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25013 (1998 QR)
Classification: Main-belt Asteroid          SPK-ID: 2025013
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1010946993521815 3.7373e-08  
a 2.331424756779483 7.7061e-09 au
q 2.095730071930628 8.769e-08 au
i 4.188437267077141 4.5721e-06 deg
node 176.4063688257763 5.1327e-05 deg
peri 341.0461422985862 5.5906e-05 deg
M 251.710480381159 2.2981e-05 deg
tp 2459591.623993875601
(2022-Jan-12.12399388)
8.3738e-05 TDB
period 1300.26098823619
3.56
6.4467e-06
1.765e-08
d
yr
n .2768674929548887 1.3727e-09 deg/d
Q 2.567119441628337 8.4852e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1831  
   data-arc span      14325 days (39.22 yr)  
   first obs. used      1981-10-24  
   last obs. used      2021-01-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5062  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 03:11:26  

Additional Information
 Earth MOID = 1.10495 au 
 Jupiter MOID = 2.41201 au 
 T_jup = 3.560 
[ 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 14.50   n/a E2021B10  

25013 (1998 QR)          Discovered 1998-Aug-17 by Klet at Klet
Reference: 20010606/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QR = 1981 UH22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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