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101160 (1998 RW77)
Classification: Main-belt Asteroid          SPK-ID: 2101160
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1373111806390188 4.1381e-08  
a 2.570323808744837 1.236e-08 au
q 2.217389611941504 1.0373e-07 au
i 14.77041331556367 4.3154e-06 deg
node 172.5890928835985 1.9684e-05 deg
peri 151.3372082831362 2.8593e-05 deg
M 127.7603417272345 2.3309e-05 deg
tp 2458466.337065001962
(2018-Dec-13.83706500)
9.5472e-05 TDB
period 1505.151395179008
4.12
1.0857e-05
2.972e-08
d
yr
n .2391785976833148 1.7252e-09 deg/d
Q 2.92325800554817 1.4057e-08 au
  Orbit Determination Parameters
   # obs. used (total)      665  
   data-arc span      7839 days (21.46 yr)  
   first obs. used      1998-08-31  
   last obs. used      2020-02-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61058  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:02:05  

Additional Information
 Earth MOID = 1.2172 au 
 Jupiter MOID = 2.50474 au 
 T_jup = 3.371 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5   n/a MPO412742  
diameter diameter 1.816 km 0.417 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.338   0.182 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101160 (1998 RW77)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 RW77 = 2002 PN61 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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