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136960 (1998 RD27)
Classification: Main-belt Asteroid          SPK-ID: 2136960
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1087544090331987 3.8193e-08  
a 2.414821648478131 1.2652e-08 au
q 2.152199147177317 9.5751e-08 au
i 7.208269561962394 4.7846e-06 deg
node 181.4123876393438 3.536e-05 deg
peri 122.884539885982 4.3678e-05 deg
M 317.3134258472421 2.4421e-05 deg
tp 2459163.022995569529
(2020-Nov-09.52299557)
9.2932e-05 TDB
period 1370.648255717436
3.75
1.0772e-05
2.949e-08
d
yr
n .2626494423338145 2.0641e-09 deg/d
Q 2.677444149778945 1.4028e-08 au
  Orbit Determination Parameters
   # obs. used (total)      520  
   data-arc span      8466 days (23.18 yr)  
   first obs. used      1997-04-13  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58202  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 02:32:01  

Additional Information
 Earth MOID = 1.14761 au 
 Jupiter MOID = 2.53815 au 
 T_jup = 3.498 
[ 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 16.3   n/a MPO385596  

136960 (1998 RD27)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

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