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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 88 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2572821657430599 3.4517e-08  
a 3.154192353403595 7.5564e-09 au
q 2.342674913549719 1.0856e-07 au
i 23.83004572426338 4.8585e-06 deg
node 327.296116029281 1.0343e-05 deg
peri 115.6337059878273 1.4539e-05 deg
M 197.7878030515835 9.1955e-06 deg
tp 2460122.459182646932
(2023-Jun-26.95918265)
5.4372e-05 TDB
period 2046.118060150813
5.60
7.3528e-06
2.013e-08
d
yr
n .1759429267602797 6.3225e-10 deg/d
Q 3.965709793257472 9.5006e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2582  
   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      .43516  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 10:46:56  

Additional Information
 Earth MOID = 1.45463 au 
 Jupiter MOID = 1.57272 au 
 T_jup = 3.026 
[ 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 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

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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 1.70641319300682 1.70641233161206 1.70641405440158 6.40713456515728 6.32918805120837 2424797.875035633 0.750042720898281 64.9240277930279 42.5686974162724 -87.6457486058787 3486602.9444408 T 88 CATAB v2.0f-lin.ifort 2021-Apr-12 10:47:27 2021-Apr-12 10:47
1937-Sep-15 20:21 < 00:01 Jupiter 1.68406940713515 1.68406864778081 1.68407016648969 6.32794216455526 6.24795394670507 2428792.347664677 0.59820106226196 73.4019443468143 31.5236721968531 -72.500743315673 3119903.14356108 T 88 CATAB v2.0f-lin.ifort 2021-Apr-12 10:47:27 2021-Apr-12 10:47
2033-Jan-11 07:41 < 00:01 Jupiter 1.5596926560804 1.55969211891386 1.55969319324694 6.34054727674199 6.25431047246539 2463608.820144493 0.280325327168284 56.577203658135 25.9670478764773 -85.8715534963329 3639966.62278028 T 88 CATAB v2.0f-lin.ifort 2021-Apr-12 10:47:27 2021-Apr-12 10:47
2043-Dec-21 14:19 < 00:01 Jupiter 1.98003172223337 1.98003076051196 1.9800326839549 6.34363949238393 6.27584236756669 2467605.096715148 0.47042237597913 118.269723911464 45.1036121391354 -82.5947118282694 2955826.91601999 T 88 CATAB v2.0f-lin.ifort 2021-Apr-12 10:47:27 2021-Apr-12 10:47
2128-May-18 21:58 00:01 Jupiter 1.67153739877444 1.6715362771019 1.67153852044707 6.38752060747241 6.30769009131626 2498434.415329509 1.04980843568875 71.7486273284798 49.1286740936329 -59.8701678177192 3349175.45521731 T 88 CATAB v2.0f-lin.ifort 2021-Apr-12 10:47:27 2021-Apr-12 10:47
2139-May-02 02:51 00:01 Jupiter 1.65180283680379 1.65180161287069 1.65180406073764 6.38188855605071 6.30102596086821 2502434.618870771 1.06497226034389 94.7208272054153 38.4577970570741 -57.3179975496134 2867964.18082631 T 88 CATAB v2.0f-lin.ifort 2021-Apr-12 10:47:27 2021-Apr-12 10:47

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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