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1917 Cuyo (1968 AA)
Classification: Amor [NEO]          SPK-ID: 2001917
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 464 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5055075483002139 3.2516e-08  
a 2.149076811606577 5.312e-09 au
q 1.062702261462495 7.0339e-08 au
i 23.95916219474627 4.0364e-06 deg
node 188.3070349861022 7.7812e-06 deg
peri 194.5059486527605 8.3342e-06 deg
M 254.6226996944027 7.2288e-06 deg
tp 2459337.337861471561
(2021-May-02.83786147)
2.4165e-05 TDB
period 1150.737680488108
3.15
4.2665e-06
1.168e-08
d
yr
n .3128428017124625 1.1599e-09 deg/d
Q 3.235451361750658 7.9973e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2345  
   # delay obs. used      0  
   # Doppler obs. used      2  
   data-arc span      24229 days (66.34 yr)  
   first obs. used      1954-05-06  
   last obs. used      2020-09-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44474  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Sep-08 06:52:39  

Additional Information
 Earth MOID = .0727329 au 
 Jupiter MOID = 2.24402 au 
 T_jup = 3.435 
[ 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 14.3   n/a MPO473790  
diameter diameter 5.7 km n/a Hazards due to Comets and Asteroids (1994), Ed. T. Gehrels, pp.540-543 based on assumed medium albedo (0.15)
rotation period rot_per 2.6890 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Velichko, F.P.; Lupishko, D.F.; Shevchenko, V.G. (1989) Astron. Tsirk. 1541, 35-36.]
[Hoffmann, M.; Rebhan, H.; Neukum, G.; Geyer, E.H. (1993) Acta Astronomica 43, 61-67.]
[Wisniewski, W.Z.; Michalowski, T.M.; Harris, A.W.; McMillan, R.S. (1997) Icarus 126, 395-449; 1995, Lunar & Planetary Sci. XXVI, 1511-1512.]
[Behrend, R. (2008) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Warner, Brian D. (2014) Minor Planet Bull. 41, 213-224.]
[Warner, B.D. (2015) Minor Planet Bull. 42, 41-53.]
[Warner, B.D. (2017) Minor Planet Bull. 44, 335-344.]
geometric albedo albedo 0.195   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
SMASSII spectral type spec_B Sl   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

1917 Cuyo (1968 AA)          Discovered 1968-Jan-01 by Cesco, C. U. and Samuel, A. at El Leoncito
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ 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
1907-Oct-29 03:13 < 00:01 Earth 0.449787252829116 0.449784244590397 0.449790261068628 18.3975594227205 18.3972374279638 2417877.633939655 0.285867332859948 152.907467419235 14.3323970370633 11.2292175326658 880938.284537587 T 464 CATAB v2.0f-lin.ifort 2020-Sep-08 06:52:51 2020-Sep-08 06:53
1926-Sep-28 02:47 < 00:01 Earth 0.11278400892549 0.112781249097592 0.112786768762619 15.2344899642764 15.2329391527672 2424786.616180663 0.289620752489423 146.779365085001 10.224395016408 20.4006049911971 578260.275226072 T 464 CATAB v2.0f-lin.ifort 2020-Sep-08 06:52:51 2020-Sep-08 06:53
1948-Oct-19 11:13 < 00:01 Earth 0.300896120575584 0.300893032521849 0.300899208631131 15.8794102494334 15.8788525900359 2432843.967633693 0.286142521471981 158.35342563099 12.4417146942714 13.5303152019576 811302.201826046 T 464 CATAB v2.0f-lin.ifort 2020-Sep-08 06:52:51 2020-Sep-08 06:53
1967-Sep-19 00:46 < 00:01 Earth 0.267568822245328 0.267566391465663 0.267571253025312 17.3963114601591 17.3957390243144 2439752.532239660 0.196180767983027 122.101239546786 11.391398284028 -6.9531321710649 493028.610464382 T 464 CATAB v2.0f-lin.ifort 2020-Sep-08 06:52:51 2020-Sep-08 06:53
1989-Oct-10 02:44 < 00:01 Earth 0.142879904923327 0.142878735289595 0.142881074557076 14.5233936192619 14.5221095386294 2447809.613950985 0.120646778008897 58.3863411153321 10.8127815480358 -2.68235652786381 372811.021706063 T 464 CATAB v2.0f-lin.ifort 2020-Sep-08 06:52:51 2020-Sep-08 06:53
2008-Sep-09 23:04 < 00:01 Earth 0.41392509086935 0.413924545913096 0.413925635825604 20.2510254516498 20.2507075835155 2454719.460936911 0.068188677694154 27.2001176627952 12.6288624737852 -2.81150633431152 2090939.70801541 T 464 CATAB v2.0f-lin.ifort 2020-Sep-08 06:52:51 2020-Sep-08 06:53
2030-Oct-06 07:09 < 00:01 Earth 0.0896649702089535 0.0896638714438799 0.0896660689808518 14.4472021514241 14.445145139935 2462780.798091483 0.152012866272353 67.6704868229244 10.2914301226101 -36.4256474118922 802561.069872011 T 464 CATAB v2.0f-lin.ifort 2020-Sep-08 06:52:51 2020-Sep-08 06:53
2049-Sep-08 07:07 < 00:01 Earth 0.447843787897047 0.447840213656446 0.447847362137954 21.0639128156912 21.063630360432 2469692.796789934 0.301863280648571 179.182702751182 12.5296568938581 -5.92321848002258 599455.864712426 T 464 CATAB v2.0f-lin.ifort 2020-Sep-08 06:52:51 2020-Sep-08 06:53
2071-Oct-07 22:28 < 00:01 Earth 0.104388891193965 0.104384773317348 0.104393009097593 14.4168375352724 14.4150669586037 2477757.436299010 0.486786640480241 221.802582834329 10.5354514857231 -22.2386318121263 569116.10865595 T 464 CATAB v2.0f-lin.ifort 2020-Sep-08 06:52:51 2020-Sep-08 06:53
2090-Sep-13 08:55 < 00:01 Earth 0.360611682131145 0.36060489088102 0.360618473382581 19.338566326652 19.3381842481688 2484672.871801941 0.565595611722558 340.383572427915 12.1812480035461 -5.79343102781703 429612.290824546 T 464 CATAB v2.0f-lin.ifort 2020-Sep-08 06:52:51 2020-Sep-08 06:53
2112-Oct-18 18:04 < 00:01 Earth 0.25682780626291 0.256820340217483 0.256835272327156 15.2232462169568 15.2225647061228 2492743.252934622 0.704799371136561 388.12717581883 12.064990725102 16.4289692440789 841973.905103621 T 464 CATAB v2.0f-lin.ifort 2020-Sep-08 06:52:51 2020-Sep-08 06:53
2131-Sep-24 05:26 < 00:01 Earth 0.1892473503072 0.189240864636499 0.189253835977998 16.4047846205629 16.4039263516602 2499657.726623056 0.578655476784538 323.48597885049 11.1565506207509 1.25736319105715 97994.1893555985 T 464 CATAB v2.0f-lin.ifort 2020-Sep-08 06:52:51 2020-Sep-08 06:53
2153-Oct-27 19:47 < 00:01 Earth 0.390623611334297 0.390619512545494 0.390627710126209 16.9871924884775 16.9867909405478 2507727.324146715 0.40630722588892 211.684740772817 14.3732804015088 15.1248535862725 960356.425559353 T 464 CATAB v2.0f-lin.ifort 2020-Sep-08 06:52:51 2020-Sep-08 06:53
2172-Oct-02 09:41 < 00:01 Earth 0.0729433037142455 0.072942788840651 0.0729438185989936 14.7525166909792 14.7500404251581 2514641.903444377 0.126272098434484 55.3224704944462 10.1900101911401 64.3175836940603 984526.355318412 T 464 CATAB v2.0f-lin.ifort 2020-Sep-08 06:52:51 2020-Sep-08 06:53
2194-Nov-02 20:21 < 00:01 Earth 0.461603073969586 0.461601896465934 0.461604251473264 18.3254272985361 18.3251123110598 2522708.347846164 0.182012317322229 59.0068624092611 12.7951449720244 5.82939665969247 1100161.41751254 T 464 CATAB v2.0f-lin.ifort 2020-Sep-08 06:52:51 2020-Sep-08 06:53
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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