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344 Desiderata (A892 WA)
Classification: Main-belt Asteroid          SPK-ID: 2000344
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 95 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3137570981221577 3.5874e-08  
a 2.596198139277361 8.4586e-09 au
q 1.781622544947551 9.2283e-08 au
i 18.34638716448424 4.3716e-06 deg
node 48.02180756147752 9.1626e-06 deg
peri 237.6166144246647 1.2007e-05 deg
M 317.7549570124664 1.0855e-05 deg
tp 2459379.799233908353
(2021-Jun-14.29923391)
4.6767e-05 TDB
period 1527.936052190902
4.18
7.4672e-06
2.044e-08
d
yr
n .2356119547567435 1.1515e-09 deg/d
Q 3.410773733607171 1.1113e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2756  
   data-arc span      46813 days (128.17 yr)  
   first obs. used      1892-11-20  
   last obs. used      2021-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44754  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:45:48  

Additional Information
 Earth MOID = .830609 au 
 Jupiter MOID = 1.9632 au 
 T_jup = 3.277 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455382.5 (2010-Jul-05.0) TDB
Reference: JPL 95 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3161924072952771 3.5934e-08  
q 1.773587331606753 9.2574e-08 au
tp 2454796.301560774657
(2008-Nov-25.80156077)
3.124e-05 TDB
node 48.21584828290498 9.1677e-06 deg
peri 237.3882448564974 1.1941e-05 deg
i 18.35510747523627 4.3728e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2756  
   data-arc span      46813 days (128.17 yr)  
   first obs. used      1892-11-20  
   last obs. used      2021-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44754  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:45:48  

Additional Information
 Jupiter MOID = 1.9632 au 
 T_jup = 3.277 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.291216991944506E-15 -3.320357759912028E-15 -4.47693674254683E-13 1.200354531534606E-14 -6.13455994328395E-14 -1.26979490912956E-15
q -3.320357759912028E-15 8.569905019784412E-15 1.248237212076121E-12 -3.090106383655129E-14 1.795853212097445E-13 4.274612820224288E-15
tp -4.47693674254683E-13 1.248237212076121E-12 9.759680022680005E-10 -1.0857143979401E-11 2.400946107543502E-10 6.28654590772832E-12
node 1.200354531534606E-14 -3.090106383655129E-14 -1.0857143979401E-11 8.404669644788307E-11 -8.145806647384252E-11 1.136092023019928E-12
peri -6.13455994328395E-14 1.795853212097445E-13 2.400946107543502E-10 -8.145806647384252E-11 1.425774591141924E-10 4.06441464408744E-13
i -1.26979490912956E-15 4.274612820224288E-15 6.28654590772832E-12 1.136092023019928E-12 4.06441464408744E-13 1.912140778520479E-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 8.35   n/a E2021B10 IRAS observations used: 25
diameter diameter 124.181 km 2.516 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 10.747 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Barucci, M.A.; Fulchignoni, M.; Burchi, R.; D'Ambrosio, V. (1985) Icarus 61, 152-162.]
[Cunningham, C.J. (1986) in Asteroids, Comets, Meteors II. C.-I. Lagerkvist, B.A. Lindblad, M. Lundstedt, H. Rickman, eds. Uppsala, pp. 85-87.]
[Harris, A.W.; Young, J.W. (1989) Icarus 81, 314-364.]
[Piironen, J.; Bowell, E.; Erikson, A.; Magnusson, P. (1994) Astron. Astrophys. Suppl. Ser. 106, 587-595.]
[Behrend, R. (2004) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2012) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Warner, B.D. (2016) Minor Planet Bull. 43, 227-233.]
geometric albedo albedo 0.067   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.725   0.017 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=4; phase (min.=5.29, mean=11.93, max.=23.90) deg.
U-B UB 0.382   0.029 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=4; phase (min.=5.29, mean=11.93, max.=23.90) deg.
Tholen spectral type spec_T C   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices

344 Desiderata (A892 WA)          Discovered 1892-Nov-15 by Charlois, A. at Nice
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
1989-Sep-14 05:09 < 00:01 Jupiter 1.96394125842358 1.96394082285204 1.96394169399814 3.76876892119682 3.65253952692436 2447783.714807264 0.351432898575954 452.112090845339 17.7174897660634 -88.8788645427331 2677852.80753347 T 95 CATAB v2.0f-lin.ifort 2021-Feb-24 00:45:55 2021-Feb-24 00:45
2060-Aug-30 05:56 < 00:01 Jupiter 1.94561007451095 1.94560964790158 1.94561050112397 3.97187408708832 3.86071011099111 2473701.747348296 0.656345025196987 356.825486127986 16.9945963624875 -88.2954657223288 2810833.01520049 T 95 CATAB v2.0f-lin.ifort 2021-Feb-24 00:45:55 2021-Feb-24 00:45
2131-Aug-18 02:20 00:02 Jupiter 1.95453563594562 1.95453524350525 1.95453602838999 4.16680154036725 4.06146648502589 2499620.597540997 1.57441112415837 335.054513610689 13.9902901418142 -88.2018768183892 2381296.17310003 T 95 CATAB v2.0f-lin.ifort 2021-Feb-24 00:45:55 2021-Feb-24 00:45
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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