Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
1865 Cerberus (1971 UA)
Classification: Apollo [NEO]          SPK-ID: 2001865
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

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.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 308 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4668656013580246 4.4633e-08  
a 1.080048254182031 1.4402e-09 au
q .5758108764976523 4.8296e-08 au
i 16.09631030409378 5.0353e-06 deg
node 212.9252449821004 1.0221e-05 deg
peri 325.2556117696364 1.1606e-05 deg
M 12.03974507921867 1.367e-05 deg
tp 2458586.788721362852
(2019-Apr-13.28872136)		 1.555e-05 TDB
period 409.9804669363986
1.12		 8.2002e-07
2.245e-09		 d
yr
n .8780906141458876 1.7563e-09 deg/d
Q 1.584285631866409 2.1125e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1801  
   data-arc span      17578 days (48.13 yr)  
   first obs. used      1971-10-26  
   last obs. used      2019-12-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .444  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-06 05:40:37  

Additional Information
 Earth MOID = .156505 au 
 Jupiter MOID = 3.40912 au 
 T_jup = 5.592 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457402.5 (2016-Jan-15.0) TDB
Reference: JPL 308 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .466970488121879 4.4664e-08  
q .575685029948355 4.8326e-08 au
tp 2457356.837163867042
(2015-Nov-30.33716387)		 1.4037e-05 TDB
node 212.9325244841154 1.0223e-05 deg
peri 325.2374266504354 1.16e-05 deg
i 16.09450912101341 5.0352e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      1801  
   data-arc span      17578 days (48.13 yr)  
   first obs. used      1971-10-26  
   last obs. used      2019-12-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .444  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-06 05:40:37  

Additional Information
 Jupiter MOID = 3.40912 au 
 T_jup = 5.592 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.994911166452583E-15 -2.158180688302071E-15 -2.380053102135713E-14 -8.126405891443084E-14 8.597959583446866E-14 8.583573916402878E-14
q -2.158180688302071E-15 2.335420528829893E-15 3.184980757978075E-14 8.761295522054378E-14 -9.043737992988668E-14 -9.334281101694887E-14
tp -2.380053102135713E-14 3.184980757978075E-14 1.970442696198895E-10 3.76545386977959E-12 7.927318354536496E-11 -2.057493099876218E-11
node -8.126405891443084E-14 8.761295522054378E-14 3.76545386977959E-12 1.044998477807325E-10 -9.921434439045192E-11 -2.205718811899568E-11
peri 8.597959583446866E-14 -9.043737992988668E-14 7.927318354536496E-11 -9.921434439045192E-11 1.345484380373708E-10 1.400924586816714E-11
i 8.583573916402878E-14 -9.334281101694887E-14 -2.057493099876218E-11 -2.205718811899568E-11 1.400924586816714E-11 2.535362844667E-11

[ 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 16.7   n/a MPO502171  
diameter diameter 1.2 km n/a Hazards due to Comets and Asteroids (1994), Ed. T. Gehrels, pp.540-543  
rotation period rot_per 6.8039 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Harris, A.W.; Young, J.W. (1989) Icarus 81, 314-364.]
[Wisniewski, W.Z.; Michalowski, T.M.; Harris, A.W.; McMillan, R.S. (1997) Icarus 126, 395-449; 1995, Lunar & Planetary Sci. XXVI, 1511-1512.]
[Pravec, P.; Wolf, M.; Sarounova, L. (1999) http://www.asu.cas.cz/~ppravec/neo.htm]
[Sarneczky, K.; Szabo, G.; Kiss, L.L. (1999) Astron. Astrophys. Suppl. Ser. 137, 363-368.]
[Pravec, P.; Wolf, M.; Sarounova, L. (2008) http://www.asu.cas.cz/~ppravec/neo.htm]
[Durech, J.; Vokrouhlicky, D.; Baransky, A.R.; Breiter, S.; et al. (2012) Astron. Astrophys. 547, A10.]
[Skiff, B.A.; Bowell, E.; Koehn, B.W.; Sanborn, J.J.; McLelland, K.P.; Warner, B.D. (2012) Minor Planet Bull. 39, 111-130.]
[Hanus, J.; Delbo, M.; Durech, J.; Ali-Lagoa, V. (2015) Icarus 256, 101-116.]
[Warner, B.D.; Stephens, R.D. (2019) Minor Planet Bull. 46, 27-40.]
geometric albedo albedo 0.22   n/a Hazards due to Comets and Asteroids (1994), Ed. T. Gehrels, pp.540-543  
B-V BV 0.790   0.021 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=8.30, mean=9.85, max.=11.41) deg.
U-B UB 0.442   0.081 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=8.30, mean=9.85, max.=11.41) deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices
SMASSII spectral type spec_B S   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)

1865 Cerberus (1971 UA)          Discovered 1971-Oct-26 by Kohoutek, L. at Bergedorf
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-18 01:31 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin