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JPL Small-Body Database Browser
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1015 Christa (A924 CF)
Classification: Outer Main-belt Asteroid          SPK-ID: 2001015
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 98 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08748154860258757 3.8633e-08  
a 3.204708458695146 1.5588e-08 au
q 2.924355599908683 1.2695e-07 au
i 9.446386196615133 4.1483e-06 deg
node 120.1505215546213 2.5765e-05 deg
peri 286.6410100782157 3.4496e-05 deg
M 300.7663337169011 2.3277e-05 deg
tp 2458945.284179845315
(2020-Apr-05.78417985)
0.00013559 TDB
period 2095.46888674911
5.74
1.5289e-05
4.186e-08
d
yr
n .1717992580450576 1.2535e-09 deg/d
Q 3.485061317481608 1.6952e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2766  
   data-arc span      35004 days (95.84 yr)  
   first obs. used      1924-02-01  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43512  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 20:51:58  

Additional Information
 Earth MOID = 1.95242 au 
 Jupiter MOID = 1.85569 au 
 T_jup = 3.166 
[ 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 9.2   n/a MPO502162 IRAS observations used: 27
diameter diameter 82.350 km 1.096 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 11.230 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2009) Minor Planet Bull. 36, 109-116.]
geometric albedo albedo 0.048   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.693   0.015 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=3.72, mean=6.82, max.=8.38) deg.
U-B UB 0.320   0.044 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=3.72, mean=6.82, max.=8.38) deg.
Tholen spectral type spec_T C   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices
SMASSII spectral type spec_B Xc   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

1015 Christa (A924 CF)          Discovered 1924-Jan-31 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A924 CF = A916 UE 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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