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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1373546445621814 4.0318e-08  
a 2.570376126892852 1.2315e-08 au
q 2.217323027592368 1.0117e-07 au
i 14.77167309084945 4.1531e-06 deg
node 172.5824834853978 1.7363e-05 deg
peri 151.3916619524701 2.5906e-05 deg
M 175.531570955943 2.2558e-05 deg
tp 2458466.584290066451
(2018-Dec-14.08429007)
9.1287e-05 TDB
period 1505.197350751177
4.12
1.0817e-05
2.962e-08
d
yr
n .2391712952592829 1.7188e-09 deg/d
Q 2.923429226193336 1.4006e-08 au
  Orbit Determination Parameters
   # obs. used (total)      696  
   data-arc span      8223 days (22.51 yr)  
   first obs. used      1998-08-31  
   last obs. used      2021-03-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60762  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:35:29  

Additional Information
 Earth MOID = 1.21524 au 
 Jupiter MOID = 2.50487 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 15.58   n/a E2021B55  
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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