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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 65 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09705657153919241 3.3319e-08  
a 3.000388309197016 1.004e-08 au
q 2.709180906620079 9.9551e-08 au
i 14.47021056065879 3.534e-06 deg
node 179.3744681380123 1.5123e-05 deg
peri 87.55266530920963 2.4061e-05 deg
M 229.8940935811418 1.9988e-05 deg
tp 2459886.555318840389
(2022-Nov-03.05531884)
0.00010633 TDB
period 1898.299021010023
5.20
9.5287e-06
2.609e-08
d
yr
n .1896434629189535 9.5193e-10 deg/d
Q 3.291595711773952 1.1015e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3377  
   data-arc span      43481 days (119.04 yr)  
   first obs. used      1902-03-04  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .39144  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 18:27:54  

Additional Information
 Earth MOID = 1.74233 au 
 Jupiter MOID = 1.8717 au 
 T_jup = 3.198 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456178.5 (2012-Sep-08.0) TDB
Reference: JPL 65 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1007337178810175 3.3326e-08  
q 2.696228574109143 9.9992e-08 au
tp 2456092.139258829687
(2012-Jun-13.63925883)
9.8814e-05 TDB
node 179.4594035943881 1.5145e-05 deg
peri 87.5603750210511 2.3568e-05 deg
i 14.4623089662297 3.534e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3377  
   data-arc span      43481 days (119.04 yr)  
   first obs. used      1902-03-04  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .39144  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 18:27:54  

Additional Information
 Jupiter MOID = 1.8717 au 
 T_jup = 3.198 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.110589391897943E-15 -3.318983031928433E-15 2.818374418279998E-13 5.84000934988108E-16 6.05887382391701E-14 9.257992669604271E-16
q -3.318983031928433E-15 9.998328759246983E-15 -7.581405287068499E-13 -1.352203600366775E-15 -1.667120907002439E-13 -2.218199248494709E-15
tp 2.818374418279998E-13 -7.581405287068499E-13 9.764266420067843E-9 -1.919411309764026E-12 1.805062099503787E-9 2.717183688082262E-12
node 5.84000934988108E-16 -1.352203600366775E-15 -1.919411309764026E-12 2.293729649536995E-10 -2.223155061948546E-10 -4.436974932348977E-12
peri 6.05887382391701E-14 -1.667120907002439E-13 1.805062099503787E-9 -2.223155061948546E-10 5.554677846942242E-10 4.799587651641339E-12
i 9.257992669604271E-16 -2.218199248494709E-15 2.717183688082262E-12 -4.436974932348977E-12 4.799587651641339E-12 1.248912099838042E-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. 2020-October); 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 08:15 00:02 Jupiter 1.87505786900225 1.87505746068591 1.87505827732008 4.24173106570727 4.13386255688823 2416904.843728181 1.57981576511389 152.982775406091 15.7233969816553 84.2757644103405 3811232.82488419 T 65 CATAB v2.0g-lin.ifort 2021-May-03 18:28:27 2021-May-03 18:28
1988-Apr-24 14:15 < 00:01 Jupiter 1.8890334407405 1.88903306748215 1.88903381399886 4.08257138376657 3.97122277982671 2447276.093880197 0.396848031570567 53.3292632384551 16.4866616058021 81.9924623525241 4036152.22800944 T 65 CATAB v2.0g-lin.ifort 2021-May-03 18:28:27 2021-May-03 18:28
2034-Jun-29 08:26 < 00:01 Jupiter 1.99318371828262 1.99318337162227 1.99318406494297 5.22183759384347 5.1398121270283 2464142.851438476 0.337531527158904 46.7745347227158 15.1853151606754 -81.4790061592061 5193637.0178865 T 65 CATAB v2.0g-lin.ifort 2021-May-03 18:28:27 2021-May-03 18:28
2071-Jun-22 19:50 < 00:01 Jupiter 1.90817652744413 1.90817611828631 1.90817693660228 3.88459262035161 3.76859094303535 2477650.326734727 0.912969147783628 81.9922575357724 17.4524107812281 81.3373139472153 3365170.57709765 T 65 CATAB v2.0g-lin.ifort 2021-May-03 18:28:27 2021-May-03 18:28
2117-Aug-21 17:13 00:01 Jupiter 1.97682682244875 1.9768261565976 1.97682748830327 5.18784968909579 5.10458938006421 2494511.217294379 1.4629670995874 152.144220657305 15.3546312188804 -79.4059485613869 5009516.26576226 T 65 CATAB v2.0g-lin.ifort 2021-May-03 18:28:27 2021-May-03 18:28
2154-Aug-22 11:27 00:02 Jupiter 1.9343378200935 1.93433721809588 1.93433842209387 3.6704799863209 3.54917570227982 2508025.977041710 2.22346750233798 152.04369224077 18.9859047903036 76.9523382454662 2836290.93990674 T 65 CATAB v2.0g-lin.ifort 2021-May-03 18:28:27 2021-May-03 18:28
2200-Oct-16 17:21 00:03 Jupiter 1.95565598981802 1.9556550743612 1.95565690528752 5.11719317391929 5.03184235092843 2524882.222700746 2.61110062272128 271.767594355924 15.2407245170184 -81.4912641004109 4930571.7278484 T 65 CATAB v2.0g-lin.ifort 2021-May-03 18:28:27 2021-May-03 18:28

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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