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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2815775655117099 1.6864e-08  
a 3.989490343032757 3.0957e-08 au
q 2.866139364609117 6.8286e-08 au
i 7.239665761797602 8.4619e-07 deg
node 188.9632896093831 8.4949e-06 deg
peri 117.1633899008496 9.4269e-06 deg
M 199.8692925353684 3.1814e-06 deg
tp 2460495.133008343819
(2024-Jul-03.63300834)
3.6406e-05 TDB
period 2910.546580247365
7.97
3.3877e-05
9.275e-08
d
yr
n .1236881080836039 1.4397e-09 deg/d
Q 5.112841321456397 3.9674e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2618  
   data-arc span      15893 days (43.51 yr)  
   first obs. used      1977-09-09  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44351  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 16:21:27  

Additional Information
 Earth MOID = 1.85915 au 
 Jupiter MOID = .644567 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 11.25   n/a E2021B10  
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. 2020-October); Warner et al., 2009 Published Reference List:
[Warner, B.D.; Stephens, R.D.; Coley, D.R. (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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