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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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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1314469739254824 5.3199e-08  
a 2.525349734529883 7.8268e-09 au
q 2.19340015382241 1.3439e-07 au
i 5.437453370115015 5.2982e-06 deg
node 214.7769200319121 3.2926e-05 deg
peri 16.39741317294111 3.7802e-05 deg
M 173.7069722176757 1.7342e-05 deg
tp 2458293.213328091814
(2018-Jun-23.71332809)
6.9892e-05 TDB
period 1465.820275583834
4.01
6.8145e-06
1.866e-08
d
yr
n .2455962753391527 1.1418e-09 deg/d
Q 2.857299315237356 8.8556e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2715  
   data-arc span      16721 days (45.78 yr)  
   first obs. used      1974-04-24  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45062  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 17:02:27  

Additional Information
 Earth MOID = 1.18363 au 
 Jupiter MOID = 2.13067 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 12.8   n/a MPO259366  
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. 2019-August); 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

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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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