteroid          SPK-ID: 2071558
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08545921666134459 4.211e-08  
a 3.189460514105975 2.5932e-08 au
q 2.916891716998189 1.3035e-07 au
i 3.593922935983445 4.3617e-06 deg
node 153.8808608609773 6.831e-05 deg
peri 190.9155001040871 7.2787e-05 deg
M 356.9403560690906 2.6767e-05 deg
tp 2459018.182458965996
(2020-Jun-17.68245897)
0.00015476 TDB
period 2080.531385842171
5.70
2.5373e-05
6.947e-08
d
yr
n .17303271772287 2.1102e-09 deg/d
Q 3.462029311213761 2.8148e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1060  
   data-arc span      9368 days (25.65 yr)  
   first obs. used      1992-11-17  
   last obs. used      2018-07-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54479  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 02:16:14  

Additional Information
 Earth MOID = 1.90933 au 
 Jupiter MOID = 1.90486 au 
 T_jup = 3.188 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456526.5 (2013-Aug-22.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09121098271657167 4.2262e-08  
q 2.898812053482335 1.3215e-07 au
tp 2456938.099612259464
(2014-Oct-07.59961226)
0.00013921 TDB
node 154.1698952128614 6.8337e-05 deg
peri 191.0291448474123 7.2254e-05 deg
i 3.593196949248919 4.3645e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1060  
   data-arc span      9368 days (25.65 yr)  
   first obs. used      1992-11-17  
   last obs. used      2018-07-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54479  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 02:16:14  

Additional Information
 Jupiter MOID = 1.90486 au 
 T_jup = 3.188 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.786113105400542E-15 -5.503905952287172E-15 9.154769743120781E-13 3.868791495974119E-15 9.822746888769098E-14 4.729969801897805E-17
q -5.503905952287172E-15 1.746444009507626E-14 -2.390203398975408E-12 -1.095416054787258E-14 -2.501758370633444E-13 6.231616555006373E-17
tp 9.154769743120781E-13 -2.390203398975408E-12 1.937825230393723E-8 -1.528471404246638E-11 3.286604208254485E-9 -2.616239463072149E-12
node 3.868791495974119E-15 -1.095416054787258E-14 -1.528471404246638E-11 4.669984105688398E-9 -4.663259055344564E-9 2.581073411747062E-11
peri 9.822746888769098E-14 -2.501758370633444E-13 3.286604208254485E-9 -4.663259055344564E-9 5.220630941892777E-9 -2.62109036195603E-11
i 4.729969801897805E-17 6.231616555006373E-17 -2.616239463072149E-12 2.581073411747062E-11 -2.62109036195603E-11 1.904903870492161E-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 13.9   n/a MPO432269  
diameter diameter 8.624 km 0.184 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.072   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71558 (2000 DH21)          Discovered 2000-Feb-29 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 DH21 = 2001 GD6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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