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 ]  
85770 (1998 UP1)
Classification: Aten [NEO]          SPK-ID: 2085770
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2453837.5 (2006-Apr-12.0) TDB
Reference: JPL 98 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3449394874012949 6.9664e-07  
a .9987404995025541 3.41e-09 au
q .6542354635572298 6.9747e-07 au
i 33.17783544423373 5.6844e-05 deg
node 18.40518988720828 8.2535e-06 deg
peri 234.3775492937931 3.4145e-05 deg
M 273.7835566163606 7.3015e-05 deg
tp 2453924.810207645601
(2006-Jul-08.31020765)
7.3769e-05 TDB
period 364.5670537875712
1.00
1.8671e-06
5.112e-09
d
yr
n .9874726645204963 5.0573e-09 deg/d
Q 1.343245535447878 4.5863e-09 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] -4.948077594365948E-14 1.666E-14
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)      489  
   data-arc span      9498 days (26.00 yr)  
   first obs. used      1990-10-12  
   last obs. used      2016-10-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40473  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jan-14 15:34:57  

Additional Information
 Earth MOID = .0853129 au 
 Jupiter MOID = 3.77128 au 
 T_jup = 5.898 
 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 20.5   n/a MPO244836  

85770 (1998 UP1)          Discovered 1998-Oct-18 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ 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-Jun-01 17:03 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin