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137 Meliboea (A874 HA)
Classification: Main-belt Asteroid          SPK-ID: 2000137
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 111 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2118430606834213 1.4443e-08  
a 3.12520262506996 7.0132e-09 au
q 2.463150135719277 4.4968e-08 au
i 13.42716273807325 3.2674e-07 deg
node 202.2019048611051 3.9755e-06 deg
peri 107.4319849652794 5.6937e-06 deg
M 146.1423579275682 7.0464e-06 deg
tp 2458381.301201013161
(2018-Sep-19.80120101)
3.74e-05 TDB
period 2017.97460926029
5.52
6.7927e-06
1.86e-08
d
yr
n .1783966945609696 6.005e-10 deg/d
Q 3.787255114420644 8.4989e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3353  
   data-arc span      49648 days (135.93 yr)  
   first obs. used      1885-04-18  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42189  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 17:54:49  

Additional Information
 Earth MOID = 1.48867 au 
 Jupiter MOID = 1.81049 au 
 T_jup = 3.138 
[ 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 8.19   n/a MPCxxxxx IRAS observations used: 11
diameter diameter 128.678 km 0.533 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 25.676 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Pilcher, F.; Jardine, D. (2009) Minor Planet Bull. 36, 52-54.]
[Behrend, R. (2012) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.065   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.689   0.031 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=4; phase (min.=7.19, mean=11.61, max.=17.67) deg.
U-B UB 0.326   0.041 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=5; phase (min.=7.19, mean=11.08, max.=17.67) deg.
Tholen spectral type spec_T C   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices; used ground-based radiometric albedo

137 Meliboea (A874 HA)          Discovered 1874-Apr-21 by Palisa, J. at Pola
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
1955-Mar-14 17:46 < 00:01 Jupiter 1.82982377814731 1.82982365983184 1.82982389646347 0.778718391595531 n/a 2435181.240370126 0.726795734902512 94.1371566526499 4.72251737842741 87.8443009784787 57908268.5021808 F 111 CATAB v2.0g-lin.ifort 2021-May-03 17:56:56 2021-May-03 17:56
1965-Feb-25 05:04 < 00:01 Jupiter 1.8773922101562 1.87739198108801 1.87739243922471 4.22749332300365 4.11938834818127 2438816.710859532 0.406780910251986 46.8741561069941 5.62837505459988 -80.3367975056172 22471169.8164449 T 111 CATAB v2.0g-lin.ifort 2021-May-03 17:56:56 2021-May-03 17:56
2027-Jun-18 11:23 < 00:01 Jupiter 1.88070132947278 1.88070120147425 1.88070145747132 2.46818690065297 2.27841936921851 2461574.974647830 0.203667757999325 13.2172545841459 8.7833244814482 -76.803383591219 10727722.5767189 T 111 CATAB v2.0g-lin.ifort 2021-May-03 17:56:56 2021-May-03 17:56
2037-Mar-30 18:49 < 00:01 Jupiter 1.82430619814097 1.82430608801992 1.82430630826202 2.46627398363488 2.27022256489067 2465148.283798479 0.333052735343579 15.2669297992378 12.3911530599594 -88.0156366253103 6726475.69156767 T 111 CATAB v2.0g-lin.ifort 2021-May-03 17:56:56 2021-May-03 17:56
2099-Jul-08 12:14 < 00:01 Jupiter 1.9917086817119 1.99170842374957 1.99170893967524 3.78592254306646 3.67187430427646 2487893.009756553 0.830710835456391 80.2503268248667 5.78232285470742 -84.0451191142382 20268649.1145486 T 111 CATAB v2.0g-lin.ifort 2021-May-03 17:56:56 2021-May-03 17:56
2109-Jul-23 01:17 00:01 Jupiter 1.82854567027925 1.82854557275637 1.82854576780215 0.945024349857191 n/a 2491559.553523879 1.30200765069095 37.0328737890373 4.73087529178296 88.2429437379719 57779650.9906101 F 111 CATAB v2.0g-lin.ifort 2021-May-03 17:56:56 2021-May-03 17:56
2119-Jun-12 06:31 00:01 Jupiter 1.90900695090176 1.90900671312109 1.90900718868396 4.1218741468674 4.0127858826762 2495170.771417503 1.09222953591651 98.3023184968759 5.61160662529627 -86.7285666986285 24607374.1391208 T 111 CATAB v2.0g-lin.ifort 2021-May-03 17:56:56 2021-May-03 17:56
2181-Oct-07 06:48 00:02 Jupiter 1.85354529689903 1.85354504936532 1.85354554443664 2.75269386284097 2.58135138254821 2517933.783507849 1.75731352929813 158.909244143641 7.49828128720283 85.5050120721925 15303895.4462024 T 111 CATAB v2.0g-lin.ifort 2021-May-03 17:56:56 2021-May-03 17:56
2191-Jul-30 02:31 00:02 Jupiter 1.85772752875287 1.85772739439741 1.85772766310823 2.07752632227283 1.8450540954802 2521516.604693922 2.18490723194679 117.977262914749 17.4822557220475 2.75517618362465 689272.062184365 T 111 CATAB v2.0g-lin.ifort 2021-May-03 17:56:56 2021-May-03 17:56

Alternate Designations
 A874 HA = 1958 UE = 1962 GB = A923 FA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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