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JPL Small-Body Database Browser
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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 
[ 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 11.0   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

[ hide close-approach data ]
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
1971-Sep-30 08:58 < 00:01 Thisb 0.0493581614153397 0.0493572972753215 0.0493590255854557 6.95119357663519 6.95119355676252 2441224.873919567 0.380458658446752 180.962457464084 40.4272351068935 85.1549090215679 181990.069743698 T 30 CATAB v2.0f-lin.ifort 2019-Nov-07 02:13:10 2019-Nov-07 02:13

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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