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1776 Kuiper (2520 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2001776
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 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01654953414912645 3.3377e-08  
a 3.102062715236053 1.3834e-08 au
q 3.050725022397522 1.0534e-07 au
i 9.484637953354248 4.1965e-06 deg
node 176.446918722292 2.1724e-05 deg
peri 312.8815152731946 0.00012495 deg
M 210.5590237117369 0.00012323 deg
tp 2459828.902656557032
(2022-Sep-06.40265656)
0.0006831 TDB
period 1995.603640766323
5.46
1.3349e-05
3.655e-08
d
yr
n .1803965440059821 1.2068e-09 deg/d
Q 3.153400408074584 1.4063e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2683  
   data-arc span      33027 days (90.42 yr)  
   first obs. used      1930-03-02  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46236  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:40:53  

Additional Information
 Earth MOID = 2.06827 au 
 Jupiter MOID = 1.82619 au 
 T_jup = 3.200 
[ 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 11.2   n/a MPO435713  
diameter diameter 39.952 km 0.432 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.033   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

1776 Kuiper (2520 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
 2520 P-L = 1930 EB = 1931 KK = 1938 SU = 1952 DQ2 = 1963 FJ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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