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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 93 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2560269102749451 3.4366e-08  
a 3.157804665379387 7.617e-09 au
q 2.349321693650496 1.0833e-07 au
i 23.83590206477094 4.7697e-06 deg
node 327.2820004329539 1.0019e-05 deg
peri 115.5069552277327 1.3952e-05 deg
M 232.3807266225458 9.0551e-06 deg
tp 2460123.091121448564
(2023-Jun-27.59112145)
5.3434e-05 TDB
period 2049.6340152936
5.61
7.416e-06
2.03e-08
d
yr
n .1756411131518189 6.355e-10 deg/d
Q 3.966287637108278 9.5672e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2761  
   data-arc span      46738 days (127.96 yr)  
   first obs. used      1893-08-22  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42427  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 06:32:33  

Additional Information
 Earth MOID = 1.46181 au 
 Jupiter MOID = 1.57196 au 
 T_jup = 3.025 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455768.5 (2011-Jul-26.0) TDB
Reference: JPL 93 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2612730920454562 3.4368e-08  
q 2.326951658977659 1.0871e-07 au
tp 2456036.094612497011
(2012-Apr-18.59461250)
4.5183e-05 TDB
node 327.4471614407683 1.0045e-05 deg
peri 115.452355588138 1.3813e-05 deg
i 23.83750807730227 4.7694e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2761  
   data-arc span      46738 days (127.96 yr)  
   first obs. used      1893-08-22  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42427  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 06:32:33  

Additional Information
 Jupiter MOID = 1.57196 au 
 T_jup = 3.025 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.181127928459856E-15 -3.731911642138444E-15 1.734659517090775E-13 8.499716676577744E-16 5.458439357304341E-14 -3.885147630500756E-15
q -3.731911642138444E-15 1.181883661632803E-14 -4.743260442150602E-13 3.253999318554895E-15 -1.612548654628245E-13 1.407029247027847E-14
tp 1.734659517090775E-13 -4.743260442150602E-13 2.041474312582192E-9 -5.551140595626041E-12 4.442880485823731E-10 2.45561598831021E-12
node 8.499716676577744E-16 3.253999318554895E-15 -5.551140595626041E-12 1.009025709990587E-10 -9.304383035479128E-11 2.666928273290005E-12
peri 5.458439357304341E-14 -1.612548654628245E-13 4.442880485823731E-10 -9.304383035479128E-11 1.90794853059403E-10 -2.163116776801152E-12
i -3.885147630500756E-15 1.407029247027847E-14 2.45561598831021E-12 2.666928273290005E-12 -2.163116776801152E-12 2.274689436473492E-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 7.45   n/a MPO636065  
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

[ show close-approach data ]
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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