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43114 (1999 XR36)
Classification: Main-belt Asteroid          SPK-ID: 2043114
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02858421054111427 2.7354e-08  
a 2.898255048917498 1.4644e-08 au
q 2.815410716397393 8.0725e-08 au
i 12.52685646723529 4.6562e-07 deg
node 358.0081890706676 3.3433e-06 deg
peri 207.2910873592631 2.073e-05 deg
M 298.1611682822958 2.0992e-05 deg
tp 2459510.072307176605
(2021-Oct-22.57230718)
0.0001045 TDB
period 1802.201424055547
4.93
1.3659e-05
3.74e-08
d
yr
n .1997556961140789 1.514e-09 deg/d
Q 2.981099381437604 1.5063e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2382  
   data-arc span      15096 days (41.33 yr)  
   first obs. used      1979-11-22  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41303  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:23:54  

Additional Information
 Earth MOID = 1.81821 au 
 Jupiter MOID = 1.98885 au 
 T_jup = 3.252 
[ 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 13.17   n/a MPCxxxxx  
diameter diameter 7.647 km 0.215 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 37.253 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:
[McNeill, A.; Mommert, M.; Trilling, D.E.; Llama, J.; Skiff, B. (2019) Ap. J. Suppl. Series 245, id.29.]
geometric albedo albedo 0.229   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43114 (1999 XR36)          Discovered 1999-Dec-07 by Juels, C. W. at Fountain Hills
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1999 XR36 = 1979 WH = 1989 UW8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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