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1027 Aesculapia (A923 YO11)
Classification: Main-belt Asteroid          SPK-ID: 2001027
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 48 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .128970318369069 1.5493e-08  
a 3.152544517492141 1.1324e-08 au
q 2.745959847398517 4.6965e-08 au
i 1.253015617608776 8.0364e-07 deg
node 29.34120443418241 2.9476e-05 deg
peri 131.9935250712798 3.2775e-05 deg
M 42.71896475163242 7.3638e-06 deg
tp 2459153.890117432546
(2020-Oct-31.39011743)
4.164e-05 TDB
period 2044.514847962129
5.60
1.1016e-05
3.016e-08
d
yr
n .1760808929115042 9.4875e-10 deg/d
Q 3.559129187585766 1.2785e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3790  
   data-arc span      41477 days (113.56 yr)  
   first obs. used      1908-01-13  
   last obs. used      2021-08-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42678  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 07:15:42  

Additional Information
 Earth MOID = 1.75532 au 
 Jupiter MOID = 1.4181 au 
 T_jup = 3.194 
[ 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 10.94   n/a MPO636076  
diameter diameter 31.225 km 0.164 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 13.529 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Hess, K.; Bruner, M.; Ditteon, R. (2017) Minor Planet Bull. 44, 3-5.]
geometric albedo albedo 0.129   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

1027 Aesculapia (A923 YO11)          Discovered 1923-Nov-11 by Van Biesbroeck, G. at Williams Bay
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
1929-May-29 07:21 00:02 Jupiter 1.83895088721744 1.83894988262353 1.83895189181104 2.94292163026017 2.78201111386189 2425760.806389386 1.66283822522583 37.7663430382014 5.84073230491174 29.9352788961029 4151107.21599976 T 48 CATAB v2.0g-lin.ifort 2021-Aug-25 07:16:30 2021-Aug-25 07:16
1939-Dec-17 12:31 00:01 Jupiter 1.49742491803895 1.49742444699906 1.49742538907834 1.57656323988721 1.16372082775906 2429615.021857547 1.42907851022995 71.7761817103053 28.2827325888045 12.5100598136872 2357018.56199117 T 48 CATAB v2.0g-lin.ifort 2021-Aug-25 07:16:30 2021-Aug-25 07:16
1950-Jul-19 12:35 00:01 Jupiter 1.50705798045598 1.50705762802895 1.50705833288516 1.52776705199617 1.09999906647113 2433482.024244891 1.15224358542624 128.881072843263 21.0151558441995 66.4727799854696 9884411.87872456 T 48 CATAB v2.0g-lin.ifort 2021-Aug-25 07:16:30 2021-Aug-25 07:16
1961-Feb-12 09:08 < 00:01 Jupiter 1.86149008528859 1.86148953134121 1.86149063923587 2.67134997388355 2.49520797686749 2437342.880208887 0.917496782211529 16.3492063061776 7.14688528044632 -15.4958012605223 2992202.05144805 T 48 CATAB v2.0g-lin.ifort 2021-Aug-25 07:16:30 2021-Aug-25 07:16
2036-Jan-29 15:03 < 00:01 Jupiter 1.77518886926932 1.77518851843937 1.77518922009927 2.63633084572491 2.44866296327725 2464722.127013936 0.42643739851586 10.6712443595682 5.60708122647954 47.3883170005087 4603918.00528405 T 48 CATAB v2.0g-lin.ifort 2021-Aug-25 07:16:30 2021-Aug-25 07:16
2046-Aug-16 11:11 < 00:01 Jupiter 1.46885375115161 1.46885360772401 1.46885389457921 1.46617318656142 0.998174797434187 2468573.965675163 0.647710875220077 54.6745699152863 32.1102497223987 42.8630242214057 6912350.23324736 T 48 CATAB v2.0g-lin.ifort 2021-Aug-25 07:16:30 2021-Aug-25 07:16
2057-Mar-15 19:01 < 00:01 Jupiter 1.55579875250036 1.55579823554699 1.55579926945462 1.67755346751985 1.31351700660847 2472438.292630483 0.913678423922453 93.4100477740089 10.6691766869773 65.8701630391875 10616864.726121 T 48 CATAB v2.0g-lin.ifort 2021-Aug-25 07:16:30 2021-Aug-25 07:16
2067-Oct-08 22:04 00:01 Jupiter 1.94085201746858 1.94085120152044 1.94085283341662 3.00861863448617 2.85988642079757 2476297.419625287 1.11533000456721 28.8206884039562 7.01981783784951 -1.09730044723585 1994871.62563338 T 48 CATAB v2.0g-lin.ifort 2021-Aug-25 07:16:30 2021-Aug-25 07:16
2142-Sep-19 04:59 00:02 Jupiter 1.69787185698831 1.69787045244326 1.69787326153212 2.29911565477998 2.07079373546704 2503670.707658577 2.48889657669946 30.815462197153 4.51500837851135 61.5624309705743 2731183.03080286 T 48 CATAB v2.0g-lin.ifort 2021-Aug-25 07:16:30 2021-Aug-25 07:16
2153-Apr-09 17:21 00:03 Jupiter 1.44659083658722 1.44659063549163 1.44659103768272 1.38745739816319 0.86831894187326 2507526.222805008 2.64676160688723 104.398883103616 82.43074118864 -40.2359325380021 4405200.08671832 T 48 CATAB v2.0g-lin.ifort 2021-Aug-25 07:16:30 2021-Aug-25 07:16
2163-Nov-05 21:24 00:03 Jupiter 1.61220834053753 1.61220678744612 1.6122098936314 1.87180579893534 1.56617251192941 2511388.391668320 2.94782766520389 169.284376094389 7.14668837972185 77.3043239847173 7841058.12328166 T 48 CATAB v2.0g-lin.ifort 2021-Aug-25 07:16:30 2021-Aug-25 07:16

Alternate Designations
 A923 YO11 = 1942 DH = 1977 LP1 = A899 PE = A908 AE 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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