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5376 (1990 DD)
Classification: Main-belt Asteroid          SPK-ID: 2005376
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1767575520830252 1.0783e-08  
a 2.412637341118875 7.9471e-09 au
q 1.986185470638604 2.4926e-08 au
i 12.46074846729477 3.9624e-07 deg
node 332.2263902124797 2.9927e-06 deg
peri 98.75915812923591 6.3925e-06 deg
M 193.8466994048327 4.7164e-06 deg
tp 2460028.246677911019
(2023-Mar-24.74667791)
1.9832e-05 TDB
period 1368.788963164189
3.75
6.7631e-06
1.852e-08
d
yr
n .2630062118325374 1.2995e-09 deg/d
Q 2.839089211599145 9.3518e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2202  
   data-arc span      18424 days (50.44 yr)  
   first obs. used      1971-01-20  
   last obs. used      2021-06-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40499  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-07 23:50:56  

Additional Information
 Earth MOID = 1.04464 au 
 Jupiter MOID = 2.50057 au 
 T_jup = 3.466 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457243.5 (2015-Aug-09.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1753490418681569 1.0801e-08  
q 1.990143951327387 2.4998e-08 au
tp 2457290.455474488165
(2015-Sep-24.95547449)
1.525e-05 TDB
node 332.2886869251566 2.9902e-06 deg
peri 98.86333543364587 6.4389e-06 deg
i 12.46731629220829 3.9637e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2202  
   data-arc span      18424 days (50.44 yr)  
   first obs. used      1971-01-20  
   last obs. used      2021-06-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40499  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-07 23:50:56  

Additional Information
 Jupiter MOID = 2.50057 au 
 T_jup = 3.466 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.166654259527161E-16 -2.611714178063664E-16 7.03473884581547E-14 7.347287775321663E-15 1.415153462380728E-14 1.506682359020127E-15
q -2.611714178063664E-16 6.24878633532121E-16 -1.741987936542619E-13 -1.799777647064059E-14 -3.580174816744072E-14 -3.598315133387741E-15
tp 7.03473884581547E-14 -1.741987936542619E-13 2.325601040526156E-10 -1.434534432998496E-11 8.77946287893837E-11 3.199470408915256E-13
node 7.347287775321663E-15 -1.799777647064059E-14 -1.434534432998496E-11 8.941105844777875E-12 -1.334931368466694E-11 4.805035656727614E-13
peri 1.415153462380728E-14 -3.580174816744072E-14 8.77946287893837E-11 -1.334931368466694E-11 4.145982346162183E-11 -4.177026387303006E-13
i 1.506682359020127E-15 -3.598315133387741E-15 3.199470408915256E-13 4.805035656727614E-13 -4.177026387303006E-13 1.571085864774002E-13

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.35   n/a E2021B10  
diameter diameter 8.943 km 0.194 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.2346 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Galad, A.; Kornos, L.; Gajdos, S. (2009) Minor Planet Bull. 36, 13-15.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.139   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

5376 (1990 DD)          Discovered 1990-Feb-16 by Ueda and Kaneda at Kushiro
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1990 DD = 1971 BB = 1975 FZ = 1988 QX 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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