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JPL Small-Body Database Browser
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683 Lanzia (A909 OA)
Classification: Main-belt Asteroid          SPK-ID: 2000683
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 75 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05834284198189497 3.5639e-08  
a 3.112721564828343 1.3752e-08 au
q 2.931116542437926 1.1266e-07 au
i 18.53140623012636 4.8232e-06 deg
node 259.6605302092088 1.2842e-05 deg
peri 281.6205447156213 4.3774e-05 deg
M 171.946969360673 4.1671e-05 deg
tp 2458042.422009552526
(2017-Oct-15.92200955)
0.00023162 TDB
period 2005.897968679036
5.49
1.3293e-05
3.639e-08
d
yr
n .179470743587758 1.1894e-09 deg/d
Q 3.29432658721876 1.4555e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2634  
   data-arc span      38522 days (105.47 yr)  
   first obs. used      1914-06-27  
   last obs. used      2019-12-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43699  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:34:13  

Additional Information
 Earth MOID = 1.99004 au 
 Jupiter MOID = 1.89589 au 
 T_jup = 3.136 
[ 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 8.7   n/a MPO265959  
diameter diameter 83.04 km 22.2 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 8
rotation period rot_per 8.630 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Weidenschilling, S.J.; Chapman, C.R.; Davis, D.R.; Greenberg, R.; et al. (1990) Icarus 86, 402-447.]
[Behrend, R. (2004) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Stephens, R.D. (2004) Minor Planet Bull. 31, 4-6.]
[Oey, J. (2006) Minor Planet Bull. 33, 96-99.]
[Behrend, R. (2009) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Dunckel, P.B.; Stephens, R.D.; Oey, J.; Bernasconi, L.; Behrend, R. (2009) Minor Planet Bull. 36, 48-49.]
geometric albedo albedo 0.053   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
B-V BV 0.689   0.006 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=8.82, mean=8.87, max.=8.93) deg.
U-B UB 0.305   0.012 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=8.82, mean=8.87, max.=8.93) deg.

683 Lanzia (A909 OA)          Discovered 1909-Jul-23 by Wolf, M. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 A909 OA = 1954 TZ = A913 GC 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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