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101101 (1998 RO41)
Classification: Main-belt Asteroid          SPK-ID: 2101101
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1798215845209167 3.6841e-08  
a 2.274877853850371 7.7941e-09 au
q 1.865805713579455 8.5132e-08 au
i 2.893492119385793 4.2284e-06 deg
node 202.1054705857169 8.2003e-05 deg
peri 117.6165249703886 8.2935e-05 deg
M 197.918703502486 1.2958e-05 deg
tp 2459764.742704295540
(2022-Jul-04.24270430)
4.6506e-05 TDB
period 1253.243760605714
3.43
6.4408e-06
1.763e-08
d
yr
n .2872545719485615 1.4763e-09 deg/d
Q 2.683949994121287 9.1957e-09 au
  Orbit Determination Parameters
   # obs. used (total)      500  
   data-arc span      10813 days (29.60 yr)  
   first obs. used      1991-08-05  
   last obs. used      2021-03-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56176  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:35:12  

Additional Information
 Earth MOID = .853142 au 
 Jupiter MOID = 2.62034 au 
 T_jup = 3.587 
[ 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 16.72   n/a E2021B55  
diameter diameter 2.275 km 0.581 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.048   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101101 (1998 RO41)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 RO41 = 1991 PB1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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