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213 Lilaea (A880 DA)
Classification: Main-belt Asteroid          SPK-ID: 2000213
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 114 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1445830111823693 2.3349e-08  
a 2.753915578881268 7.9393e-09 au
q 2.355746171944577 6.2615e-08 au
i 6.801350056680321 3.0992e-07 deg
node 122.0281089234431 3.7636e-06 deg
peri 162.2992555791573 6.3881e-06 deg
M 184.774967316253 9.2438e-06 deg
tp 2460012.989973040681
(2023-Mar-09.48997304)
4.5058e-05 TDB
period 1669.261439503076
4.57
7.2185e-06
1.976e-08
d
yr
n .215664240172689 9.3262e-10 deg/d
Q 3.15208498581796 9.0872e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3469  
   data-arc span      51502 days (141.00 yr)  
   first obs. used      1880-03-11  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44055  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 10:29:49  

Additional Information
 Earth MOID = 1.33847 au 
 Jupiter MOID = 2.01058 au 
 T_jup = 3.319 
[ 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 8.97   n/a E2021B10 IRAS observations used: 5
diameter diameter 82.096 km 0.935 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 12.042 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2017) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Pilcher, F.; Franco, L.; Odden C.; Sydney, M.; et al. (2017) Minor Planet Bull. 44, 303.]
geometric albedo albedo 0.092   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.650   0.032 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=10.61, mean=12.33, max.=13.63) deg.
U-B UB 0.221   0.024 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=10.61, mean=12.33, max.=13.63) deg.
Tholen spectral type spec_T F   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices; used ground-based radiometric albedo
SMASSII spectral type spec_B B   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)

213 Lilaea (A880 DA)          Discovered 1880-Feb-16 by Peters, C. H. F. at Clinton
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A880 DA = 1950 TE3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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