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2635 Huggins (1982 DS)
Classification: Main-belt Asteroid          SPK-ID: 2002635
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 .07917774147892535 3.3748e-08  
a 2.231177500493383 5.656e-09 au
q 2.054517905165723 7.4874e-08 au
i 4.16793771711304 3.274e-06 deg
node 276.9291107307864 5.0297e-05 deg
peri 271.1249280918138 5.492e-05 deg
M 155.4250459723864 2.3181e-05 deg
tp 2458474.945071303696
(2018-Dec-22.44507130)
7.7662e-05 TDB
period 1217.305570971383
3.33
4.6288e-06
1.267e-08
d
yr
n .2957351125179916 1.1245e-09 deg/d
Q 2.407837095821043 6.1039e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2759  
   data-arc span      31312 days (85.73 yr)  
   first obs. used      1935-02-02  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43169  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:07:29  

Additional Information
 Earth MOID = 1.06004 au 
 Jupiter MOID = 2.56843 au 
 T_jup = 3.634 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456943.5 (2014-Oct-13.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07894902655620331 3.3766e-08  
q 2.055343361697657 7.4933e-08 au
tp 2457257.154968320462
(2015-Aug-22.65496832)
7.6391e-05 TDB
node 276.9816257235913 5.0282e-05 deg
peri 271.1777930210741 5.4929e-05 deg
i 4.168461455626026 3.2746e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2759  
   data-arc span      31312 days (85.73 yr)  
   first obs. used      1935-02-02  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43169  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:07:29  

Additional Information
 Jupiter MOID = 2.56843 au 
 T_jup = 3.634 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.140149406373666E-15 -2.524215827994036E-15 5.087292300132875E-13 2.28315856326708E-15 1.535077183647371E-13 5.497473640784725E-16
q -2.524215827994036E-15 5.615011451272237E-15 -1.017893874919161E-12 -4.900766038345902E-15 -3.106043003190561E-13 -1.175351119569237E-15
tp 5.087292300132875E-13 -1.017893874919161E-12 5.835658512750961E-9 -6.737534441986939E-12 1.702676157748665E-9 1.356886071506712E-12
node 2.28315856326708E-15 -4.900766038345902E-15 -6.737534441986939E-12 2.528233593421802E-9 -2.522994886040745E-9 -2.347924656008643E-11
peri 1.535077183647371E-13 -3.106043003190561E-13 1.702676157748665E-9 -2.522994886040745E-9 3.017166408206847E-9 2.383166026117073E-11
i 5.497473640784725E-16 -1.175351119569237E-15 1.356886071506712E-12 -2.347924656008643E-11 2.383166026117073E-11 1.072307190961985E-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 12.7   n/a MPO337270  
diameter diameter 8.458 km 0.334 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 9.400 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Mazzone, F. (2012) www.astrosurf.com/salvador/Fotometria.html]
geometric albedo albedo 0.257   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
SMASSII spectral type spec_B S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

2635 Huggins (1982 DS)          Discovered 1982-Feb-21 by Bowell, E. at Flagstaff (AM)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1982 DS = 1935 CB = 1942 FM = 1952 FZ = 1952 HP = 1953 PW = 1953 RS = 1957 WS = 1970 RQ = 1975 AB1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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