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1630 Milet (1952 DA)
Classification: Main-belt Asteroid          SPK-ID: 2001630
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 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1683306261578877 2.9329e-08  
a 3.028918211546488 1.0227e-08 au
q 2.519058512415838 8.8745e-08 au
i 4.53676750676683 4.1343e-06 deg
node 54.44817827868174 4.2193e-05 deg
peri 95.25851524744569 4.424e-05 deg
M 44.39538860869032 1.2104e-05 deg
tp 2459159.053863447421
(2020-Nov-05.55386345)
6.4657e-05 TDB
period 1925.438921424282
5.27
9.7514e-06
2.67e-08
d
yr
n .1869703556910035 9.4691e-10 deg/d
Q 3.538777910677138 1.1948e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3298  
   data-arc span      35276 days (96.58 yr)  
   first obs. used      1924-12-23  
   last obs. used      2021-07-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4225  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 07:54:08  

Additional Information
 Earth MOID = 1.536 au 
 Jupiter MOID = 1.48124 au 
 T_jup = 3.217 
[ 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 11.64   n/a MPO636086  
diameter diameter 19.168 km 0.116 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 32.55 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:
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Pray, D. (2005) Minor Planet Bull. 32, 48-51.]
[Hanus, J.; Durech, J.; Broz, M.; Marciniak, A.; et al. (2013) Astron. Astrophys. 551, A67.]
geometric albedo albedo 0.102   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

1630 Milet (1952 DA)          Discovered 1952-Feb-28 by Boyer, L. at Algiers
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
1939-Jun-19 06:22 00:01 Jupiter 1.51445779721491 1.51445727632067 1.51445831811707 1.30414535437219 0.763028992660453 2429433.765124408 1.35249842516482 592.089408584794 253.445631316411 21.9107442707059 1445246.6979379 T 45 CATAB v2.0g-lin.ifort 2021-Aug-25 07:54:46 2021-Aug-25 07:54
1987-Jan-15 05:01 < 00:01 Jupiter 1.52929035789245 1.52928992126984 1.52929079451957 1.40423312134656 0.929590180395264 2446810.709270610 0.516478439352612 281.505928350801 202.537656402834 38.1309207820088 1610562.635517 T 45 CATAB v2.0g-lin.ifort 2021-Aug-25 07:54:46 2021-Aug-25 07:54
2034-Sep-08 03:14 < 00:01 Jupiter 1.55763959204885 1.55763915012292 1.55764003397691 1.56536856937383 1.16739319691496 2464213.634617041 0.402906221694428 177.552539331736 122.065697803357 84.3297099213355 1650017.96205855 T 45 CATAB v2.0g-lin.ifort 2021-Aug-25 07:54:46 2021-Aug-25 07:54
2043-Oct-17 23:54 < 00:01 Jupiter 1.98943491951966 1.98943430876219 1.98943553027701 2.68568364274686 2.52217682278751 2467540.495933789 0.525050183166824 38.0055364439831 16.2768062484682 83.2439527915917 2272703.50115439 T 45 CATAB v2.0g-lin.ifort 2021-Aug-25 07:54:46 2021-Aug-25 07:54
2082-May-28 12:32 00:01 Jupiter 1.60908215458994 1.60908144353749 1.60908286564293 1.80903253672447 1.48989820104679 2481643.022244014 1.20324587947643 137.986504281104 60.9358468163271 89.7816522203588 1370555.73275486 T 45 CATAB v2.0g-lin.ifort 2021-Aug-25 07:54:46 2021-Aug-25 07:54
2091-Jul-10 20:12 00:01 Jupiter 1.89535983166603 1.89535877435565 1.89536088897565 2.30485303704529 2.10203760236753 2484973.341587742 1.31405113399489 45.0002789737598 13.6601538627542 89.0919021949362 1287557.91577668 T 45 CATAB v2.0g-lin.ifort 2021-Aug-25 07:54:46 2021-Aug-25 07:54
2130-Mar-11 04:22 00:02 Jupiter 1.69076859175503 1.69076740369045 1.69076977981923 2.15758739525182 1.91134652357406 2499095.681795392 1.92576468816742 104.640514209771 15.2086928241976 -83.712679908642 1119402.83645885 T 45 CATAB v2.0g-lin.ifort 2021-Aug-25 07:54:46 2021-Aug-25 07:54
2139-Apr-26 15:03 00:02 Jupiter 1.78704082076557 1.78703937861343 1.78704226291568 1.8791676339448 1.60726786378764 2502429.127224281 2.03099835168829 91.5984126289105 20.9561446532386 61.3781179475175 1259125.53911689 T 45 CATAB v2.0g-lin.ifort 2021-Aug-25 07:54:46 2021-Aug-25 07:54
2177-Dec-31 04:05 00:02 Jupiter 1.80097301129354 1.80097144505516 1.80097457753121 2.60265654383388 2.41520049459471 2516557.670149512 2.34083546006846 78.9988890119122 23.8765646727619 -65.0339315809651 1057869.20022506 T 45 CATAB v2.0g-lin.ifort 2021-Aug-25 07:54:46 2021-Aug-25 07:54
2187-Feb-17 17:45 00:02 Jupiter 1.68149290886399 1.6814913781628 1.68149443956804 1.50672579898423 1.12372495335958 2519893.239864177 2.44686107216347 350.015820301797 54.4885420276911 44.5577309827228 2084120.60294437 T 45 CATAB v2.0g-lin.ifort 2021-Aug-25 07:54:46 2021-Aug-25 07:54

Alternate Designations
 1952 DA = 1931 DQ = 1936 AB = 1942 GH = 1956 YL = A924 YD 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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