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JPL Small-Body Database Browser
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482 Petrina (A902 EH)
Classification: Main-belt Asteroid          SPK-ID: 2000482
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 53 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09733236301017624 3.6794e-08  
a 2.999484144938984 1.1834e-08 au
q 2.707537265300515 1.0816e-07 au
i 14.47113058575094 3.9376e-06 deg
node 179.4003010003905 1.6283e-05 deg
peri 87.29289857290097 2.5964e-05 deg
M 116.3648983909454 2.0544e-05 deg
tp 2457987.179082521950
(2017-Aug-21.67908252)
0.00010801 TDB
period 1897.441009661713
5.19
1.1229e-05
3.074e-08
d
yr
n .1897292185458682 1.1228e-09 deg/d
Q 3.291431024577454 1.2986e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2735  
   data-arc span      43012 days (117.76 yr)  
   first obs. used      1902-03-04  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42447  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 20:43:36  

Additional Information
 Earth MOID = 1.74194 au 
 Jupiter MOID = 1.87309 au 
 T_jup = 3.198 
[ 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 8.9   n/a MPO502157 IRAS observations used: 6
diameter diameter 45.751 km 0.304 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 11.7922 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Garlitz, J. (2012) http://eoni.com/~garlitzj/Period.htm]
[Pilcher, F.; Ferrero, A.; Oey, J. (2012) Minor Planet Bull. 39, 228-229.]
[Pilcher, F. (2014) Minor Planet Bull. 41, 47-49.]
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.]
geometric albedo albedo 0.246   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.871   0.038 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=14.12 deg.
U-B UB 0.455   0.043 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=14.12 deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices

482 Petrina (A902 EH)          Discovered 1902-Mar-03 by Wolf, M. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A902 EH = 1949 HP1 = 1956 TK = 1975 FY = 1987 SJ12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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