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JPL Small-Body Database Browser
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1579 Herrick (1948 SB)
Classification: Outer Main-belt Asteroid          SPK-ID: 2001579
[ 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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1260587037101538 3.2969e-08  
a 3.439110013150465 1.7084e-08 au
q 3.005580262976107 1.1527e-07 au
i 8.760126005282324 4.5515e-06 deg
node 184.1348734835107 2.4656e-05 deg
peri 279.9633769669741 3.0675e-05 deg
M 336.8076582518862 1.7801e-05 deg
tp 2458750.575441937608
(2019-Sep-24.07544194)		 0.00011541 TDB
period 2329.525827288789
6.38		 1.7358e-05
4.752e-08		 d
yr
n .1545378874030278 1.1515e-09 deg/d
Q 3.872639763324822 1.9237e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2529  
   data-arc span      32931 days (90.16 yr)  
   first obs. used      1929-10-09  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45888  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 21:02:26  

Additional Information
 Earth MOID = 2.039 au 
 Jupiter MOID = 1.37908 au 
 T_jup = 3.107 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456092.5 (2012-Jun-14.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1295366601734335 3.2574e-08  
q 2.994869801145984 1.1543e-07 au
tp 2456429.682218038090
(2013-May-17.18221804)		 0.00011084 TDB
node 184.3811611646389 2.4602e-05 deg
peri 280.9115538336849 3.0404e-05 deg
i 8.770511339271611 4.5573e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      2529  
   data-arc span      32931 days (90.16 yr)  
   first obs. used      1929-10-09  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45888  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 21:02:26  

Additional Information
 Jupiter MOID = 1.37908 au 
 T_jup = 3.107 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.061063014514649E-15 -3.728898570230032E-15 2.240214264627867E-13 -9.622322732559556E-17 4.931229415521328E-14 -7.378472767714834E-16
q -3.728898570230032E-15 1.33252347537749E-14 -7.592481066476956E-13 3.108975778428269E-15 -1.767097326323636E-13 1.436940691495545E-15
tp 2.240214264627867E-13 -7.592481066476956E-13 1.228614533093736E-8 -1.439743278400414E-11 1.998500511809499E-9 -1.272690863002243E-12
node -9.622322732559556E-17 3.108975778428269E-15 -1.439743278400414E-11 6.052578931145667E-10 -5.999575598802521E-10 2.233851391818619E-12
peri 4.931229415521328E-14 -1.767097326323636E-13 1.998500511809499E-9 -5.999575598802521E-10 9.244068522437854E-10 -2.459651307943771E-12
i -7.378472767714834E-16 1.436940691495545E-15 -1.272690863002243E-12 2.233851391818619E-12 -2.459651307943771E-12 2.076881432422096E-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 10.7   n/a MPO502168 IRAS observations used: 14
diameter diameter 46.925 km 0.405 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.043   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.645   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=2.73 deg.
U-B UB 0.289   0.032 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=2.73 deg.
Tholen spectral type spec_T F   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices

1579 Herrick (1948 SB)          Discovered 1948-Sep-30 by Arend, S. at Uccle
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
1903-Jul-16 02:25 00:03 Jupiter 1.41328893773655 1.41328795774346 1.41328991774505 2.50260525198663 2.25041743405737 2416311.600466159 3.14474854441526 288.493921244041 24.871277959657 -89.1166283674116 1753660.15486676 T 33 CATAB v2.0f-lin.ifort 2019-Dec-13 21:02:45 2019-Dec-13 21:02
1917-Mar-20 03:25 00:03 Jupiter 1.8628656115445 1.86286401993926 1.86286720315229 4.22264509695403 4.1135575536614 2421307.642305843 2.55028433480417 140.076558162148 21.5180018706553 59.309415049604 3516334.95078 T 33 CATAB v2.0f-lin.ifort 2019-Dec-13 21:02:45 2019-Dec-13 21:02
1971-Apr-26 21:18 00:01 Jupiter 1.65514692684523 1.6551462029575 1.65514765073271 2.36735594765999 2.14029738184656 2441068.387187687 1.30068996181253 87.5353129938147 20.970763747972 -89.6894611466249 1431207.71318533 T 33 CATAB v2.0f-lin.ifort 2019-Dec-13 21:02:45 2019-Dec-13 21:02
1985-Apr-19 00:42 < 00:01 Jupiter 1.37188040999293 1.37187980951958 1.37188101070561 1.1161322687409 0.10448400784562 2446174.528941151 0.986399083976091 277074.83216192 1247.61817821588 5.78927041296259 9736554.6165248 T 33 CATAB v2.0f-lin.ifort 2019-Dec-13 21:02:45 2019-Dec-13 21:02
1999-Feb-01 22:30 < 00:01 Jupiter 1.50175334579408 1.50175283040878 1.50175386117945 3.07843175124354 2.88941123086342 2451211.437757335 0.43178586413192 53.9439939430715 18.3055245676579 77.36124475717 2427845.75904302 T 33 CATAB v2.0f-lin.ifort 2019-Dec-13 21:02:45 2019-Dec-13 21:02
2053-Mar-16 09:29 < 00:01 Jupiter 1.94124831577469 1.94124768790067 1.94124894364894 3.71890113745281 3.59966222074248 2470977.895106433 0.991515112119161 73.8242924027746 21.2580073694629 76.7849328195301 2907927.59737303 T 33 CATAB v2.0f-lin.ifort 2019-Dec-13 21:02:45 2019-Dec-13 21:02
2066-Dec-02 05:36 00:02 Jupiter 1.56664357747185 1.56664281079187 1.56664434415059 1.49423227677701 1.07303719476638 2475986.733635908 1.68403588838155 303.526917060416 83.2864662525186 13.7956452287059 1125356.52781796 T 33 CATAB v2.0f-lin.ifort 2019-Dec-13 21:02:45 2019-Dec-13 21:02
2080-Dec-02 06:28 00:02 Jupiter 1.31252610689015 1.31252559846972 1.31252661531029 1.98002673162698 1.62167523082221 2481100.769671369 1.98790050091172 206.79415361606 69.5230422055206 -69.2222645672547 1362508.07850234 T 33 CATAB v2.0f-lin.ifort 2019-Dec-13 21:02:45 2019-Dec-13 21:02
2094-Aug-18 21:22 00:02 Jupiter 1.66013484947495 1.66013347137108 1.66013622758261 3.47071577100871 3.32045807109078 2486108.390340217 2.33692156570233 152.118653699216 19.6126896942675 67.7669050932895 2795148.2537809 T 33 CATAB v2.0f-lin.ifort 2019-Dec-13 21:02:45 2019-Dec-13 21:02
2148-Sep-19 16:03 00:04 Jupiter 1.84506237334985 1.84506078934338 1.84506395736367 3.12882684610213 2.97849070563781 2505863.168694053 3.69231658981653 221.147356163382 21.8412972079058 77.7517250314253 2112775.37470024 T 33 CATAB v2.0f-lin.ifort 2019-Dec-13 21:02:45 2019-Dec-13 21:02
2162-Aug-15 04:44 00:05 Jupiter 1.45941672642829 1.45941499928626 1.45941845358105 0.909964744798588 n/a 2510940.696877012 5.20298218721882 247.523924258417 45.2575970975487 -72.4755234521907 4606252.37252355 F 33 CATAB v2.0f-lin.ifort 2019-Dec-13 21:02:45 2019-Dec-13 21:02
2176-Jun-18 01:55 00:05 Jupiter 1.33058844923606 1.33058715181255 1.33058974671161 2.53363248491771 2.26851025966483 2515996.580041394 4.59777373616179 475.082904938753 23.1252588994857 88.1363718801014 1855355.45255383 T 33 CATAB v2.0f-lin.ifort 2019-Dec-13 21:02:45 2019-Dec-13 21:02
2190-Mar-07 16:33 00:05 Jupiter 1.83952694909799 1.83952398949737 1.83952990870416 3.75437599547097 3.62965917235604 2521007.189814215 5.03351146898738 221.446495114706 21.3539265912306 52.9557985336198 2814796.75934069 T 33 CATAB v2.0f-lin.ifort 2019-Dec-13 21:02:45 2019-Dec-13 21:02

Alternate Designations
 1948 SB = 1925 DA = 1929 TF = 1931 BP = 1942 VS = 1950 BG = 1951 GZ 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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