Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05668658667843297 3.0263e-08  
a 2.561063790371713 9.7882e-09 au
q 2.415885825829811 8.0586e-08 au
i 15.48555785749278 5.3918e-06 deg
node 27.91550760711344 1.2154e-05 deg
peri 86.27635317154679 7.0217e-05 deg
M 58.48873586398087 6.5192e-05 deg
tp 2458757.280296402620
(2019-Sep-30.78029640)
0.00027155 TDB
period 1497.024888667125
4.10
8.5823e-06
2.35e-08
d
yr
n .2404769638269179 1.3786e-09 deg/d
Q 2.706241754913616 1.0343e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2952  
   data-arc span      31558 days (86.40 yr)  
   first obs. used      1934-03-07  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37218  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:46:21  

Additional Information
 Earth MOID = 1.48978 au 
 Jupiter MOID = 2.37316 au 
 T_jup = 3.382 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457003.5 (2014-Dec-12.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05617155257619556 3.1121e-08  
q 2.4171582822723 8.2949e-08 au
tp 2457265.053199131855
(2015-Aug-30.55319913)
0.00027517 TDB
node 27.95550824340163 1.2163e-05 deg
peri 87.53316495703912 7.0337e-05 deg
i 15.48016431683311 5.3899e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2952  
   data-arc span      31558 days (86.40 yr)  
   first obs. used      1934-03-07  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37218  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:46:21  

Additional Information
 Jupiter MOID = 2.37316 au 
 T_jup = 3.382 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.684999388056864E-16 -2.566636436678571E-15 3.800577021942496E-12 -5.339009272873759E-15 9.672724844877245E-13 -2.31609375515639E-15
q -2.566636436678571E-15 6.880529346375159E-15 -1.070442216945225E-11 1.520549210067458E-14 -2.727212136980572E-12 6.299258167424168E-15
tp 3.800577021942496E-12 -1.070442216945225E-11 7.57194568338316E-8 -8.606509120895865E-11 1.907000566210986E-8 -2.487582159364373E-11
node -5.339009272873759E-15 1.520549210067458E-14 -8.606509120895865E-11 1.479397496643869E-10 -1.637177006345235E-10 -1.706238063245301E-11
peri 9.672724844877245E-13 -2.727212136980572E-12 1.907000566210986E-8 -1.637177006345235E-10 4.947250972923853E-9 1.01656617871995E-11
i -2.31609375515639E-15 6.299258167424168E-15 -2.487582159364373E-11 -1.706238063245301E-11 1.01656617871995E-11 2.905064170172033E-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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-28 20:21 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin