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4199 Andreev (1983 RX2)
Classification: Main-belt Asteroid          SPK-ID: 2004199
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1342654984077264 3.4101e-08  
a 2.456465407644004 8.3607e-09 au
q 2.126646855365343 8.2875e-08 au
i 6.119018650077181 2.9785e-06 deg
node 71.97873389669765 3.3751e-05 deg
peri 278.4956493816564 3.5411e-05 deg
M 229.9036459823186 1.2306e-05 deg
tp 2459708.691071618213
(2022-May-09.19107162)
4.8916e-05 TDB
period 1406.256056627784
3.85
7.1794e-06
1.966e-08
d
yr
n .2559988974293086 1.307e-09 deg/d
Q 2.786283959922665 9.4833e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2828  
   data-arc span      16104 days (44.09 yr)  
   first obs. used      1976-12-16  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45364  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:16:11  

Additional Information
 Earth MOID = 1.12961 au 
 Jupiter MOID = 2.6401 au 
 T_jup = 3.472 
[ 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 13.17   n/a E2021B10  
diameter diameter 5.619 km 0.058 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 11.8161 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.387   0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

4199 Andreev (1983 RX2)          Discovered 1983-Sep-01 by Debehogne, H. at La Silla
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2156-May-29 15:24 < 00:01 Thisb 0.0415127527351366 0.0415098936956871 0.0415156177610096 3.84235710160363 3.84235705885763 2508672.141672696 0.508028583295753 808.699884011587 22.9682438083619 79.9713591456405 266091.50588996 T 38 CATAB v2.0f-lin.ifort 2021-Feb-24 01:16:18 2021-Feb-24 01:16
2185-Dec-16 10:37 00:01 Hebe 0.0262199049834745 0.0262046815765087 0.0262351294520267 4.2691619236504 4.26916186811322 2519464.942108469 1.43974756965393 803.033128166197 27.2886909383488 -19.1338964085282 47310.2503323275 T 38 CATAB v2.0f-lin.ifort 2021-Feb-24 01:16:18 2021-Feb-24 01:16

Alternate Designations
 1983 RX2 = 1976 YM1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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