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2151 Hadwiger (1977 VX)
Classification: Main-belt Asteroid          SPK-ID: 2002151
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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05668658618373395 3.0331e-08  
a 2.56106379053033 9.8082e-09 au
q 2.415885827246392 8.0794e-08 au
i 15.48555782659658 5.3931e-06 deg
node 27.91550750774907 1.2168e-05 deg
peri 86.27635291297926 7.025e-05 deg
M 58.48873612530774 6.5209e-05 deg
tp 2458757.280295293322
(2019-Sep-30.78029529)
0.00027163 TDB
period 1497.0248888062
4.10
8.5998e-06
2.354e-08
d
yr
n .2404769638045774 1.3814e-09 deg/d
Q 2.706241753814267 1.0364e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2929  
   data-arc span      31514 days (86.28 yr)  
   first obs. used      1934-03-07  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37333  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:41:26  

Additional Information
 Earth MOID = 1.48978 au 
 Jupiter MOID = 2.37316 au 
 T_jup = 3.382 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456991.5 (2014-Nov-30.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05616878167477702 3.1189e-08  
q 2.417171534899849 8.3154e-08 au
tp 2457265.038806790444
(2015-Aug-30.53880679)
0.00027527 TDB
node 27.95548812471812 1.2177e-05 deg
peri 87.52901487761504 7.0372e-05 deg
i 15.48014697482752 5.3911e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2929  
   data-arc span      31514 days (86.28 yr)  
   first obs. used      1934-03-07  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37333  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:41:26  

Additional Information
 Jupiter MOID = 2.37316 au 
 T_jup = 3.382 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.727428363137433E-16 -2.578661649059297E-15 3.812448927275857E-12 -5.487727834365028E-15 9.707596243613033E-13 -2.350127347869747E-15
q -2.578661649059297E-15 6.914635265145695E-15 -1.073806870003189E-11 1.561225117439279E-14 -2.737092080261918E-12 6.397211146882073E-15
tp 3.812448927275857E-12 -1.073806870003189E-11 7.577321064154661E-8 -8.770249887516275E-11 1.90859828813855E-8 -2.521637434889354E-11
node -5.487727834365028E-15 1.561225117439279E-14 -8.770249887516275E-11 1.482838282314547E-10 -1.644630997921009E-10 -1.699676264038297E-11
peri 9.707596243613033E-13 -2.737092080261918E-12 1.90859828813855E-8 -1.644630997921009E-10 4.952242934700534E-9 1.001583783587122E-11
i -2.350127347869747E-15 6.397211146882073E-15 -2.521637434889354E-11 -1.699676264038297E-11 1.001583783587122E-11 2.906406665150488E-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 11.0   n/a MPO452191  
diameter diameter 13.767 km 0.540 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 5.872 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Sada, P.V.; Canizales, E.D.; Armada, E.M. (2005) Minor Planet Bull. 32, 73-75.]
[Kim, M.-J.; Choi, Y.-J.; Moon, H.-K.; Byun, Y.-I.; et al. (2014) Astron. J. 147, A56.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.446   0.058 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
Tholen spectral type spec_T CSU   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices

2151 Hadwiger (1977 VX)          Discovered 1977-Nov-03 by Wild, P. at Zimmerwald
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1977 VX = 1932 UC = 1940 SB = 1963 FF = 1969 UU2 = 1973 SQ6 = 1975 EA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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