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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1797575632415635 3.6994e-08  
a 2.274949475763031 7.7839e-09 au
q 1.866010101502196 8.5453e-08 au
i 2.89332933000611 4.2459e-06 deg
node 202.1158964833439 8.2603e-05 deg
peri 117.5739563083574 8.355e-05 deg
M 140.5160095816463 1.2898e-05 deg
tp 2458511.307975455128
(2019-Jan-27.80797546)
4.3873e-05 TDB
period 1253.302946479037
3.43
6.4324e-06
1.761e-08
d
yr
n .2872410066627266 1.4742e-09 deg/d
Q 2.683888850023866 9.1831e-09 au
  Orbit Determination Parameters
   # obs. used (total)      490  
   data-arc span      10420 days (28.53 yr)  
   first obs. used      1991-08-05  
   last obs. used      2020-02-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56526  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:02:24  

Additional Information
 Earth MOID = .855306 au 
 Jupiter MOID = 2.62056 au 
 T_jup = 3.586 
[ 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 16.6   n/a MPO453464  
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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