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372 Palma (1893 AH)
Classification: Main-belt Asteroid          SPK-ID: 2000372
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 62 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2601177363769787 2.9328e-08  
a 3.149990490383193 1.0028e-08 AU
q 2.330622094415708 9.2942e-08 AU
i 23.82941811105278 4.9305e-06 deg
node 327.3725035612872 1.0064e-05 deg
peri 115.5988783557736 1.4369e-05 deg
M 170.0361885299702 9.0437e-06 deg
tp 2456036.002399473571
(2012-Apr-18.50239947)
4.9677e-05 JED
period 2042.030812330956
5.59
9.7511e-06
2.67e-08
d
yr
n .1762950871387998 8.4185e-10 deg/d
Q 3.969358886350679 1.2636e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1162  
   data-arc span      44327 days (121.36 yr)  
   first obs. used      1893-09-30  
   last obs. used      2015-02-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58156  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 13:28:09  

Additional Information
 Earth MOID = 1.44298 AU 
 T_jup = 3.026 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 7.5 mag n/a MPO265957  
diameter diameter 188.62 km 3.2 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 18
rotation period rot_per 8.567 h n/a LCDB (Rev. 2015-May); 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]
[Hanus, J.; Durech, J.; Broz, M.; Warner, B.D.; et al. (2011) Astron. Astrophys. 530, A134.]
[Durech, J.; Kaasalainen, M.; Herald, D.; Dunham, D.; et al. (2011) Icarus 214, 652-670.]
[Behrend, R. (2011) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.0655   0.002 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 18
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 (1893 AH)          Discovered 1893-Aug-19 by Charlois, A. at Nice
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1893 AH = 1940 CN = 1949 SP1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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