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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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1314469835259725 4.9565e-08  
a 2.525349734971663 7.7616e-09 au
q 2.193400129961524 1.2555e-07 au
i 5.437452544608891 5.1422e-06 deg
node 214.7769234707728 3.2109e-05 deg
peri 16.3974066147287 3.6473e-05 deg
M 173.7069746992442 1.6521e-05 deg
tp 2458293.213317801958
(2018-Jun-23.71331780)
6.6374e-05 TDB
period 1465.820275968475
4.01
6.7577e-06
1.85e-08
d
yr
n .2455962752747066 1.1322e-09 deg/d
Q 2.857299339981803 8.7818e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2856  
   data-arc span      17003 days (46.55 yr)  
   first obs. used      1974-04-24  
   last obs. used      2020-11-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44347  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:15:18  

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. 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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