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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 ]

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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05661011038337265 2.9938e-08  
a 2.560708200552932 9.6482e-09 au
q 2.415746226660023 7.9566e-08 au
i 15.48654439198402 5.3744e-06 deg
node 27.91458830348874 1.2094e-05 deg
peri 86.1440919494146 6.9166e-05 deg
M 106.7297565059867 6.418e-05 deg
tp 2458756.767147972960
(2019-Sep-30.26714797)
0.0002676 TDB
period 1496.713118808382
4.10
8.459e-06
2.316e-08
d
yr
n .2405270559040843 1.3594e-09 deg/d
Q 2.705670174445841 1.0194e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2994  
   data-arc span      31772 days (86.99 yr)  
   first obs. used      1934-03-07  
   last obs. used      2021-03-02  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .37018  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 13:24:28  

Additional Information
 Earth MOID = 1.48926 au 
 Jupiter MOID = 2.37285 au 
 T_jup = 3.382 
[ 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 11.07   n/a E2021B10  
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. 2020-October); 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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