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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05676500693894893 3.7554e-08  
a 3.0514389173404 1.4081e-08 au
q 2.878223966023793 1.1429e-07 au
i 17.61616175595688 4.5329e-06 deg
node 218.8742516091671 1.3375e-05 deg
peri 309.0818236269681 4.2641e-05 deg
M 103.036781264445 3.9137e-05 deg
tp 2458443.256218439706
(2018-Nov-20.75621844)
0.00021251 TDB
period 1946.952912347328
5.33
1.3477e-05
3.69e-08
d
yr
n .1849043177762162 1.2799e-09 deg/d
Q 3.224653868657006 1.488e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2399  
   data-arc span      34772 days (95.20 yr)  
   first obs. used      1924-06-06  
   last obs. used      2019-08-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46631  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-23 19:14:17  

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

[ show close-approach data ]
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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