Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
1054 Forsytia (1925 WD)
Classification: Main-belt Asteroid          SPK-ID: 2001054
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .133819011437723 3.2515e-08  
a 2.921521533705007 1.0898e-08 au
q 2.530566410170583 9.5335e-08 au
i 10.87179645949824 4.039e-06 deg
node 85.77268241693601 1.834e-05 deg
peri 295.5370048513993 2.3688e-05 deg
M .6979980959588463 1.4786e-05 deg
tp 2458996.963580296547
(2020-May-27.46358030)
7.4912e-05 TDB
period 1823.946369788255
4.99
1.0205e-05
2.794e-08
d
yr
n .1973742243538625 1.1044e-09 deg/d
Q 3.312476657239431 1.2356e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3184  
   data-arc span      41526 days (113.69 yr)  
   first obs. used      1907-03-07  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40403  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:58:00  

Additional Information
 Earth MOID = 1.55764 au 
 Jupiter MOID = 2.18483 au 
 T_jup = 3.240 
[ 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 10.4   n/a MPO400003  
diameter diameter 47.780 km 3.344 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 7.650 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Gross, J. (2003) Minor Planet Bull. 30, 44-46.]
geometric albedo albedo 0.035   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

1054 Forsytia (1925 WD)          Discovered 1925-Nov-20 by Reinmuth, K. 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
2088-Aug-17 21:30 < 00:01 Psych 0.0386202836872228 0.0386124356924867 0.0386281318210047 2.77048798924644 2.77048787616758 2483916.395607056 0.812933717170481 407.417895667868 30.5022625664104 -16.5503496150304 55534.2451005164 T 39 CATAB v2.0f-lin.ifort 2020-Dec-18 01:58:08 2020-Dec-18 01:58
2093-Aug-16 20:33 < 00:01 Psych 0.0310037841426391 0.0309956794191801 0.0310118891822283 2.7650077622827 2.7650076211453 2485741.355918971 0.821478338483673 432.628437007942 30.4397896334909 -21.2324656234967 55969.9701411328 T 39 CATAB v2.0f-lin.ifort 2020-Dec-18 01:58:08 2020-Dec-18 01:58
2098-Aug-15 09:57 < 00:01 Psych 0.0236103174630033 0.0236022985710626 0.0236183372326345 2.76395319232161 2.76395300691695 2487565.914683232 0.828507633854999 459.309317502011 30.5911690407493 -29.7273415172464 57529.9099374349 T 39 CATAB v2.0f-lin.ifort 2020-Dec-18 01:58:08 2020-Dec-18 01:58
2103-Aug-12 23:33 < 00:01 Psych 0.0176508475884681 0.0176436736646328 0.0176580239465753 2.76487109837862 2.76487085045796 2489388.481500477 0.838917801034589 484.538212881933 30.6248169534113 -42.6242570328926 58412.6395729859 T 39 CATAB v2.0f-lin.ifort 2020-Dec-18 01:58:08 2020-Dec-18 01:58
2108-Aug-08 20:09 < 00:01 Psych 0.0137413868037053 0.0137370178403577 0.0137457618377023 2.76567895845531 2.76567864009358 2491211.339336209 0.849343672570757 508.147609634614 30.7143585028597 -64.8664503650334 60499.4655959517 T 39 CATAB v2.0f-lin.ifort 2020-Dec-18 01:58:08 2020-Dec-18 01:58
2113-Aug-06 14:16 < 00:01 Psych 0.0117717598588279 0.0117701857597842 0.0117733418551405 2.76613851910007 2.76613814753244 2493035.094413499 0.882084198475029 528.512231547677 31.1080239737956 82.1432890605907 55972.0545220323 T 39 CATAB v2.0f-lin.ifort 2020-Dec-18 01:58:08 2020-Dec-18 01:58
2115-Oct-16 13:21 00:01 Psych 0.0402737572812414 0.0402611549790133 0.0402863598303202 3.33345259493834 3.33345250481511 2493836.056345492 1.45405533972597 647.035316584413 32.1530073754495 -14.0845573294556 46422.1260189463 T 39 CATAB v2.0f-lin.ifort 2020-Dec-18 01:58:08 2020-Dec-18 01:58
2118-Aug-06 02:51 < 00:01 Psych 0.0168726974644496 0.0168646886116333 0.0168807097810006 2.76121107296953 2.76121081327126 2494860.618781056 0.91609946283196 551.93297797713 30.9896702495236 43.8348643063321 56397.7042482349 T 39 CATAB v2.0f-lin.ifort 2020-Dec-18 01:58:08 2020-Dec-18 01:58
2120-Oct-15 02:38 00:01 Psych 0.0282573632134957 0.0282445236448747 0.0282702035628528 3.33521599512574 3.33521586674568 2495661.609950178 1.47147631875677 681.005090723403 32.1431020939204 -20.1403752894927 45593.7946661901 T 39 CATAB v2.0f-lin.ifort 2020-Dec-18 01:58:08 2020-Dec-18 01:58
2123-Aug-05 23:08 < 00:01 Psych 0.0273900824859251 0.0273795581796978 0.0274006076461798 2.75215165762932 2.75215149712472 2496686.464093899 0.973750763592888 576.678306018055 30.4681944097974 24.7548490613628 56571.1965518488 T 39 CATAB v2.0f-lin.ifort 2020-Dec-18 01:58:08 2020-Dec-18 01:58
2125-Oct-11 11:53 00:01 Psych 0.0172857828652951 0.0172731383575865 0.0172984301920093 3.34319557246368 3.34319536309952 2497483.995442229 1.44610965123546 719.595618137935 32.0371079184099 -28.9617627527706 39157.1732358926 T 39 CATAB v2.0f-lin.ifort 2020-Dec-18 01:58:08 2020-Dec-18 01:58
2128-Aug-02 20:02 00:01 Psych 0.034773574559625 0.0347621522033126 0.0347849973875662 2.75374131885651 2.75374119250493 2498510.334909716 1.01323147516463 603.311174099636 30.4840050189327 19.5747813477994 57635.2201945582 T 39 CATAB v2.0f-lin.ifort 2020-Dec-18 01:58:08 2020-Dec-18 01:58
2130-Oct-06 20:13 00:01 Psych 0.0101808903795481 0.0101726522812211 0.0101891440812269 3.34728150398952 3.34728114895123 2499305.342288025 1.47081082684921 751.730865935783 32.2517321893396 -56.9679295817485 39551.5929971207 T 39 CATAB v2.0f-lin.ifort 2020-Dec-18 01:58:08 2020-Dec-18 01:58
2133-Jul-31 03:54 00:01 Psych 0.0432897377465735 0.0432775802261047 0.0433018955574953 2.76323255143105 2.76323245028457 2500333.662825163 1.05113478185611 630.422782100332 30.9413591063317 16.3036998667042 59462.9471294744 T 39 CATAB v2.0f-lin.ifort 2020-Dec-18 01:58:08 2020-Dec-18 01:58
2135-Oct-02 15:50 00:01 Psych 0.00948146448750128 0.00947490061389896 0.00948804924063335 3.34245464050974 3.34245425873056 2501127.159478703 1.47644025535917 776.536272315232 32.1858756672271 65.1681465208365 39947.1096848786 T 39 CATAB v2.0f-lin.ifort 2020-Dec-18 01:58:08 2020-Dec-18 01:58
2140-Sep-30 04:51 00:01 Psych 0.0156054948400194 0.015592217739777 0.015618776929601 3.32676315429625 3.32676292124376 2502951.701808096 1.47418638240887 794.318685918251 31.6718942059554 33.6636626250341 40875.3174617101 T 39 CATAB v2.0f-lin.ifort 2020-Dec-18 01:58:08 2020-Dec-18 01:58
2145-Sep-30 03:47 00:01 Psych 0.0233123987683488 0.0232971062376465 0.0233276929299939 3.32920796759608 3.32920781170356 2504777.657985157 1.48308443521213 821.323710084666 31.679970220442 21.9941209805887 41358.3127447736 T 39 CATAB v2.0f-lin.ifort 2020-Dec-18 01:58:08 2020-Dec-18 01:58
2150-Oct-01 16:20 00:01 Psych 0.0390693740235021 0.0390524655680303 0.0390862828089891 3.3592246223015 3.3592245301128 2506605.180268562 1.43910915087576 860.936333650037 32.2889698299645 12.0111901584057 38197.6567235217 T 39 CATAB v2.0f-lin.ifort 2020-Dec-18 01:58:08 2020-Dec-18 01:58

Alternate Designations
 1925 WD = 1962 DD = A907 EA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-21 02:30 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin