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JPL Small-Body Database Browser
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2987 Sarabhai (4583 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2002987
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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0673153184624312 3.4193e-08  
a 2.886148133984717 1.2645e-08 au
q 2.691866153215784 9.9364e-08 au
i 1.020553319267587 4.4682e-06 deg
node 167.4028438481573 0.00019347 deg
peri 335.8559505231232 0.00019625 deg
M 285.950069880189 3.4151e-05 deg
tp 2459368.882088643457
(2021-Jun-03.38208864)
0.00017083 TDB
period 1790.920689554636
4.90
1.177e-05
3.222e-08
d
yr
n .2010139265795876 1.3211e-09 deg/d
Q 3.080430114753649 1.3497e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2439  
   data-arc span      24925 days (68.24 yr)  
   first obs. used      1951-11-08  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4834  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:35:49  

Additional Information
 Earth MOID = 1.70424 au 
 Jupiter MOID = 1.91703 au 
 T_jup = 3.289 
[ 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 12.4   n/a MPO502181  
diameter diameter 17.97 km 1.7 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2
geometric albedo albedo 0.0791   0.017 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2

2987 Sarabhai (4583 P-L)          Discovered 1960-Sep-24 by PLS at Palomar
These planets have all been discovered as a result of the Palomar survey of faint minor planets and subsequently identified with planets observed at other oppositions. In Sept. and Oct. 1960, T. Gehrels exposed 130 plates with the 122 cm Schmidt camera at Palomar. In the following years C. J. van Houten and I. van Houten-Groeneveld measured these plates astrometrically and photometrically at Leiden. P. Herget, Cincinnati, computed the orbits of the planets found on the NORC computer, Dahlgren, Virginia, USA.
Note: "planet" implies "minor planet"
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 4583 P-L = 1978 JY1 = 1980 UB1 = 1982 CB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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