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46897 (1998 RP55)
Classification: Main-belt Asteroid          SPK-ID: 2046897
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .005902561742663843 3.7392e-08  
a 2.557238718798202 1.1296e-08 au
q 2.542144459369765 9.8126e-08 au
i 4.694870572069844 4.0338e-06 deg
node 296.4064317391922 4.626e-05 deg
peri 14.88836589470087 0.00032989 deg
M 208.3984067296249 0.00032726 deg
tp 2459829.508622436706
(2022-Sep-07.00862244)
0.001359 TDB
period 1493.672323570916
4.09
9.8966e-06
2.71e-08
d
yr
n .2410167172002956 1.5969e-09 deg/d
Q 2.572332978226639 1.1362e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1119  
   data-arc span      8243 days (22.57 yr)  
   first obs. used      1998-08-28  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56662  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:40:37  

Additional Information
 Earth MOID = 1.52477 au 
 Jupiter MOID = 2.43098 au 
 T_jup = 3.432 
[ 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 14.96   n/a MPCxxxxx  
diameter diameter 3.080 km 0.644 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.245   0.128 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46897 (1998 RP55)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 RP55 = 2000 AL54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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