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372 Palma (A893 QB)
Classification: Main-belt Asteroid          SPK-ID: 2000372
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 89 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2572821652488062 3.4492e-08  
a 3.154192352561367 7.3168e-09 au
q 2.342674914483152 1.0853e-07 au
i 23.83004584150107 4.8565e-06 deg
node 327.296116190066 1.0341e-05 deg
peri 115.6337059397691 1.4538e-05 deg
M 197.7878032300399 9.1861e-06 deg
tp 2460122.459181263376
(2023-Jun-26.95918126)
5.4278e-05 TDB
period 2046.118059331285
5.60
7.1196e-06
1.949e-08
d
yr
n .1759429268307498 6.122e-10 deg/d
Q 3.965709790639581 9.1993e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2587  
   data-arc span      46406 days (127.05 yr)  
   first obs. used      1893-08-22  
   last obs. used      2020-09-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43551  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 18:18:09  

Additional Information
 Earth MOID = 1.45463 au 
 Jupiter MOID = 1.57272 au 
 T_jup = 3.026 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455594.5 (2011-Feb-02.0) TDB
Reference: JPL 89 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2613173369218092 3.4472e-08  
q 2.325316114629263 1.0899e-07 au
tp 2456036.478950640197
(2012-Apr-18.97895064)
4.6601e-05 TDB
node 327.4635542997569 1.0347e-05 deg
peri 115.581966612636 1.4384e-05 deg
i 23.85207826617167 4.8594e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2587  
   data-arc span      46406 days (127.05 yr)  
   first obs. used      1893-08-22  
   last obs. used      2020-09-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43551  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 18:18:09  

Additional Information
 Jupiter MOID = 1.57272 au 
 T_jup = 3.026 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.188315952140275E-15 -3.752674319833705E-15 1.426162972256747E-13 3.268704289742141E-16 4.671023119337996E-14 -4.331473741079315E-15
q -3.752674319833705E-15 1.18780977510192E-14 -3.790850299212571E-13 4.328288803864759E-15 -1.361771426969354E-13 1.647426058202707E-14
tp 1.426162972256747E-13 -3.790850299212571E-13 2.17163147680713E-9 -7.963329989588584E-12 4.82595849990204E-10 1.42080397452235E-12
node 3.268704289742141E-16 4.328288803864759E-15 -7.963329989588584E-12 1.070631527149314E-10 -9.920476576581994E-11 4.962574978615484E-12
peri 4.671023119337996E-14 -1.361771426969354E-13 4.82595849990204E-10 -9.920476576581994E-11 2.068986377859778E-10 -4.552339269684849E-12
i -4.331473741079315E-15 1.647426058202707E-14 1.42080397452235E-12 4.962574978615484E-12 -4.552339269684849E-12 2.361383813515232E-11

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 7.46   n/a E2021B10  
diameter diameter 173.642 km 2.840 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 8.567 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Zappala, V.; Scaltriti, F.; Di Martino, M. (1983) Icarus 56, 325-344.]
[Piironen, J.; Lagerkvist, C.-I.; Erikson, A.; Oja, T.; et al. (1998) Astron. Astrophys. Suppl. Ser. 128, 525-540.]
[Torppa, J.; Kaasalainen, M.; Michalowski, T.; Kwiatkowski, T.; et al. (2003) Icarus 164, 346-383.]
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2011) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Durech, J.; Kaasalainen, M.; Herald, D.; Dunham, D.; et al. (2011) Icarus 214, 652-670.]
[Hanus, J.; Durech, J.; Broz, M.; Warner, B.D.; et al. (2011) Astron. Astrophys. 530, A134.]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.]
[Behrend, R. (2018) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Colazo, M.; Fornari, C.; Santucho, M.; Mottino, A.; et al. (2020) Minor Planet Bull. 47, 188-191.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.059   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
Tholen spectral type spec_T BFC   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a medium resolution spectrum published by Chapman and Gaffey (1979)
SMASSII spectral type spec_B B   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)

372 Palma (A893 QB)          Discovered 1893-Aug-19 by Charlois, A. at Nice
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
1926-Oct-09 09:00 < 00:01 Jupiter 1.70641322156604 1.70641238005147 1.70641406308062 6.40713460078038 6.32918808858277 2424797.875057798 0.718938886672855 64.7098868901128 41.6127176952434 -88.729924799446 3521145.40486503 T 89 CATAB v2.0g-lin.ifort 2021-May-03 18:18:35 2021-May-03 18:18
1937-Sep-15 20:21 < 00:01 Jupiter 1.68406938961193 1.68406864176691 1.68407013745715 6.32794231376809 6.24795409699054 2428792.347692151 0.575480555724622 72.6798662638565 31.3051357994089 -72.9993229371671 3131191.3083303 T 89 CATAB v2.0g-lin.ifort 2021-May-03 18:18:35 2021-May-03 18:18
2033-Jan-11 07:41 < 00:01 Jupiter 1.5596926578203 1.55969212069827 1.55969319494234 6.34054739882122 6.25431059632477 2463608.820149581 0.274911148191777 56.5446640842591 25.9647731918002 -85.864666297236 3641341.74907036 T 89 CATAB v2.0g-lin.ifort 2021-May-03 18:18:35 2021-May-03 18:18
2043-Dec-21 14:19 < 00:01 Jupiter 1.98003175076215 1.98003080353694 1.98003269798747 6.34363952407724 6.27584240058449 2467605.096706518 0.459855469296986 117.587161476404 44.5904637126994 -82.9995483573548 2980182.16488087 T 89 CATAB v2.0g-lin.ifort 2021-May-03 18:18:35 2021-May-03 18:18
2128-May-18 21:58 00:01 Jupiter 1.67153736043677 1.67153627546985 1.67153844540378 6.38752061536648 6.30769009746768 2498434.415298937 1.00519690314646 70.0346756791121 48.5308488472631 -62.4274159170425 3379929.55337754 T 89 CATAB v2.0g-lin.ifort 2021-May-03 18:18:35 2021-May-03 18:18
2139-May-02 02:51 00:01 Jupiter 1.65180288085469 1.65180169657671 1.65180406513333 6.3818884958804 6.30102590209603 2502434.618835147 1.02035145969712 92.574321979682 38.0594987959335 -58.1858909630986 2888047.90334897 T 89 CATAB v2.0g-lin.ifort 2021-May-03 18:18:35 2021-May-03 18:18

Alternate Designations
 A893 QB = 1940 CN = 1949 SP1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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