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21095 (1992 EG11)
Classification: Main-belt Asteroid          SPK-ID: 2021095
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1564120790866629 2.8881e-08  
a 2.715130459254163 9.917e-09 au
q 2.290451259130693 7.6545e-08 au
i 13.12072490125823 4.6686e-06 deg
node 158.5505481886566 1.2899e-05 deg
peri 106.2417308487916 2.2266e-05 deg
M 69.370612305468 1.571e-05 deg
tp 2458885.610987681428
(2020-Feb-06.11098768)
7.1518e-05 TDB
period 1634.122010275963
4.47
8.9529e-06
2.451e-08
d
yr
n .2203017875875773 1.207e-09 deg/d
Q 3.139809659377632 1.1468e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2008  
   data-arc span      10555 days (28.90 yr)  
   first obs. used      1992-02-25  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48422  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:38:59  

Additional Information
 Earth MOID = 1.31433 au 
 Jupiter MOID = 2.10646 au 
 T_jup = 3.306 
[ 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 13.89   n/a E2021B10  
diameter diameter 4.440 km 0.193 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.325   0.078 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

21095 (1992 EG11)          Discovered 1992-Mar-06 by UESAC at La Silla
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2114-Nov-17 20:17 < 00:01 Psych 0.0419036037735826 0.041901081495619 0.0419061347148847 5.41205400289853 5.41205394954788 2493503.345354568 0.949770543356598 1004.53372622129 38.2078950609969 -83.1368858272987 162811.230970083 T 28 CATAB v2.0f-lin.ifort 2021-Apr-13 03:39:20 2021-Apr-13 03:39

Alternate Designations
 1992 EG11 = 1998 RJ2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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