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2897 Ole Romer (1932 CK)
Classification: Main-belt Asteroid          SPK-ID: 2002897
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09984325277793583 2.9047e-08  
a 2.247318054674381 5.806e-09 au
q 2.022938510069107 6.374e-08 au
i 5.838463696244132 3.8436e-06 deg
node 48.31137048491582 2.8397e-05 deg
peri 100.93140216 3.4383e-05 deg
M 69.59053285597615 1.9271e-05 deg
tp 2458762.628232651612
(2019-Oct-06.12823265)
6.5698e-05 TDB
period 1230.538590969647
3.37
4.7687e-06
1.306e-08
d
yr
n .2925548232634663 1.1337e-09 deg/d
Q 2.471697599279654 6.3857e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2507  
   data-arc span      32325 days (88.50 yr)  
   first obs. used      1932-02-05  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42699  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:57:52  

Additional Information
 Earth MOID = 1.04328 au 
 Jupiter MOID = 2.52792 au 
 T_jup = 3.616 
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Orbital Elements at Epoch 2457019.5 (2014-Dec-28.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1000074615916895 2.9121e-08  
q 2.02280231227156 6.3945e-08 au
tp 2457532.799303989584
(2016-May-24.29930399)
6.4734e-05 TDB
node 48.33169982451666 2.8407e-05 deg
peri 101.14247839764 3.4344e-05 deg
i 5.837630014016357 3.8426e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2507  
   data-arc span      32325 days (88.50 yr)  
   first obs. used      1932-02-05  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42699  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:57:52  

Additional Information
 Jupiter MOID = 2.52792 au 
 T_jup = 3.616 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.480071247174251E-16 -1.856524359080798E-15 5.485555904487328E-13 -1.952050589288633E-15 1.48374691193764E-13 9.062877448059686E-17
q -1.856524359080798E-15 4.089011020187798E-15 -1.199280632116999E-12 3.686200094613787E-15 -3.266108955214127E-13 -1.423044975329336E-16
tp 5.485555904487328E-13 -1.199280632116999E-12 4.190554517521473E-9 -9.110174858089848E-12 1.254416342489207E-9 -1.961473057048963E-13
node -1.952050589288633E-15 3.686200094613787E-15 -9.110174858089848E-12 8.069697808039533E-10 -8.050432303207271E-10 -1.708670272558637E-11
peri 1.48374691193764E-13 -3.266108955214127E-13 1.254416342489207E-9 -8.050432303207271E-10 1.179478306575051E-9 1.693856766333477E-11
i 9.062877448059686E-17 -1.423044975329336E-16 -1.961473057048963E-13 -1.708670272558637E-11 1.693856766333477E-11 1.47658336392122E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.3   n/a MPO502181  
diameter diameter 5.231 km 0.113 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.6009 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2010) http://www.asu.cas.cz/~ppravec/neo.htm]
[Oey, J. (2011) Minor Planet Bull. 38, 221-223.]
[Pravec, P.; Wolf, M.; Sarounova, L. (2011) http://www.asu.cas.cz/~ppravec/neo.htm]
[Pravec, P.; Wolf, M.; Sarounova, L. (2013) http://www.asu.cas.cz/~ppravec/neo.htm]
[Oey, J. (2014) Minor Planet Bull. 41, 276-281.]
geometric albedo albedo 0.283   0.068 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2897 Ole Romer (1932 CK)          Discovered 1932-Feb-05 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1932 CK = 1949 FJ = 1971 UP4 = 1979 BA1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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