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295498 (2008 RN41)
Classification: Main-belt Asteroid          SPK-ID: 2295498
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1194618561393984 9.1095e-08  
a 2.966625439134178 3.3905e-08 au
q 2.612226857704852 2.7993e-07 au
i .8556190308841021 9.2112e-06 deg
node 141.1281828172258 0.00050418 deg
peri 188.9016393347649 0.00050524 deg
M 130.718270972343 3.0401e-05 deg
tp 2458322.817461328595
(2018-Jul-23.31746133)
0.00015845 TDB
period 1866.34746701418
5.11
3.1995e-05
8.76e-08
d
yr
n .1928901270329555 3.3068e-09 deg/d
Q 3.321024020563505 3.7956e-08 au
  Orbit Determination Parameters
   # obs. used (total)      192  
   data-arc span      7280 days (19.93 yr)  
   first obs. used      1999-12-31  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65745  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 18:31:03  

Additional Information
 Earth MOID = 1.60123 au 
 Jupiter MOID = 2.00593 au 
 T_jup = 3.253 
[ 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 16.2   n/a MPO460240  

295498 (2008 RN41)          Discovered 2008-Sep-02 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

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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
2132-Aug-30 04:01 00:06 Jupiter 1.99855891498239 1.9985582713282 1.99855955863646 2.89159246769134 2.74110812037689 2499998.667293825 6.19553586805578 95.3944219667533 14.5514494159048 89.3948275714069 1315394.5966109 T 12 CATAB v2.0f-lin.ifort 2019-Dec-14 18:31:05 2019-Dec-14 18:31
2168-Jul-04 14:50 00:08 Jupiter 1.99355822442195 1.99355765874077 1.99355879010335 2.78540459819795 2.62844426988087 2513091.118048935 8.06648856002081 139.369907711494 17.4045819682839 -85.3751064716649 1656693.41502969 T 12 CATAB v2.0f-lin.ifort 2019-Dec-14 18:31:05 2019-Dec-14 18:31

Alternate Designations
 2008 RN41 = 2003 TW30 = 2006 DS81 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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