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192901 (1999 XR151)
Classification: Main-belt Asteroid          SPK-ID: 2192901
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08527167867218603 4.877e-08  
a 3.124767764088179 2.6443e-08 au
q 2.858313571383647 1.5282e-07 au
i 1.794366943253547 5.5304e-06 deg
node 10.31867175081717 0.00013663 deg
peri 177.7544929415799 0.00013939 deg
M 216.4356551005673 3.0166e-05 deg
tp 2460005.079824657790
(2023-Mar-01.57982466)
0.00017457 TDB
period 2017.553432780989
5.52
2.561e-05
7.012e-08
d
yr
n .1784339359497296 2.2649e-09 deg/d
Q 3.391221956792712 2.8697e-08 au
  Orbit Determination Parameters
   # obs. used (total)      429  
   data-arc span      8114 days (22.21 yr)  
   first obs. used      1998-10-20  
   last obs. used      2021-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58164  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:18:01  

Additional Information
 Earth MOID = 1.85846 au 
 Jupiter MOID = 1.56557 au 
 T_jup = 3.209 
[ 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 15.48   n/a MPCxxxxx  

192901 (1999 XR151)          Discovered 1999-Dec-07 by Spacewatch at Kitt Peak
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

[ show close-approach data ]
Alternate Designations
 1999 XR151 = 2006 DW20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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