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112985 (2002 RS28)
Classification: Amor [NEO]          SPK-ID: 2112985
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 234 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .492623368992681 3.2563e-08  
a 2.220428320258647 9.3744e-09 au
q 1.126593440526072 7.2588e-08 au
i 46.97827504235803 1.1088e-05 deg
node 211.9698484414412 6.133e-06 deg
peri 105.3139465498208 1.2196e-05 deg
M 214.530884394222 5.8295e-06 deg
tp 2459688.839508103933
(2022-Apr-19.33950810)
2.0954e-05 TDB
period 1208.519225440544
3.31
7.6533e-06
2.095e-08
d
yr
n .2978852073029856 1.8865e-09 deg/d
Q 3.314263199991221 1.3992e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1356  
   data-arc span      12092 days (33.11 yr)  
   first obs. used      1985-05-10  
   last obs. used      2018-06-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .38966  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:32:17  

Additional Information
 Earth MOID = .412493 au 
 Jupiter MOID = 3.23426 au 
 T_jup = 3.119 
[ 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 15.7   n/a MPO449665  
diameter diameter 3.618 km 0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
rotation period rot_per 4.787 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Warner, B.D. (2016) Minor Planet Bull. 43, 143-154.]
geometric albedo albedo 0.033   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

112985 (2002 RS28)          Discovered 2002-Sep-06 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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