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102077 (1999 RL146)
Classification: Main-belt Asteroid          SPK-ID: 2102077
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .180329606814785 4.2729e-08  
a 2.338033840941661 9.9614e-09 au
q 1.91641711768499 1.0194e-07 au
i 3.31818741650844 4.9551e-06 deg
node 227.6738019572159 7.0841e-05 deg
peri 127.3015507304627 7.1984e-05 deg
M 26.69285008008513 1.3214e-05 deg
tp 2459299.679557604514
(2021-Mar-26.17955760)
4.7691e-05 TDB
period 1305.793842088814
3.58
8.3452e-06
2.285e-08
d
yr
n .2756943618482115 1.7619e-09 deg/d
Q 2.759650564198332 1.1758e-08 au
  Orbit Determination Parameters
   # obs. used (total)      496  
   data-arc span      9657 days (26.44 yr)  
   first obs. used      1994-03-09  
   last obs. used      2020-08-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50789  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:40:14  

Additional Information
 Earth MOID = .913242 au 
 Jupiter MOID = 2.69305 au 
 T_jup = 3.542 
[ 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 16.69   n/a E2021B55  
diameter diameter 1.328 km 0.215 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.229   0.122 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

102077 (1999 RL146)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 RL146 = 2003 WS135 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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