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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 ]

[ show orbit diagram ]
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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1941-Aug-12 19:52 < 00:01 Earth 0.469021246302667 0.469020820021157 0.469021672587455 1.09591842687345 1.09072238806716 2430219.328040470 0.503624606304151 77.2715490533488 10.9994466232157 76.9515882937321 850668.059702573 T 32 CATAB v2.0f-lin.ifort 2021-Apr-13 07:11:59 2021-Apr-13 07:12
1951-Aug-31 00:19 < 00:01 Earth 0.483316891319299 0.483315859019088 0.48331792362657 1.35800050286101 1.35393484294901 2433889.513027441 0.438085109224655 108.232279426493 12.2064872067089 -63.2515398352977 809701.053457819 T 32 CATAB v2.0f-lin.ifort 2021-Apr-13 07:11:59 2021-Apr-13 07:12
2014-Aug-17 23:25 < 00:01 Earth 0.461648828658346 0.461648589884837 0.46164906743183 1.02313939505445 1.01748263126186 2456887.475644141 0.0256721871352423 13.5095425909559 11.0434382391857 -87.0562771848655 777843.788293798 T 32 CATAB v2.0f-lin.ifort 2021-Apr-13 07:11:59 2021-Apr-13 07:12
2024-Sep-03 09:18 < 00:01 Earth 0.497327283116663 0.497327004402228 0.497327561831182 1.56754692373 1.56412536689974 2460556.887183521 0.0838694452949069 24.839999283953 11.9696572368283 -72.5984212828461 1021663.14417105 T 32 CATAB v2.0f-lin.ifort 2021-Apr-13 07:11:59 2021-Apr-13 07:12
2077-Aug-04 14:41 < 00:01 Earth 0.492161293535057 0.49216014091603 0.492162446155874 1.33891528726394 1.33486571583341 2479885.111708882 0.448970685010787 74.6901813095442 11.3861730896417 42.1087511394757 756341.209587186 T 32 CATAB v2.0f-lin.ifort 2021-Apr-13 07:11:59 2021-Apr-13 07:12
2087-Aug-21 16:37 < 00:01 Earth 0.461447753623793 0.461447502961884 0.461448004286594 1.04251242910999 1.03695892786373 2483554.192459493 0.513134978695498 94.7851157089689 10.9157898029158 -87.9327621070715 753554.093484819 T 32 CATAB v2.0f-lin.ifort 2021-Apr-13 07:11:59 2021-Apr-13 07:12
2150-Aug-08 20:07 < 00:01 Earth 0.483379333100943 0.483377362365903 0.483381303843348 1.2262086018428 1.22170501869359 2506551.338392424 0.870814757062376 136.690809360997 11.3526389094637 46.1738277566609 739137.879002523 T 32 CATAB v2.0f-lin.ifort 2021-Apr-13 07:11:59 2021-Apr-13 07:12
2160-Aug-26 02:28 < 00:01 Earth 0.467375880418604 0.467375133241184 0.467376627623015 1.15233623483248 1.14737828498891 2510221.602902028 0.90821189699135 190.732250615734 11.0983718603216 -80.0654708433445 774201.400411183 T 32 CATAB v2.0f-lin.ifort 2021-Apr-13 07:11:59 2021-Apr-13 07:12

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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