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18999 (2000 RC60)
Classification: Main-belt Asteroid          SPK-ID: 2018999
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2045778785404709 4.3605e-08  
a 2.804430054129595 1.4227e-08 au
q 2.230705703140625 1.2401e-07 au
i 5.409509671454783 4.5647e-06 deg
node 68.71078399783413 4.5577e-05 deg
peri 336.6515161261761 4.6643e-05 deg
M 58.36831784641516 9.8138e-06 deg
tp 2458722.375003818115
(2019-Aug-26.87500382)
4.6008e-05 TDB
period 1715.39976342882
4.70
1.3053e-05
3.574e-08
d
yr
n .2098636176097025 1.597e-09 deg/d
Q 3.378154405118566 1.7137e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1200  
   data-arc span      9784 days (26.79 yr)  
   first obs. used      1993-04-19  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52619  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:39:26  

Additional Information
 Earth MOID = 1.24154 au 
 Jupiter MOID = 2.02196 au 
 T_jup = 3.286 
[ 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 14.3   n/a MPO358813  
diameter diameter 5.920 km 1.368 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.096   0.052 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

18999 (2000 RC60)          Discovered 2000-Sep-08 by Korlevic, K. at Visnjan
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 RC60 = 1998 HQ84 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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