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1081 Reseda (1927 QF)
Classification: Main-belt Asteroid          SPK-ID: 2001081
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1480086772212822 1.0986e-08  
a 3.095214041977655 1.0144e-08 au
q 2.637095505907804 3.1725e-08 au
i 4.189013835893502 5.6605e-07 deg
node 30.3144197672137 4.8725e-06 deg
peri 9.157951256697128 1.1006e-05 deg
M 22.50688919016749 7.4063e-06 deg
tp 2459076.149530509642
(2020-Aug-14.64953051)		 4.0913e-05 TDB
period 1988.998507891791
5.45		 9.7783e-06
2.677e-08		 d
yr
n .1809956108924267 8.8981e-10 deg/d
Q 3.553332578047506 1.1646e-08 au
   Orbit Determination Parameters
   # obs. used (total)      3435  
   data-arc span      34164 days (93.54 yr)  
   first obs. used      1927-08-31  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41736  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 11:57:28  

Additional Information
 Earth MOID = 1.64399 au 
 Jupiter MOID = 1.87098 au 
 T_jup = 3.203 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456952.5 (2014-Oct-22.0) TDB
Reference: JPL 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1468771852288843 1.2355e-08  
q 2.641501171817551 3.6503e-08 au
tp 2457067.140885344337
(2015-Feb-13.64088534)		 4.2558e-05 TDB
node 30.45290175378357 4.8542e-06 deg
peri 6.222345667663644 1.1098e-05 deg
i 4.204995285568936 5.6806e-07 deg
   Orbit Determination Parameters
   # obs. used (total)      3435  
   data-arc span      34164 days (93.54 yr)  
   first obs. used      1927-08-31  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41736  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 11:57:28  

Additional Information
 Jupiter MOID = 1.87098 au 
 T_jup = 3.203 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.526448827418255E-16 -4.397116397854288E-16 -3.909866172119235E-13 1.633316414528264E-14 -1.048039263796304E-13 -3.281074742537972E-15
q -4.397116397854288E-16 1.33248423141149E-15 1.162254986647005E-12 -5.011223780889929E-14 3.132234336273526E-13 9.991706434247614E-15
tp -3.909866172119235E-13 1.162254986647005E-12 1.811177759998089E-9 -1.870684893128035E-11 4.235718953897026E-10 5.864665021917966E-12
node 1.633316414528264E-14 -5.011223780889929E-14 -1.870684893128035E-11 2.356319602376281E-11 -2.790452870641414E-11 -2.514326982537371E-12
peri -1.048039263796304E-13 3.132234336273526E-13 4.235718953897026E-10 -2.790452870641414E-11 1.231548251185815E-10 3.890993646952032E-12
i -3.281074742537972E-15 9.991706434247614E-15 5.864665021917966E-12 -2.514326982537371E-12 3.890993646952032E-12 3.226959334951945E-13

[ 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 11.11   n/a E2021B10  
diameter diameter 37.810 km 0.219 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 7.3002 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Yankov, A.; Ditteon, R. (2009) Minor Planet Bull. 36, 3-4.]
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
geometric albedo albedo 0.043   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

1081 Reseda (1927 QF)          Discovered 1927-Aug-31 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1927 QF = 1949 UA1 = 1975 LS 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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