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4029 Bridges (1982 KC1)
Classification: Main-belt Asteroid          SPK-ID: 2004029
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1312207134194459 2.3283e-08  
a 2.525861127267619 7.2178e-09 au
q 2.194415828149116 5.8483e-08 au
i 5.436654988425835 3.7989e-07 deg
node 214.7723722904927 3.2508e-06 deg
peri 16.39149714326996 5.4832e-06 deg
M 222.824631824337 5.6695e-06 deg
tp 2459759.209768219833
(2022-Jun-28.70976822)
2.4608e-05 TDB
period 1466.265549231633
4.01
6.2849e-06
1.721e-08
d
yr
n .2455216929761806 1.0524e-09 deg/d
Q 2.857306426386122 8.165e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3081  
   data-arc span      17126 days (46.89 yr)  
   first obs. used      1974-04-24  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43583  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:51:34  

Additional Information
 Earth MOID = 1.18337 au 
 Jupiter MOID = 2.12949 au 
 T_jup = 3.435 
[ 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 12.81   n/a E2021B10  
diameter diameter 7.433 km 0.122 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 3.5746 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2002) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Higgins, D.; Pravec, P.; Kusnirak, P.; Cooney, W.; Gross, J.; et al. (2006) CBET 507.]
[Higgins, D.; Oey, J.; Pravec, P. (2011) Minor Planet Bull. 38, 46-49.]
[Pravec, P.; Wolf, M.; Sarounova, L. (2011) http://www.asu.cas.cz/~ppravec/neo.htm]
[Pravec, P.; Scheirich, P.; Vokrouhlicky, D.; Harris, A.W.; et al. (2012) Icarus 218, 125-143. See also supplemental on-line material.]
geometric albedo albedo 0.265   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

4029 Bridges (1982 KC1)          Discovered 1982-May-24 by Shoemaker, C. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1982 KC1 = 1974 HS2 = 1975 TQ = 1978 AF = 1978 JJ2 = 1982 OX = 1986 JF 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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