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784 Pickeringia (A914 FC)
Classification: Main-belt Asteroid          SPK-ID: 2000784
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 49 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2421275000600914 1.8449e-08  
a 3.096115786529146 1.2045e-08 au
q 2.34646101124026 5.6064e-08 au
i 12.28225015150758 3.4498e-07 deg
node 14.91581583685761 1.1075e-06 deg
peri 238.0371586538578 4.1069e-06 deg
M 133.5315822375322 6.7394e-06 deg
tp 2458462.416134386489
(2018-Dec-09.91613439)
3.4511e-05 TDB
period 1989.867768871384
5.45
1.1612e-05
3.179e-08
d
yr
n .1809165441200072 1.0558e-09 deg/d
Q 3.845770561818032 1.4962e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3499  
   data-arc span      39063 days (106.95 yr)  
   first obs. used      1914-03-29  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42203  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 11:26:08  

Additional Information
 Earth MOID = 1.35882 au 
 Jupiter MOID = 1.3873 au 
 T_jup = 3.143 
[ 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 9.35   n/a E2021B10  
diameter diameter 75.596 km 0.311 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 13.144 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Hainaut-Rouelle, M.-C.; Hainaut, O.R.; Detal, A. (1995) Astron. Astrophys. Suppl. Ser. 112, 125-142.]
[Behrend, R. (2004) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Hanus, J.; Durech, J.; Broz, M.; Warner, B.D.; et al. (2011) Astron. Astrophys. 530, A134.]
[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.]
[Mas, V.; Fornas, G.; Lozano, J.; Rodrigo, O.; et al. (2018) Minor Planet Bull. 45, 76-82.]
geometric albedo albedo 0.086   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
SMASSII spectral type spec_B C   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)

784 Pickeringia (A914 FC)          Discovered 1914-Mar-20 by Metcalf, J. H. at Winchester
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
1907-Mar-20 19:15 00:03 Jupiter 1.8701887921027 1.87018676518062 1.87019081902486 0.897443118820657 n/a 2417655.302237208 3.20500366358923 102.805327880614 7.22042037038811 10.5551697884648 7576099.39143252 F 49 CATAB v2.0f-lin.ifort 2021-Apr-12 11:28:01 2021-Apr-12 11:28
1916-Dec-15 22:25 00:02 Jupiter 1.38721525826574 1.38721462673593 1.3872158898006 2.99410303939208 2.78270894105765 2421213.434149241 1.84065272866617 145.035250756802 6.76176800661071 81.3579776077486 14593108.9942553 T 49 CATAB v2.0f-lin.ifort 2021-Apr-12 11:28:01 2021-Apr-12 11:28
1978-Jun-01 09:33 00:01 Jupiter 1.84788896300715 1.84788824780084 1.84788967821347 0.877484075282182 n/a 2443660.897602913 1.06933290314432 36.7487703528591 8.95440263877938 14.3958887219009 10577099.7589643 F 49 CATAB v2.0f-lin.ifort 2021-Apr-12 11:28:01 2021-Apr-12 11:28
1988-Feb-14 04:25 < 00:01 Jupiter 1.40883448658337 1.40883427286656 1.40883470030067 2.95959403922688 2.74895481225734 2447205.684173852 0.491312544914938 54.7632494128615 5.83923691317187 83.6843811421055 16850813.3809769 T 49 CATAB v2.0f-lin.ifort 2021-Apr-12 11:28:01 2021-Apr-12 11:28
2049-Jun-30 21:38 < 00:01 Jupiter 1.78841503107834 1.78841455793238 1.78841550422437 0.625729561880207 n/a 2469623.401519245 0.987503223492557 31.2850470807205 8.8748344501165 43.2218677167428 21557197.7245649 F 49 CATAB v2.0f-lin.ifort 2021-Apr-12 11:28:01 2021-Apr-12 11:28
2059-Mar-18 20:10 < 00:01 Jupiter 1.44890941555117 1.44890898009635 1.44890985100846 2.98290690540939 2.78002649584838 2473171.340532029 0.887227661032431 103.352505973297 4.32719139186405 81.3026110413148 18167155.7908721 T 49 CATAB v2.0f-lin.ifort 2021-Apr-12 11:28:01 2021-Apr-12 11:28
2120-Jun-26 05:41 00:03 Jupiter 1.71080065930784 1.71079915075833 1.71080216785995 0.29610499676957 n/a 2495550.736849781 3.03452033663174 129.729364781768 4.82213276962761 -54.6147624982571 43270609.1332298 F 49 CATAB v2.0f-lin.ifort 2021-Apr-12 11:28:01 2021-Apr-12 11:28
2130-Mar-27 08:31 00:02 Jupiter 1.5125880348299 1.51258668834299 1.51258938138739 3.08917653656406 2.90224862729585 2499111.855166905 2.25674182632615 536.588910088591 1.55303484286454 84.4170086013046 23565286.8096148 T 49 CATAB v2.0f-lin.ifort 2021-Apr-12 11:28:01 2021-Apr-12 11:28
2191-Jun-03 15:00 00:05 Jupiter 1.62833127523917 1.62832920942793 1.6283333964183 0.430365774589186 n/a 2521460.125141417 4.54478221889731 15004.0626792229 6.68852200088725 -89.6021681175227 36408240.7863507 F 49 CATAB v2.0f-lin.ifort 2021-Apr-12 11:28:01 2021-Apr-12 11:28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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