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32575 (2001 QY78)
Classification: Mars-crossing Asteroid          SPK-ID: 2032575
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3375546070553823 3.5276e-08  
a 2.224273169144125 6.6736e-09 au
q 1.47345951354985 7.9153e-08 au
i 2.232265111549471 2.8783e-06 deg
node 229.1149386361577 9.4594e-05 deg
peri 98.27291148348634 9.4642e-05 deg
M 325.7405968106915 5.0059e-06 deg
tp 2459315.807592301074
(2021-Apr-11.30759230)
1.7231e-05 TDB
period 1211.659555159477
3.32
5.4531e-06
1.493e-08
d
yr
n .2971131605961851 1.3372e-09 deg/d
Q 2.975086824738399 8.9263e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1405  
   data-arc span      21413 days (58.63 yr)  
   first obs. used      1961-10-07  
   last obs. used      2020-05-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57518  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 07:11:53  

Additional Information
 Earth MOID = .462483 au 
 Jupiter MOID = 2.3974 au 
 T_jup = 3.569 
[ show covariance matrix ]

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 15.22   n/a E2021B10  
diameter diameter 2.157 km 0.382 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
rotation period rot_per 4.5344 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2014) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
geometric albedo albedo 0.325   0.122 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

32575 (2001 QY78)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20011130/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 2001 QY78 = 1961 TT = 1971 SA3 = 1981 UF15 = 2000 GG164 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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