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399 Persephone (A895 DD)
Classification: Main-belt Asteroid          SPK-ID: 2000399
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 47 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07625344539828029 1.0627e-08  
a 3.049362087823657 1.1762e-08 au
q 2.81683772236021 3.6179e-08 au
i 13.11567703983358 5.1545e-07 deg
node 346.197370825337 8.1846e-07 deg
peri 193.1514540488443 1.7841e-05 deg
M 228.1866662454925 2.1403e-05 deg
tp 2460108.645550181654
(2023-Jun-13.14555018)
0.0001175 TDB
period 1944.965587038941
5.33
1.1253e-05
3.081e-08
d
yr
n .1850932491551544 1.0709e-09 deg/d
Q 3.281886453287105 1.2659e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3753  
   data-arc span      46151 days (126.35 yr)  
   first obs. used      1895-02-27  
   last obs. used      2021-07-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .38211  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 09:19:05  

Additional Information
 Earth MOID = 1.82367 au 
 Jupiter MOID = 1.69783 au 
 T_jup = 3.193 
[ 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 9.01   n/a MPCxxxxx  
diameter diameter 39.566 km 1.885 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 9.136 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Bembrick, C. (2002) Minor Planet Bull. 29, 76-78.]
[Hanus, J.; Durech, J.; Broz, M.; Warner, B.D.; et al. (2011) Astron. Astrophys. 530, A134.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.311   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
SMASSII spectral type spec_B X   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)

399 Persephone (A895 DD)          Discovered 1895-Feb-23 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
1902-Nov-22 11:44 00:02 Jupiter 1.84335894082093 1.84335783772441 1.84336004392929 4.19812329607709 4.08720444920551 2416075.989098324 1.97685204783442 243.789755977282 4.57865587606738 76.9453875598087 17401574.9792001 T 47 CATAB v2.0g-lin.ifort 2021-Jul-09 09:21:37 2021-Jul-09 09:21
1951-May-17 01:09 00:01 Jupiter 1.70544192891574 1.70544178101011 1.70544207682641 4.08798727998572 3.96463398965596 2433783.547810232 1.08816274028771 160.091262096461 2.69212005294474 87.2670560620243 15886058.7725162 T 47 CATAB v2.0g-lin.ifort 2021-Jul-09 09:21:37 2021-Jul-09 09:21
1999-Dec-03 12:02 < 00:01 Jupiter 1.91189004120751 1.91188979453658 1.91189028787844 3.37426244769666 3.24030697590522 2451516.001539083 0.297557415858785 16.2095648853221 5.17043950339581 43.852863319129 12333255.1205765 T 47 CATAB v2.0g-lin.ifort 2021-Jul-09 09:21:37 2021-Jul-09 09:21
2009-Jul-06 13:49 < 00:01 Jupiter 1.89007294697981 1.89007279888049 1.89007309507914 4.23849510681115 4.13141080578492 2455019.075367780 0.0973816516829498 17.1573392744499 4.96885375301644 73.5822218591425 15747635.1089857 T 47 CATAB v2.0g-lin.ifort 2021-Jul-09 09:21:37 2021-Jul-09 09:21
2057-Dec-30 00:43 < 00:01 Jupiter 1.71131232842089 1.71131223491123 1.71131242193151 4.12776703901387 4.00606425618095 2472727.529944069 0.752845312042511 77.1898330910606 2.12217712926484 87.2409320556719 17704544.5899608 T 47 CATAB v2.0g-lin.ifort 2021-Jul-09 09:21:37 2021-Jul-09 09:21
2106-Jul-14 08:51 00:02 Jupiter 1.87484398014993 1.87484318626331 1.87484477403848 3.40484650708119 3.26946690945155 2490454.868664689 1.8057800584202 106.78037208638 4.41454383240867 64.4432647216301 11704627.3211516 T 47 CATAB v2.0g-lin.ifort 2021-Jul-09 09:21:37 2021-Jul-09 09:21
2116-Feb-18 16:28 00:02 Jupiter 1.94548957040494 1.94548846169712 1.94549067911872 4.29885025624217 4.19635060455877 2493961.185767478 1.82028371662078 182.286830255624 5.40002260102377 72.3109668034462 14963559.3922783 T 47 CATAB v2.0g-lin.ifort 2021-Jul-09 09:21:37 2021-Jul-09 09:21
2164-Aug-14 08:58 00:03 Jupiter 1.72264001752828 1.72263972630439 1.72264030875922 4.17076496963966 4.05115785309857 2511670.873353391 2.5777689730982 181.16090095391 2.31827932705947 86.1603367343699 15905197.9069328 T 47 CATAB v2.0g-lin.ifort 2021-Jul-09 09:21:37 2021-Jul-09 09:21

Alternate Designations
 A895 DD = 1948 CC 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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