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1529 Oterma (1938 BC)
Classification: Outer Main-belt Asteroid          SPK-ID: 2001529
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2007025332264045 4.1239e-08  
a 3.988009172838805 2.6005e-08 au
q 3.187605629319919 1.6346e-07 au
i 9.059533751915444 3.7247e-06 deg
node 100.6037810016037 2.8954e-05 deg
peri 294.7432012239415 3.0264e-05 deg
M 174.5627211398202 1.058e-05 deg
tp 2457589.972193147734
(2016-Jul-20.47219315)
7.9686e-05 TDB
period 2908.925841389062
7.96
2.8453e-05
7.79e-08
d
yr
n .1237570222237408 1.2105e-09 deg/d
Q 4.788412716357692 3.1224e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2615  
   data-arc span      25608 days (70.11 yr)  
   first obs. used      1950-06-24  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41594  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:36:20  

Additional Information
 Earth MOID = 2.20956 au 
 Jupiter MOID = .818673 au 
 T_jup = 2.999 
[ 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 10.0   n/a MPO492768  
diameter diameter 56.319 km 0.471 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
rotation period rot_per 14.321 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Ditteon, R.; Adam, A.; Doyel, M.; Gibson, J.; et al. (2018) Minor Planet Bull. 45, 13-16.]
[Warner, B.D.; Stephens, R.D.; Coley, D.R. (2018) Minor Planet Bull. 45, 147-161.]
geometric albedo albedo 0.054   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
B-V BV 0.764   0.013 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=8.26, mean=9.15, max.=10.19) deg.
U-B UB 0.386   0.105 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=9.01, mean=9.60, max.=10.19) deg.
Tholen spectral type spec_T P:   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices; used ground-based radiometric albedo

1529 Oterma (1938 BC)          Discovered 1938-Jan-26 by Vaisala, Y. at Turku
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
1904-Jun-16 12:02 00:01 Jupiter 1.77716088213712 1.77716037584098 1.77716138843325 4.12615038653412 4.00897566807242 2416648.001445145 1.31515635308582 66.5701292961457 22.7728100342776 -89.2163133655168 3740641.33625322 T 32 CATAB v2.0f-lin.ifort 2020-Aug-24 22:36:34 2020-Aug-24 22:36
1928-Feb-16 00:55 00:02 Jupiter 1.72887980392137 1.72887929017221 1.72888031767052 3.94558704066658 3.81939862394236 2425292.538090009 1.60223610037403 74.4634732629295 21.7417297260624 85.5340889711565 3486337.36740871 T 32 CATAB v2.0f-lin.ifort 2020-Aug-24 22:36:34 2020-Aug-24 22:36
1952-May-13 23:45 00:02 Jupiter 1.76572029443463 1.76571977210728 1.76572081676188 4.32102983738111 4.20854981006354 2434146.489488925 1.54973986629942 65.3574799762413 23.7152211673601 -89.9147221484421 3547436.61826521 T 32 CATAB v2.0f-lin.ifort 2020-Aug-24 22:36:34 2020-Aug-24 22:36
1976-Nov-12 22:13 00:01 Jupiter 1.77320647981786 1.77320594093858 1.77320701869714 4.57626313352863 4.47066296819486 2443095.426008529 1.10591355691538 44.8700931327173 24.7243148169895 -83.4902456148094 3820908.58683929 T 32 CATAB v2.0f-lin.ifort 2020-Aug-24 22:36:34 2020-Aug-24 22:36
2001-Apr-28 14:07 < 00:01 Jupiter 1.71558563705994 1.71558513702228 1.71558613709759 4.39702130463446 4.28326419750676 2452028.088349504 0.467555354188304 44.2678285950504 23.0131570827104 89.5645710866633 3800090.04137155 T 32 CATAB v2.0f-lin.ifort 2020-Aug-24 22:36:34 2020-Aug-24 22:36
2025-Jun-23 22:36 < 00:01 Jupiter 1.68016903765746 1.68016855376496 1.68016952154995 4.16269693858563 4.03977562659925 2460850.441425414 0.504890883329085 48.1173753276789 21.9218984093906 89.1263410816061 3731932.25552805 T 32 CATAB v2.0f-lin.ifort 2020-Aug-24 22:36:34 2020-Aug-24 22:36
2049-Feb-03 08:48 00:01 Jupiter 1.73674666456856 1.7367460987731 1.73674723036403 4.34788246975381 4.23422591633246 2469475.866593021 1.13604238741605 51.7927380831703 24.8961811101508 81.3581924698263 3389714.52218549 T 32 CATAB v2.0f-lin.ifort 2020-Aug-24 22:36:34 2020-Aug-24 22:36
2072-Mar-18 18:14 00:01 Jupiter 1.88186609669589 1.88186554123479 1.88186665215699 4.9706512069524 4.87926010532068 2477920.259907132 1.43836111997224 41.4107887566975 26.1522440350627 -88.3733073933443 3878299.66330126 T 32 CATAB v2.0f-lin.ifort 2020-Aug-24 22:36:34 2020-Aug-24 22:36
2095-Jan-24 08:34 00:02 Jupiter 1.99724276563979 1.99724227637152 1.99724325490806 5.43527157768903 5.35667670067664 2486266.856955994 1.5151380049899 58.7726358212901 23.0748426706993 -86.8606456765364 4475837.18371636 T 32 CATAB v2.0f-lin.ifort 2020-Aug-24 22:36:34 2020-Aug-24 22:36
2117-Nov-09 02:31 00:01 Jupiter 1.98639411498004 1.98639360168342 1.98639462827689 5.21202562857124 5.12956011007439 2494590.604606230 1.49160604634106 75.7949612127345 21.0147474470351 80.6870225090211 4562142.84850332 T 32 CATAB v2.0f-lin.ifort 2020-Aug-24 22:36:34 2020-Aug-24 22:36
2140-Oct-11 11:28 00:01 Jupiter 1.85134030352774 1.85133973301246 1.85134087404366 4.47288828628929 4.36940413995769 2502962.977705536 1.39636094067928 73.4654859112093 14.6389136097994 72.1476495102207 5630330.34576596 T 32 CATAB v2.0f-lin.ifort 2020-Aug-24 22:36:34 2020-Aug-24 22:36
2164-Feb-04 23:45 00:01 Jupiter 1.73498342466425 1.73498287677048 1.73498397255872 3.98077342228384 3.856183719764 2511479.489656729 1.25326807302977 67.0465052783054 9.96436908098895 69.6267565773579 5395477.53254966 T 32 CATAB v2.0f-lin.ifort 2020-Aug-24 22:36:34 2020-Aug-24 22:36
2188-Jan-11 14:41 00:01 Jupiter 1.73693478693241 1.73693421986716 1.73693535399805 4.05655977920588 3.93451013801652 2520221.111958679 1.15518357976515 57.3492189526087 10.6813374466761 65.5653331433548 4674100.77441926 T 32 CATAB v2.0f-lin.ifort 2020-Aug-24 22:36:34 2020-Aug-24 22:36

Alternate Designations
 1938 BC = 1950 PV = 1959 RD1 = A912 VO 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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