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1031 Arctica (A924 LC)
Classification: Main-belt Asteroid          SPK-ID: 2001031
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 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05676499836339881 3.6467e-08  
a 3.051438920186484 1.3694e-08 au
q 2.878223994876087 1.1015e-07 au
i 17.61616140893441 4.4249e-06 deg
node 218.8742618426902 1.3305e-05 deg
peri 309.0818036602072 4.1859e-05 deg
M 103.0367915214955 3.8667e-05 deg
tp 2458443.256162187885
(2018-Nov-20.75616219)
0.00020981 TDB
period 1946.95291507122
5.33
1.3106e-05
3.588e-08
d
yr
n .1849043175175251 1.2447e-09 deg/d
Q 3.224653845496882 1.4471e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2554  
   data-arc span      35074 days (96.03 yr)  
   first obs. used      1924-06-06  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45207  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:25:11  

Additional Information
 Earth MOID = 1.90576 au 
 Jupiter MOID = 1.81011 au 
 T_jup = 3.163 
[ 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 9.5   n/a MPO473776 IRAS observations used: 21
diameter diameter 75.400 km 0.497 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 24.904 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Polakis, T. (2018) Minor Planet Bull. 45, 269-273.]
geometric albedo albedo 0.035   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.680   0.007 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=7.84, mean=7.85, max.=7.86) deg.
U-B UB 0.325   0.035 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=7.84, mean=7.85, max.=7.86) deg.
Tholen spectral type spec_T CX:   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices

1031 Arctica (A924 LC)          Discovered 1924-Jun-06 by Belyavskij, S. at Simeis
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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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
1905-Jun-02 12:07 00:02 Jupiter 1.88086982987986 1.88086899351645 1.88087066625225 5.67121030640535 5.59123915381097 2416999.004709699 1.84621515341902 239.984644342427 20.0997279165936 81.366032123725 4674530.31360321 T 42 CATAB v2.0f-lin.ifort 2020-Jun-23 15:25:22 2020-Jun-23 15:25
1963-Apr-25 19:12 < 00:01 Jupiter 1.95671498318585 1.95671431551369 1.956715650859 4.56734439055158 4.47156293189553 2438145.300098675 0.979974645070804 102.788400684152 23.1961716826622 -75.3652540395213 3120918.20677097 T 42 CATAB v2.0f-lin.ifort 2020-Jun-23 15:25:22 2020-Jun-23 15:25
2011-Jul-16 05:00 < 00:01 Jupiter 1.81365978869564 1.81365940270777 1.81366017468351 5.37663331798991 5.28905832669354 2455758.708630500 0.183004913063248 49.9007724369174 18.2379329167411 -85.7677189058545 4117630.29745762 T 42 CATAB v2.0f-lin.ifort 2020-Jun-23 15:25:22 2020-Jun-23 15:25
2059-Sep-16 22:17 < 00:01 Jupiter 1.8922909557427 1.89229034846953 1.89229156301716 5.64987716795114 5.57008770539363 2473353.428738728 0.899603009088571 118.66129070666 21.350296958424 79.7449097168264 4615690.75163221 T 42 CATAB v2.0f-lin.ifort 2020-Jun-23 15:25:22 2020-Jun-23 15:25
2117-Aug-17 07:40 00:02 Jupiter 1.92152381507253 1.92152264354865 1.92152498660426 4.79557378222755 4.70275583859953 2494506.819725946 2.11486270845869 218.891332408682 21.7482023519824 -74.6123680301361 3374714.07419407 T 42 CATAB v2.0f-lin.ifort 2020-Jun-23 15:25:22 2020-Jun-23 15:25
2165-Oct-31 05:58 00:03 Jupiter 1.8061783265577 1.80617795221041 1.80617870090509 5.44816120739758 5.36139382271285 2512113.748538360 2.73092206133948 388.584147345933 17.9260074814483 -89.6457643414724 4183562.98151112 T 42 CATAB v2.0f-lin.ifort 2020-Jun-23 15:25:22 2020-Jun-23 15:25

Alternate Designations
 A924 LC = A910 VB = A913 JA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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