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JPL Small-Body Database Browser
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292 Ludovica
Classification: Main-belt Asteroid          SPK-ID: 2000292
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03326365905629881 4.4047e-08  
a 2.529295836918883 8.7384e-09 au
q 2.445162202547098 1.122e-07 au
i 14.88704029004457 4.8106e-06 deg
node 43.49066007062434 1.7809e-05 deg
peri 285.3849188832609 7.4554e-05 deg
M 11.35602236412021 7.3428e-05 deg
tp 2458954.153002012661
(2020-Apr-14.65300201)
0.00029963 TDB
period 1469.257345614149
4.02
7.6142e-06
2.085e-08
d
yr
n .2450217459008314 1.2698e-09 deg/d
Q 2.613429471290669 9.0291e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2920  
   data-arc span      46773 days (128.06 yr)  
   first obs. used      1891-08-28  
   last obs. used      2019-09-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .35186  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:23:28  

Additional Information
 Earth MOID = 1.48036 au 
 Jupiter MOID = 2.47913 au 
 T_jup = 3.404 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455989.5 (2012-Mar-03.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03251797559417183 4.3823e-08  
q 2.44657056518614 1.1151e-07 au
tp 2456017.380735585942
(2012-Mar-30.88073559)
0.00030595 TDB
node 43.61193918713301 1.7762e-05 deg
peri 285.9745339977492 7.6626e-05 deg
i 14.91042950576178 4.8165e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2920  
   data-arc span      46773 days (128.06 yr)  
   first obs. used      1891-08-28  
   last obs. used      2019-09-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .35186  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:23:28  

Additional Information
 Jupiter MOID = 2.47913 au 
 T_jup = 3.404 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.920496099199595E-15 -4.873019564700055E-15 2.008201027224965E-12 -6.981945834664941E-15 4.629833383007357E-13 6.793059845176007E-15
q -4.873019564700055E-15 1.24342882699875E-14 -4.700153905519751E-12 1.524561588332245E-14 -1.079219222827147E-12 -1.664252133294837E-14
tp 2.008201027224965E-12 -4.700153905519751E-12 9.360521961792023E-8 -1.156597656408194E-10 2.282615978787336E-8 3.399749506688623E-12
node -6.981945834664941E-15 1.524561588332245E-14 -1.156597656408194E-10 3.155011682490389E-10 -3.322222507779543E-10 -9.88387312633188E-12
peri 4.629833383007357E-13 -1.079219222827147E-12 2.282615978787336E-8 -3.322222507779543E-10 5.871489179952372E-9 1.027926207158213E-11
i 6.793059845176007E-15 -1.664252133294837E-14 3.399749506688623E-12 -9.88387312633188E-12 1.027926207158213E-11 2.319881593914684E-11

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 MPO435697  
diameter diameter 30.864 km 0.089 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 8.93 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Binzel, R.P. (1987) Icarus 72, 135-208.]
[Durech, J. (2006) IAU 2006, poster paper.]
[Ruthroff, J.C. (2010) Minor Planet Bull. 37, 158-159.]
[Hanus, J.; Durech, J.; Broz, M.; Warner, B.D.; et al. (2011) Astron. Astrophys. 530, A134.]
[Behrend, R. (2014) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Behrend, R. (2018) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.187   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.860   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=1.14 deg.
U-B UB 0.440   0.030 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=1.14 deg.

292 Ludovica          Discovered 1890-Apr-25 by Palisa, J. at Vienna
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1930 GM 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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