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27051 (1998 SM5)
Classification: Main-belt Asteroid          SPK-ID: 2027051
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1253452289417754 7.4191e-08  
a 2.596878298647375 1.7171e-08 au
q 2.271371993769492 2.0085e-07 au
i 12.97957406874716 6.6178e-06 deg
node 176.2403753322101 1.7666e-05 deg
peri 358.8590452346747 2.429e-05 deg
M 246.9236352806788 2.0625e-05 deg
tp 2459480.614872981082
(2021-Sep-23.11487298)
9.0469e-05 TDB
period 1528.53653106215
4.18
1.516e-05
4.151e-08
d
yr
n .2355193956338375 2.3359e-09 deg/d
Q 2.922384603525258 1.9323e-08 au
  Orbit Determination Parameters
   # obs. used (total)      871  
   data-arc span      9206 days (25.20 yr)  
   first obs. used      1994-08-15  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58991  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 04:57:17  

Additional Information
 Earth MOID = 1.27603 au 
 Jupiter MOID = 2.03939 au 
 T_jup = 3.370 
[ 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 15.0   n/a MPO347724  

27051 (1998 SM5)          Discovered 1998-Sep-16 by Spacewatch at Kitt Peak
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SM5 = 2001 KW40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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