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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 59 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09716720824706543 3.6433e-08  
a 3.000252556765589 1.1422e-08 au
q 2.708726391788557 1.0721e-07 au
i 14.46931900909747 3.6995e-06 deg
node 179.3836151680667 1.6184e-05 deg
peri 87.48548999311467 2.509e-05 deg
M 192.0395586410056 2.0051e-05 deg
tp 2459886.104174587393
(2022-Nov-02.60417459)
0.00010677 TDB
period 1898.17018978909
5.20
1.084e-05
2.968e-08
d
yr
n .1896563342615766 1.0831e-09 deg/d
Q 3.291778721742621 1.2532e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3029  
   data-arc span      43341 days (118.66 yr)  
   first obs. used      1902-03-04  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40962  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:29:07  

Additional Information
 Earth MOID = 1.74349 au 
 Jupiter MOID = 1.87253 au 
 T_jup = 3.198 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455825.5 (2011-Sep-21.0) TDB
Reference: JPL 59 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1010084850512146 3.6373e-08  
q 2.696049746008927 1.0754e-07 au
tp 2456092.434625573243
(2012-Jun-13.93462557)
9.9973e-05 TDB
node 179.4678907974295 1.6201e-05 deg
peri 87.62516352580924 2.4559e-05 deg
i 14.46318086385815 3.6991e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3029  
   data-arc span      43341 days (118.66 yr)  
   first obs. used      1902-03-04  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40962  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:29:07  

Additional Information
 Jupiter MOID = 1.87253 au 
 T_jup = 3.198 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.322993352952331E-15 -3.894993855044303E-15 4.479832040829598E-14 -1.518929281722894E-15 4.607691111516301E-15 9.804570530891151E-16
q -3.894993855044303E-15 1.156586084735541E-14 -1.194776968215555E-13 5.172880005445916E-15 -1.635668695361476E-14 -2.251538600690015E-15
tp 4.479832040829598E-14 -1.194776968215555E-13 9.994594985269281E-9 -7.337492115918855E-12 1.868838722145014E-9 1.060611108611512E-12
node -1.518929281722894E-15 5.172880005445916E-15 -7.337492115918855E-12 2.624655981196408E-10 -2.553135407674578E-10 1.549195230234471E-12
peri 4.607691111516301E-15 -1.635668695361476E-14 1.868838722145014E-9 -2.553135407674578E-10 6.031412281431295E-10 -1.331614208754616E-12
i 9.804570530891151E-16 -2.251538600690015E-15 1.060611108611512E-12 1.549195230234471E-12 -1.331614208754616E-12 1.368366996405181E-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 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-August); 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

[ 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
1905-Feb-28 08:16 00:02 Jupiter 1.87505793019271 1.87505746050979 1.87505839987819 4.24172910728117 4.1338605503216 2416904.844333527 1.79861530936443 170.570681078167 16.9680782170688 83.5205818527677 3602751.80190225 T 59 CATAB v2.0f-lin.ifort 2020-Nov-13 04:29:15 2020-Nov-13 04:29
1988-Apr-24 14:15 < 00:01 Jupiter 1.88903339215018 1.88903298504347 1.889033799257 4.08257084417246 3.97122222157494 2447276.093956078 0.438429652814205 54.788219413698 18.191785209991 81.337125172231 3784485.07660497 T 59 CATAB v2.0f-lin.ifort 2020-Nov-13 04:29:15 2020-Nov-13 04:29
2034-Jun-29 08:26 < 00:01 Jupiter 1.99318367933338 1.99318330765914 1.99318405100773 5.22183699509406 5.13981151665113 2464142.851478958 0.379529465452054 50.9859259018275 15.8277613607685 -80.5140427172848 5007924.5407886 T 59 CATAB v2.0f-lin.ifort 2020-Nov-13 04:29:15 2020-Nov-13 04:29
2071-Jun-22 19:51 00:01 Jupiter 1.90817649319627 1.9081760790072 1.90817690738556 3.88459186784084 3.76859016459667 2477650.326852920 1.05055095443932 94.7553228319701 18.6758894541256 83.2676223269424 3015520.22979224 T 59 CATAB v2.0f-lin.ifort 2020-Nov-13 04:29:15 2020-Nov-13 04:29
2117-Aug-21 17:13 00:02 Jupiter 1.97682668979746 1.97682592046925 1.97682745913028 5.1878488099066 5.10458848043837 2494511.217469233 1.67422863845372 173.385704204064 15.947032248546 -78.9598734577259 4895448.57163002 T 59 CATAB v2.0f-lin.ifort 2020-Nov-13 04:29:15 2020-Nov-13 04:29
2154-Aug-22 11:27 00:03 Jupiter 1.93433778077569 1.93433715746145 1.93433840409356 3.67047912381929 3.54917480711012 2508025.977133985 2.55377793939402 176.523798481329 20.4591493970272 77.9647700976599 2572605.93574448 T 59 CATAB v2.0f-lin.ifort 2020-Nov-13 04:29:15 2020-Nov-13 04:29
2200-Oct-16 17:21 00:03 Jupiter 1.95565600210641 1.95565493762443 1.9556570666055 5.11719286951528 5.03184204142642 2524882.222594303 2.98917915469116 310.843374427353 15.8383635294503 -81.2285167099919 4814654.27704208 T 59 CATAB v2.0f-lin.ifort 2020-Nov-13 04:29:15 2020-Nov-13 04:29

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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