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JPL Small-Body Database Browser
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414 Liriope (A896 BB)
Classification: Outer Main-belt Asteroid          SPK-ID: 2000414
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 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07271714472745566 3.6317e-08  
a 3.508306789967734 1.6631e-08 au
q 3.253192737373334 1.3037e-07 au
i 9.556995038028575 4.1644e-06 deg
node 110.5708221009081 2.467e-05 deg
peri 318.7155161598718 3.8029e-05 deg
M 30.87996727967922 2.8442e-05 deg
tp 2458794.617656255690
0.00018948 TDB
period 2400.185307085001
n .1499884192013558 1.0665e-09 deg/d
Q 3.763420842562133 1.7841e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3245  
   data-arc span      41078 days (112.47 yr)  
   first obs. used      1907-11-05  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43118  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:05:22  

Additional Information
 Earth MOID = 2.27584 au 
 Jupiter MOID = 1.46471 au 
 T_jup = 3.098 
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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 9.6   n/a MPO502156 IRAS observations used: 16
diameter diameter 88.760 km 2.169 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  
rotation period rot_per 7.353 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Alvarez, E.M. (2012) Minor Planet Bull. 39, 21-22.]
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.027   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  
B-V BV 0.750   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=11.47 deg.
U-B UB 0.384   0.029 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=11.47 deg.
Tholen spectral type spec_T C   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices; used ground-based radiometric albedo
SMASSII spectral type spec_B Cg   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)

414 Liriope (A896 BB)          Discovered 1896-Jan-16 by Charlois, A. at Nice
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 A896 BB = 1928 WE = 1931 MF = 1960 WV = A907 VP = A922 BA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
FirstGov 2020-May-24 22:48 UT
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