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4373 Crespo (1985 PB)
Classification: Main-belt Asteroid          SPK-ID: 2004373
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1759883615410158 1.2581e-08  
a 2.230983872731668 4.9813e-09 au
q 1.838356676345192 2.8088e-08 au
i 4.960585796433275 4.7581e-07 deg
node 154.3729440764906 7.6449e-06 deg
peri 240.4617893415217 9.1542e-06 deg
M 164.8906715756912 3.9647e-06 deg
tp 2458643.010542173945
(2019-Jun-08.51054217)
1.2774e-05 TDB
period 1217.147112687042
3.33
4.0764e-06
1.116e-08
d
yr
n .2957736137624677 9.9059e-10 deg/d
Q 2.623611069118144 5.8579e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2543  
   data-arc span      16635 days (45.54 yr)  
   first obs. used      1975-09-03  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45576  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:35:20  

Additional Information
 Earth MOID = .849381 au 
 Jupiter MOID = 2.81132 au 
 T_jup = 3.617 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.53   n/a MPCxxxxx  
diameter diameter 5.018 km 0.178 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.336   0.056 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4373 Crespo (1985 PB)          Discovered 1985-Aug-14 by Bowell, E. at Flagstaff
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1985 PB = 1975 RR = 1989 YL 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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