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10321 Rampo (1990 UN2)
Classification: Main-belt Asteroid          SPK-ID: 2010321
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09473431407018897 3.8029e-08  
a 2.32919990956609 8.02e-09 au
q 2.108544753801 8.8703e-08 au
i 6.058778260089451 3.5526e-06 deg
node 53.92329640722914 3.6376e-05 deg
peri 278.9698890977233 4.0668e-05 deg
M 176.5750050705512 1.942e-05 deg
tp 2458363.652716925069
6.9487e-05 TDB
period 1298.400200047405
n .2772642826047442 1.432e-09 deg/d
Q 2.54985506533118 8.7798e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1823  
   data-arc span      10692 days (29.27 yr)  
   first obs. used      1990-10-26  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5006  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 19:39:40  

Additional Information
 Earth MOID = 1.10874 au 
 Jupiter MOID = 2.72546 au 
 T_jup = 3.559 
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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.3   n/a MPO452316  
diameter diameter 3.875 km 0.113 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  
rotation period rot_per 5.2282 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pravec, P.; Fatka, P.; Vokrouhlicky, D.; Scheeres, D.J.; et al. (2018) Icarus 304, 110-126.]
geometric albedo albedo 0.295   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  

10321 Rampo           Discovered 1990 Oct. 26 by T. Seki at Geisei.
Rampo Edogawa (Hirai Taro, 1894-1965), born in Nabari city, Mie prefecture, was a writer who specialized in Japan's mystery genre. He was popular with young readers, and one of his best-known novels is The Boy Detectives Club.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070106/MPCPages.arcLast Updated: 2007-01-09

Alternate Designations
 1990 UN2 = 1996 HU14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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