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4880 Tovstonogov (1975 TR4)
Classification: Main-belt Asteroid          SPK-ID: 2004880
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 46 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03512145496188037 8.9216e-09  
a 2.67089292838615 1.1582e-08 au
q 2.577087282693832 2.1313e-08 au
i 21.18464099794481 2.7081e-07 deg
node 218.3485436273675 8.4681e-07 deg
peri 192.6262263349944 2.942e-05 deg
M 111.1375152116397 2.8503e-05 deg
tp 2458708.300320979224
(2019-Aug-12.80032098)
0.00012585 TDB
period 1594.348084083507
4.37
1.0371e-05
2.839e-08
d
yr
n .2257976182202032 1.4687e-09 deg/d
Q 2.764698574078469 1.1989e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2567  
   data-arc span      16597 days (45.44 yr)  
   first obs. used      1975-10-14  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .39352  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:55:17  

Additional Information
 Earth MOID = 1.58607 au 
 Jupiter MOID = 2.39435 au 
 T_jup = 3.283 
[ 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 12.28   n/a MPCxxxxx  
diameter diameter 8.908 km 0.418 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 5.400 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Taylor, I.O.; Odden, C.E. (2015) Minor Planet Bull. 42, 142.]
geometric albedo albedo 0.353   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

4880 Tovstonogov (1975 TR4)          Discovered 1975-Oct-14 by Chernykh, L. I. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1975 TR4 = 1988 UL 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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