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
JPL Small-Body Database Browser
Search: [ help ]  
10302 (1989 ML)
Classification: Amor [NEO]          SPK-ID: 2010302
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 107 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1364313591796106 4.0989e-08  
a 1.272165680155728 5.1455e-09 au
q 1.098602387310428 5.3149e-08 au
i 4.378237962774903 4.4831e-06 deg
node 104.33951416 4.8407e-05 deg
peri 183.3770199746916 5.4224e-05 deg
M 325.8887109664199 2.9566e-05 deg
tp 2459250.160326461542
(2021-Feb-04.66032646)
4.3196e-05 TDB
period 524.0997345059498
1.43
3.1797e-06
8.706e-09
d
yr
n .6868921624991077 4.1674e-09 deg/d
Q 1.445728973001027 5.8476e-09 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] 4.551212584535783E-14 9.056E-15
ALN [SET] 1. n/a
NK [SET] 0. n/a
NM [SET] 2. n/a
R0 [SET] 1. n/a
  Orbit Determination Parameters
   # obs. used (total)      516  
   data-arc span      10928 days (29.92 yr)  
   first obs. used      1989-06-06  
   last obs. used      2019-05-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51614  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 21:59:35  

Additional Information
 Earth MOID = .0803496 au 
 Jupiter MOID = 3.64811 au 
 T_jup = 5.067 
 Nongravitational accels. using nonstandard g(r) = (1 au/ r)^2 
[ 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 19.4   n/a MPO467776  
rotation period rot_per 19.164 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:
[Weissman, P.; Doressoundiram, A.; Hicks, M.; Chamberlin, A.; et al. (1999) Bull. Amer. Astron. Soc. 31, 1121.]
[Abe, M.; Sato, I.; Araki, H. (2000) Adv. Space Res. 25, 269-272.]
[Pravec, P.; Wolf, M.; Sarounova, L. (2019) http://www.asu.cas.cz/~ppravec/neo.htm]
SMASSII spectral type spec_B X   n/a Binzel et al. (2001) Icarus 151, 139-149  

10302 (1989 ML)          Discovered 1989-Jun-29 by Helin, E. F., Alu, J. at Palomar
Reference: 19990402/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1989 ML = 1992 WA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-07 07:54 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin