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1092 Lilium (A924 AE)
Classification: Main-belt Asteroid          SPK-ID: 2001092
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 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08529351412570588 3.0201e-08  
a 2.901272548085967 1.0341e-08 au
q 2.653812817023274 8.9405e-08 au
i 5.393223436246187 3.8745e-06 deg
node 307.4345497868258 3.4565e-05 deg
peri 315.6524213949245 4.118e-05 deg
M 41.01187793444515 2.2166e-05 deg
tp 2458794.869100497240
(2019-Nov-07.36910050)
0.00011113 TDB
period 1805.016681735991
4.94
9.65e-06
2.642e-08
d
yr
n .199444140124936 1.0663e-09 deg/d
Q 3.14873227914866 1.1223e-08 au
  Orbit Determination Parameters
   # obs. used (total)      4208  
   data-arc span      41643 days (114.01 yr)  
   first obs. used      1906-07-29  
   last obs. used      2020-08-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37637  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:28:09  

Additional Information
 Earth MOID = 1.6414 au 
 Jupiter MOID = 1.94484 au 
 T_jup = 3.275 
[ 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 10.8   n/a MPO492763 IRAS observations used: 11
diameter diameter 40.276 km 0.243 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 24.60 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2008) Minor Planet Bull. 35, 95-98.]
geometric albedo albedo 0.044   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.840   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=5.16 deg.
U-B UB 0.330   0.030 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=5.16 deg.

1092 Lilium (A924 AE)          Discovered 1924-Jan-12 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 A924 AE = 1929 BE = 1936 QE 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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