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4446 Carolyn (1985 TT)
Classification: Outer Main-belt Asteroid          SPK-ID: 2004446
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2815149174987422 3e-08  
a 3.989756401580907 3.3182e-08 au
q 2.86658045734978 1.1979e-07 au
i 7.238518060725429 4.1419e-06 deg
node 188.9784961790384 2.9084e-05 deg
peri 117.1091686775178 2.9932e-05 deg
M 175.199105934466 7.2249e-06 deg
tp 2457583.899528484030
(2016-Jul-14.39952848)
5.4668e-05 TDB
period 2910.837741012835
7.97
3.6313e-05
9.942e-08
d
yr
n .1236757360012574 1.5429e-09 deg/d
Q 5.112932345812036 4.2523e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2350  
   data-arc span      15749 days (43.12 yr)  
   first obs. used      1977-09-09  
   last obs. used      2020-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46155  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:51:32  

Additional Information
 Earth MOID = 1.86156 au 
 Jupiter MOID = .644533 au 
 T_jup = 2.971 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.2   n/a MPO337289  
diameter diameter 28.645 km 0.468 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
rotation period rot_per 40.92 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Warner, B.D.; Stephens, R.D. (2017) Minor Planet Bull. 44, 36-41.]
geometric albedo albedo 0.086   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  

4446 Carolyn (1985 TT)          Discovered 1985-Oct-15 by Bowell, E. at Flagstaff
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1985 TT = 1977 RC6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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