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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05689002473682241 3.3199e-08  
a 2.561652205101117 1.1208e-08 au
q 2.415919747785779 9.0047e-08 au
i 15.48527348740657 6.5726e-06 deg
node 27.92587451963957 1.2451e-05 deg
peri 86.45969230120662 7.3428e-05 deg
M 322.1372362807251 6.9415e-05 deg
tp 2458758.002874911072
(2019-Oct-01.50287491)
0.00028864 TDB
period 1497.540839553684
4.10
9.8284e-06
2.691e-08
d
yr
n .2403941117941677 1.5777e-09 deg/d
Q 2.707384662416456 1.1846e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2353  
   data-arc span      31281 days (85.64 yr)  
   first obs. used      1934-03-07  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41321  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 02:12:58  

Additional Information
 Earth MOID = 1.49005 au 
 Jupiter MOID = 2.37333 au 
 T_jup = 3.381 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456541.5 (2013-Sep-06.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05598012107434006 3.3668e-08  
q 2.418466963785253 9.1281e-08 au
tp 2457264.040783469815
(2015-Aug-29.54078347)
0.00029348 TDB
node 27.96402191132467 1.2463e-05 deg
peri 87.2213384769816 7.422e-05 deg
i 15.47795271060108 6.5693e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2353  
   data-arc span      31281 days (85.64 yr)  
   first obs. used      1934-03-07  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41321  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 02:12:58  

Additional Information
 Jupiter MOID = 2.37333 au 
 T_jup = 3.381 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.133557057907831E-15 -3.056292848563059E-15 2.579748348605546E-12 -3.8412335451012E-15 6.889932125658884E-13 -4.623207450225939E-16
q -3.056292848563059E-15 8.332302246008996E-15 -7.118967170555765E-12 1.084247287390556E-14 -1.910395947841451E-12 1.283151533897086E-15
tp 2.579748348605546E-12 -7.118967170555765E-12 8.612766105825832E-8 -1.062197458854817E-10 2.147174299282261E-8 -3.884520672423466E-12
node -3.8412335451012E-15 1.084247287390556E-14 -1.062197458854817E-10 1.553291746375473E-10 -1.755540131069075E-10 -9.388476782709921E-12
peri 6.889932125658884E-13 -1.910395947841451E-12 2.147174299282261E-8 -1.755540131069075E-10 5.508667476346473E-9 8.00215316042147E-12
i -4.623207450225939E-16 1.283151533897086E-15 -3.884520672423466E-12 -9.388476782709921E-12 8.00215316042147E-12 4.315536330734844E-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-January); 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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