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101111 (1998 RZ48)
Classification: Main-belt Asteroid          SPK-ID: 2101111
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2460991313946694 6.2891e-08  
a 2.720899456466841 1.3052e-08 au
q 2.051288463618123 1.7064e-07 au
i 2.806722873155242 6.7458e-06 deg
node 195.9820197540571 7.1113e-05 deg
peri 170.6846829653269 7.1466e-05 deg
M 338.8720185007031 7.8801e-06 deg
tp 2459296.710545013565
(2021-Mar-23.21054501)
3.63e-05 TDB
period 1639.332948395281
4.49
1.1796e-05
3.23e-08
d
yr
n .2196015155752215 1.5801e-09 deg/d
Q 3.390510449315558 1.6264e-08 au
  Orbit Determination Parameters
   # obs. used (total)      720  
   data-arc span      11280 days (30.88 yr)  
   first obs. used      1989-09-24  
   last obs. used      2020-08-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53133  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:35:15  

Additional Information
 Earth MOID = 1.04853 au 
 Jupiter MOID = 2.07592 au 
 T_jup = 3.312 
[ 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 15.44   n/a E2021B55  
diameter diameter 4.824 km 1.132 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.043   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101111 (1998 RZ48)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 RZ48 = 1989 SY8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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