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 ]  
85575 (1998 DC1)
Classification: Main-belt Asteroid          SPK-ID: 2085575
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1617270621013536 4.9132e-08  
a 3.139047766366931 2.3124e-08 au
q 2.631378793316591 1.605e-07 au
i 13.06344372016758 6.1887e-06 deg
node 345.1838639931859 2.0529e-05 deg
peri 133.6458039093827 3.4159e-05 deg
M 20.70875882428833 2.1191e-05 deg
tp 2458883.645112155329
(2020-Feb-04.14511216)
0.00011991 TDB
period 2031.399369755675
5.56
2.2446e-05
6.145e-08
d
yr
n .1772177373685504 1.9582e-09 deg/d
Q 3.64671673941727 2.6863e-08 au
  Orbit Determination Parameters
   # obs. used (total)      796  
   data-arc span      8146 days (22.30 yr)  
   first obs. used      1998-02-19  
   last obs. used      2020-06-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53181  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:00:30  

Additional Information
 Earth MOID = 1.66562 au 
 Jupiter MOID = 1.47545 au 
 T_jup = 3.151 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457232.5 (2015-Jul-29.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1627390289684717 4.9299e-08  
q 2.626661234618284 1.6137e-07 au
tp 2456855.081866299434
(2014-Jul-16.58186630)
0.00012605 TDB
node 345.2037896214172 2.0526e-05 deg
peri 133.929639606521 3.3953e-05 deg
i 13.0677169098109 6.1905e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      796  
   data-arc span      8146 days (22.30 yr)  
   first obs. used      1998-02-19  
   last obs. used      2020-06-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53181  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:00:30  

Additional Information
 Jupiter MOID = 1.47545 au 
 T_jup = 3.151 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.430351718671557E-15 -7.9021455638753E-15 2.309935209192371E-12 -2.332932828132888E-14 4.954378662072738E-13 -1.003349462042221E-14
q -7.9021455638753E-15 2.603932062388937E-14 -8.318996476055712E-12 7.900932663260843E-14 -1.767099775529716E-12 3.183464441533951E-14
tp 2.309935209192371E-12 -8.318996476055712E-12 1.588769951267493E-8 -5.758589598685567E-11 3.427089124767081E-9 4.686292774123476E-12
node -2.332932828132888E-14 7.900932663260843E-14 -5.758589598685567E-11 4.213101507970398E-10 -4.217651535407854E-10 -1.59216609612984E-11
peri 4.954378662072738E-13 -1.767099775529716E-12 3.427089124767081E-9 -4.217651535407854E-10 1.152803182732872E-9 1.661690650989134E-11
i -1.003349462042221E-14 3.183464441533951E-14 4.686292774123476E-12 -1.59216609612984E-11 1.661690650989134E-11 3.832167538199669E-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 14.5   n/a MPO379169  
diameter diameter 7.834 km 0.294 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.042   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85575 (1998 DC1)          Discovered 1998-Feb-19 by Galad, A., Pravda, A. at Modra
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ 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
1951-Apr-03 14:02 00:02 Jupiter 1.6287529656222 1.62875154913155 1.62875438387167 3.83836776772015 3.70040267664496 2433740.085026074 2.255471476963 3394.57731120166 36.9752934338101 -89.0259235076791 1896999.87195007 T 23 CATAB v2.0f-lin.ifort 2020-Nov-12 21:00:32 2020-Nov-12 21:00
1961-Nov-02 00:42 00:02 Jupiter 1.57116966490199 1.57116857601902 1.57117075451123 3.29994963041003 3.13232521665487 2437605.529144724 1.83826580674133 2201.21250790169 25.7896572288152 88.6322958470192 1932636.4777147 T 23 CATAB v2.0f-lin.ifort 2020-Nov-12 21:00:32 2020-Nov-12 21:00
2046-Feb-13 12:48 00:01 Jupiter 1.6086713311701 1.60867014183372 1.60867252052412 3.78380081075944 3.64198814317625 2468390.033300078 1.12535488920419 775.259130666224 51.9667310384309 -88.4260223715661 1803476.18783316 T 23 CATAB v2.0f-lin.ifort 2020-Nov-12 21:00:32 2020-Nov-12 21:00
2056-Sep-14 15:58 00:02 Jupiter 1.58274027226919 1.58273935158622 1.58274119308613 3.33259522538365 3.16794363153308 2472256.165243587 1.52325233242931 1125.59551637281 28.5288977620708 87.9562057923559 2093038.21158676 T 23 CATAB v2.0f-lin.ifort 2020-Nov-12 21:00:32 2020-Nov-12 21:00
2140-Dec-24 22:57 00:04 Jupiter 1.57886443196122 1.57886164765898 1.57886721629371 3.72550400141853 3.57860706415017 2503037.456495800 4.32975110194377 579.257047384827 106.097357248678 -81.3820133526166 1439882.31691022 T 23 CATAB v2.0f-lin.ifort 2020-Nov-12 21:00:32 2020-Nov-12 21:00
2151-Jul-30 02:40 00:05 Jupiter 1.58347236716288 1.58346967620575 1.58347505927394 3.36428720787354 3.20134334019344 2506906.611338729 4.74673132417745 2291.12469207293 32.265085007879 86.4025743030466 1945739.68562128 T 23 CATAB v2.0f-lin.ifort 2020-Nov-12 21:00:32 2020-Nov-12 21:00
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Dec-05 16:20 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin