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80112 (1999 RN61)
Classification: Main-belt Asteroid          SPK-ID: 2080112
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2113418140320723 4.9891e-08  
a 2.217688131161807 7.4122e-09 au
q 1.748997898564674 1.1254e-07 au
i 4.898629312662277 4.8187e-06 deg
node 140.39434137837 6.2165e-05 deg
peri 267.5816279832611 6.3762e-05 deg
M 289.6917065897055 1.1679e-05 deg
tp 2458836.088013856264
(2019-Dec-18.58801386)
3.9108e-05 TDB
period 1206.282799289745
3.30
6.0476e-06
1.656e-08
d
yr
n .2984374810052556 1.4962e-09 deg/d
Q 2.68637836375894 8.9787e-09 au
  Orbit Determination Parameters
   # obs. used (total)      546  
   data-arc span      8426 days (23.07 yr)  
   first obs. used      1996-11-03  
   last obs. used      2019-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5304  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:45:46  

Additional Information
 Earth MOID = .766702 au 
 Jupiter MOID = 2.70854 au 
 T_jup = 3.618 
[ 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 16.5   n/a MPO449502  
rotation period rot_per 4.923622 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]

80112 (1999 RN61)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1999 RN61 = 1996 VO31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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