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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 46 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07617890804187369 1.0638e-08  
a 3.049367952004769 1.1841e-08 au
q 2.817070431203161 3.6242e-08 au
i 13.11561622581432 5.1545e-07 deg
node 346.1973189203436 8.1848e-07 deg
peri 193.2476542280159 1.7859e-05 deg
M 191.7944435493342 2.1331e-05 deg
tp 2460109.263784897201
(2023-Jun-13.76378490)
0.00011763 TDB
period 1944.971197541539
5.33
1.1329e-05
3.102e-08
d
yr
n .1850927152314868 1.0781e-09 deg/d
Q 3.281665472806378 1.2743e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3396  
   data-arc span      46005 days (125.95 yr)  
   first obs. used      1895-02-27  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40032  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 10:49:38  

Additional Information
 Earth MOID = 1.82268 au 
 Jupiter MOID = 1.69878 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 1.84335894413242 1.84335784066821 1.84336004760846 4.19812330665669 4.08720446027418 2416075.989103463 1.97749870386624 243.867174506162 4.57886274830116 76.9451597949687 17401159.6942487 T 46 CATAB v2.0f-lin.ifort 2021-Apr-12 10:51:58 2021-Apr-12 10:51
1951-May-17 01:09 00:01 Jupiter 1.70544192859142 1.70544178064071 1.70544207654717 4.08798729620232 3.9646340063533 2433783.547804674 1.08851361900759 160.142343622682 2.69219967064024 87.2669044307141 15885354.2141843 T 46 CATAB v2.0f-lin.ifort 2021-Apr-12 10:51:58 2021-Apr-12 10:51
1999-Dec-03 12:02 < 00:01 Jupiter 1.91189004120347 1.91188979445375 1.91189028795319 3.37426243069022 3.24030695819544 2451516.001542114 0.297641479274159 16.214929971686 5.17056209472365 43.8505739152303 12333034.4211376 T 46 CATAB v2.0f-lin.ifort 2021-Apr-12 10:51:58 2021-Apr-12 10:51
2009-Jul-06 13:49 < 00:01 Jupiter 1.89007294712716 1.89007279900571 1.89007309524862 4.23849511747131 4.13141081672984 2455019.075378394 0.0973966179572001 17.159102220145 4.96916126819477 73.5796770485101 15746647.8282689 T 46 CATAB v2.0f-lin.ifort 2021-Apr-12 10:51:58 2021-Apr-12 10:51
2057-Dec-30 00:43 < 00:01 Jupiter 1.7113123285582 1.71131223504086 1.71131242207651 4.12776703550922 4.00606425257974 2472727.529945079 0.753105244572018 77.1967750601987 2.12221911594634 87.240987576763 17702272.1781308 T 46 CATAB v2.0f-lin.ifort 2021-Apr-12 10:51:58 2021-Apr-12 10:51
2106-Jul-14 08:51 00:02 Jupiter 1.87484397955633 1.87484318543461 1.87484477368008 3.40484648236685 3.26946688367011 2490454.868667781 1.80639189703466 106.813194927207 4.41461183947379 64.4431468493879 11703949.4743152 T 46 CATAB v2.0f-lin.ifort 2021-Apr-12 10:51:58 2021-Apr-12 10:51
2116-Feb-18 16:28 00:02 Jupiter 1.94548957226412 1.94548846320551 1.94549068132881 4.29885026005638 4.1963506085653 2493961.185771361 1.82089869413425 182.348760921908 5.40023494362424 72.3113047272212 14963167.2519105 T 46 CATAB v2.0f-lin.ifort 2021-Apr-12 10:51:58 2021-Apr-12 10:51
2164-Aug-14 08:58 00:03 Jupiter 1.72264001850559 1.72263972718368 1.72264030983465 4.17076496343386 4.05115784677841 2511670.873351526 2.57863635390571 181.226936036526 2.31831845495927 86.1603973596536 15905039.7226463 T 46 CATAB v2.0f-lin.ifort 2021-Apr-12 10:51:58 2021-Apr-12 10:51

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