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 ]  
61401 Schiff (2000 QQ6)
Classification: Main-belt Asteroid          SPK-ID: 2061401
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1069952087194435 5.5167e-08  
a 2.581158579500355 1.3133e-08 au
q 2.304986978548732 1.3943e-07 au
i 2.23664133257338 5.4594e-06 deg
node 350.8254999196312 0.00011351 deg
peri 21.16273627298219 0.00011534 deg
M 253.2721126837481 2.2048e-05 deg
tp 2459449.551208611769
(2021-Aug-23.05120861)
9.3693e-05 TDB
period 1514.678489055226
4.15
1.156e-05
3.165e-08
d
yr
n .2376742012257323 1.814e-09 deg/d
Q 2.857330180451978 1.4539e-08 au
  Orbit Determination Parameters
   # obs. used (total)      919  
   data-arc span      9634 days (26.38 yr)  
   first obs. used      1992-11-20  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56153  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:47:36  

Additional Information
 Earth MOID = 1.30504 au 
 Jupiter MOID = 2.60827 au 
 T_jup = 3.415 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2   n/a MPO436211  

61401 Schiff           Discovered 2000 Aug. 25 by S. Sposetti at Gnosca.
In 1960 Leonard Schiff (1915-1971) proposed the use of orbiting gyroscopes to check some of the effects of the theory of general relativity. His ideas led to the Gravity Probe B experiment.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060809/MPCPages.arcLast Updated: 2007-08-08
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-18 16:08 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin