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1003 Lilofee (A923 RV)
Classification: Main-belt Asteroid          SPK-ID: 2001003
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1597621998111228 3.0955e-08  
a 3.14067258313198 1.2013e-08 au
q 2.638911822364334 9.7655e-08 au
i 1.840287078073316 3.9721e-06 deg
node 139.4372777539981 0.00011241 deg
peri 317.0652123552181 0.00011314 deg
M 64.13335119871068 1.2334e-05 deg
tp 2458838.328847566925
(2019-Dec-20.82884757)
6.9243e-05 TDB
period 2032.97679661137
5.57
1.1664e-05
3.193e-08
d
yr
n .177080230625386 1.016e-09 deg/d
Q 3.642433343899627 1.3932e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3116  
   data-arc span      35560 days (97.36 yr)  
   first obs. used      1923-09-13  
   last obs. used      2021-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44667  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:51:39  

Additional Information
 Earth MOID = 1.65589 au 
 Jupiter MOID = 1.53562 au 
 T_jup = 3.190 
[ 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 10.82   n/a E2021B10  
diameter diameter 33.678 km 0.334 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 8.255 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2004) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2009) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Hanus, J.; Broz, M.; Durech, J.; Warner, B.D.; et al. (2013) Astron. Astrophys. 559, A134.]
[Stephens, R.D. (2014) Minor Planet Bull. 41, 92-95.]
[Behrend, R. (2015) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
geometric albedo albedo 0.130   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

1003 Lilofee (A923 RV)          Discovered 1923-Sep-13 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A923 RV = 1937 FB = 1940 TA = 1951 QO = 1951 RA2 = 1957 WD2 = 1962 QH = A915 HB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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