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120471 (1992 EN2)
Classification: Main-belt Asteroid          SPK-ID: 2120471
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1620612966139085 4.1621e-08  
a 2.296748907173122 9.5859e-09 au
q 1.924534801280069 9.4517e-08 au
i 3.494202024787333 4.2994e-06 deg
node 149.4320195424701 7.9682e-05 deg
peri 311.6577277348201 8.1481e-05 deg
M 141.1111564212461 1.6669e-05 deg
tp 2458702.157926731376
(2019-Aug-06.65792673)
5.8103e-05 TDB
period 1271.360471606858
3.48
7.9594e-06
2.179e-08
d
yr
n .2831612340007708 1.7727e-09 deg/d
Q 2.668963013066175 1.1139e-08 au
  Orbit Determination Parameters
   # obs. used (total)      370  
   data-arc span      10304 days (28.21 yr)  
   first obs. used      1992-03-06  
   last obs. used      2020-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56835  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:56:57  

Additional Information
 Earth MOID = .943301 au 
 Jupiter MOID = 2.47469 au 
 T_jup = 3.574 
[ 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 17.24   n/a E2021B55  

120471 (1992 EN2)          Discovered 1992-Mar-06 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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