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385521 (2004 JR10)
Classification: Main-belt Asteroid          SPK-ID: 2385521
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1707858407961836 4.8525e-08  
a 2.323723307065854 1.7693e-08 au
q 1.926864268290924 1.1494e-07 au
i 9.783109138891524 6.9108e-06 deg
node 169.370269336613 2.8318e-05 deg
peri 64.25900158948311 3.5365e-05 deg
M 298.1489825177622 2.1745e-05 deg
tp 2459618.789728554014
(2022-Feb-08.28972855)
7.9437e-05 TDB
period 1293.823538188781
3.54
1.4777e-05
4.046e-08
d
yr
n .2782450538069223 3.1779e-09 deg/d
Q 2.720582345840785 2.0715e-08 au
  Orbit Determination Parameters
   # obs. used (total)      179  
   data-arc span      8595 days (23.53 yr)  
   first obs. used      1997-06-09  
   last obs. used      2020-12-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .65076  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:05:40  

Additional Information
 Earth MOID = .940944 au 
 Jupiter MOID = 2.30631 au 
 T_jup = 3.537 
[ 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 17.56   n/a MPCxxxxx  

385521 (2004 JR10)          Discovered 1997-May-27 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-02-19

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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
1976-Sep-19 12:40 < 00:01 Iris 0.0225939720483721 0.0225819843541253 0.0226059635622504 8.72594463699166 8.72594460783297 2443041.027516722 0.760017000909901 760.210370331269 98.6777394400654 38.5380825578194 21618.8875359884 T 20 CATAB v2.0f-lin.ifort 2021-Apr-14 11:05:41 2021-Apr-14 11:05
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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