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756 Lilliana (A908 HD)
Classification: Main-belt Asteroid          SPK-ID: 2000756
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 51 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1484988756242525 3.1917e-08  
a 3.194678460973284 1.2511e-08 au
q 2.720272301537734 1.0057e-07 au
i 20.35463716561325 3.7448e-06 deg
node 208.0670283806592 8.2743e-06 deg
peri 4.490794229458624 1.3051e-05 deg
M 163.4583762472 1.1176e-05 deg
tp 2458053.513392700172
(2017-Oct-27.01339270)
6.356e-05 TDB
period 2085.639087178795
5.71
1.2252e-05
3.354e-08
d
yr
n .1726089629855208 1.0139e-09 deg/d
Q 3.669084620408833 1.4369e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2869  
   data-arc span      40980 days (112.20 yr)  
   first obs. used      1908-05-24  
   last obs. used      2020-08-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .416  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:21:32  

Additional Information
 Earth MOID = 1.71531 au 
 Jupiter MOID = 1.29692 au 
 T_jup = 3.082 
[ 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 9.9   n/a MPO302062  
diameter diameter 64.837 km 0.499 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 7.834 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Behrend, R. (2001) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2002) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Pilcher, F. (2012) Minor Planet Bull. 39, 220-222.]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.]
[Behrend, R. (2018) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.057   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

756 Lilliana (A908 HD)          Discovered 1908-Apr-26 by Metcalf, J. H. at Taunton
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1905-Aug-28 04:23 00:03 Jupiter 1.65604863455817 1.65604490222291 1.65605236692355 5.12589273655913 5.02512013153221 2417085.682866080 3.13268356146329 407.140751319457 36.9458766431537 63.1353230986123 6061729.42923221 T 51 CATAB v2.0f-lin.ifort 2020-Aug-24 22:21:57 2020-Aug-24 22:22
1917-Jan-25 08:53 00:02 Jupiter 1.41629998704617 1.416298525205 1.41630144893235 5.18744705224562 5.0708481376994 2421253.870426756 1.97193625248347 422.419090190574 18.5870134852615 80.4202218716269 5753223.38574057 T 51 CATAB v2.0f-lin.ifort 2020-Aug-24 22:21:57 2020-Aug-24 22:22
1928-Jul-29 13:54 00:01 Jupiter 1.35316667449722 1.35316639120513 1.35316695778945 5.18226210975157 5.06003250904395 2425457.078891904 1.31054868289052 334.115611161506 14.0657145655375 -89.7960855281292 5287466.69873564 T 51 CATAB v2.0f-lin.ifort 2020-Aug-24 22:21:57 2020-Aug-24 22:22
1940-Jan-29 17:54 00:01 Jupiter 1.44835228170469 1.44835146685177 1.44835309657005 5.14646758177082 5.03154971427642 2429658.245842495 1.0363854678416 240.00497164689 17.333749531821 -81.0792720761153 4927794.54863498 T 51 CATAB v2.0f-lin.ifort 2020-Aug-24 22:21:57 2020-Aug-24 22:22
1951-Jun-17 16:53 00:01 Jupiter 1.72443176154497 1.72443055961977 1.7244329634734 4.95194858710064 4.85174361540196 2433815.203549966 1.02659327446829 150.097208000245 32.2654849048808 -69.3645976558546 4636310.34332783 T 51 CATAB v2.0f-lin.ifort 2020-Aug-24 22:21:57 2020-Aug-24 22:22
2095-Jul-18 04:59 00:01 Jupiter 1.68766674026401 1.68766523168209 1.68766824884988 5.0365777578848 4.93592302983388 2486441.707445625 1.26613487611569 166.921358018723 37.4216419307813 65.9632608906602 5043380.31232158 T 51 CATAB v2.0f-lin.ifort 2020-Aug-24 22:21:57 2020-Aug-24 22:22
2106-Dec-13 13:34 00:01 Jupiter 1.42866395222104 1.42866306772405 1.42866483673183 5.16737073046815 5.05133304596069 2490607.065481616 1.24570180627411 255.374918431585 20.1736574288994 81.0609235016727 5194023.63838316 T 51 CATAB v2.0f-lin.ifort 2020-Aug-24 22:21:57 2020-Aug-24 22:22
2118-Jun-15 11:34 00:02 Jupiter 1.35240775444546 1.35240743595961 1.35240807294146 5.18924072234269 5.06711013965868 2494808.982017437 1.54044770775264 375.141070628885 13.7129943753584 -88.8230928721468 5268119.66597865 T 51 CATAB v2.0f-lin.ifort 2020-Aug-24 22:21:57 2020-Aug-24 22:22
2129-Dec-12 18:57 00:02 Jupiter 1.43210522698244 1.4321033336171 1.43210712042008 5.17901260684643 5.06352309802584 2499007.289754463 2.30323482619545 527.238700279051 14.0026883449169 -79.8032954785978 5378092.35114128 T 51 CATAB v2.0f-lin.ifort 2020-Aug-24 22:21:57 2020-Aug-24 22:22
2141-Apr-27 01:24 00:04 Jupiter 1.70767348684249 1.70766901180268 1.70767796193006 5.05269002918597 4.9535499640082 2503160.558637323 3.72714853778055 509.851850596003 28.1916944274386 -63.9629740597653 5774271.92778131 T 51 CATAB v2.0f-lin.ifort 2020-Aug-24 22:21:57 2020-Aug-24 22:22

Alternate Designations
 A908 HD = 1949 HJ1 = 1966 FE 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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