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134562 (1999 RS177)
Classification: Outer Main-belt Asteroid          SPK-ID: 2134562
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 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2562662979336427 4.412e-08  
a 3.954129160209467 4.5093e-08 au
q 2.940819118771123 1.7645e-07 au
i 3.611746909551924 4.2507e-06 deg
node 151.2200744006217 7.6417e-05 deg
peri 254.7394970446998 7.6777e-05 deg
M 221.4965378126928 9.7709e-06 deg
tp 2460305.425083075899
(2023-Dec-26.92508308)
9.1994e-05 TDB
period 2871.935644246853
7.86
4.9127e-05
1.345e-07
d
yr
n .1253509982792138 2.1443e-09 deg/d
Q 4.967439201647811 5.6649e-08 au
  Orbit Determination Parameters
   # obs. used (total)      686  
   data-arc span      7608 days (20.83 yr)  
   first obs. used      1999-09-09  
   last obs. used      2020-07-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53833  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:08:55  

Additional Information
 Earth MOID = 1.95226 au 
 Jupiter MOID = .499958 au 
 T_jup = 2.998 
[ 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 14.26   n/a E2021B55  
diameter diameter 9.778 km 0.561 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
geometric albedo albedo 0.051   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  

134562 (1999 RS177)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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