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Small-Body Database Lookup

Enter the IAU number, designation, name or SPK-ID for the object of interest in the search form above. For example, to display information about asteroid 433 Eros, enter either 433 or eros, not both (names are not case-sensitive).

This tool provides access to data related to the user-specified asteroid or comet. Specifically,

  • orbital elements
  • orbit diagrams
  • physical parameters *
  • close approach details *
  • radar astrometry *
  • discovery circumstances *
  • alternate designations *

Entries above marked with * are only provided when available for the specified object.

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Instructions

The search form recognizes IAU numbers, designations, names, and JPL SPK-ID numbers. When searching for a particular asteroid or comet, it is best to use either the IAU number, as in 433 for asteroid “433 Eros”, or the primary designation as in 1998 SF36 for asteroid “25143 (1998 SF36)”. However, using the asteroid/comet name will also work, as in Ceres for asteroid “1 Ceres”. Although the search engine can handle 433 Eros, it is faster to use either the IAU number or the name — not both. Using both requires a search for both the number and name which must match internally in the database. If the number and name do not match (e.g., 344 Eros), you may scratch your head for a while wondering why until you notice the typo “344”. If the object you want is numbered and you know its IAU number, use it because a search for IAU number will be the fastest (and unabiguous).

Searches are not case-sensitive. That means a seach for 1999 AN10 will be the same as a search for 1999 an10. Similarly, a search for linear is the same as a search for LINEAR. Furthermore, for designations, the space can be omitted so a search for 1999an10 is identical to 1999 AN10.

If you don’t remember the object’s number, name, or designation but you remember a part of the designation, you can use the wild-card * to assist. For example, suppose you remember some asteroid having a designation of ”#### XF11” but you don’t remember the “####” part. You can search for * XF11 (note the space between * and XF11) and you will see a list of matching designations at which point you might recognize the correct year (e.g., “1997 XF11”). Wild-card * matches zero or more characters (including spaces). For example, a search for 2000 PH* will match “2000 PH”, “2000 PH3” and “2000 PH24” among others.

Wild-card searches are slow and should be avoided when possible. Searching for a* is probably a waste of your time. However, a search for Machholz* might help in case you don’t remember which Comet Machholz you wanted.

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Search string "" matched the following record(s):

Select from the list below to be redirected to JPL's Solar System Dynamics website.

192456 (1998 BU23)

Classification: Main-belt Asteroid       SPKID: 20192456       Related Links: Ephemeris

Osculating Orbital Elements

Epoch 2460600.5 (2024-Oct-17.0) TDB
Reference: JPL 37 (heliocentric IAU76/J2000 ecliptic)
Element Value Uncertainty (1-sigma) Units
e 0.05666924227359778 2.8999E-8
a 2.531675243656325 8.4206E-9 au
q 2.388207125915495 7.085E-8 au
i 1.370546158828177 2.9791E-6 deg
node 131.7119891016544 .00012854 deg
peri 50.79077121203827 .0001317 deg
M 180.6273144906877 2.992E-5 deg
tp 2461333.601703429429
2026-Oct-20.10170343
.00012373 TDB
period 1471.33111423976
4.028285049253278
7.3407E-6
2.0098e-8
d
y
n 0.2446763998367647 1.2207E-9 deg/d
Q 2.675143361397155 8.8978E-9 au

Miscellaneous Details

solution date 2024-Dec-13 21:33:40
# obs. used (total) 1141
data-arc span 9782 days (26.78 years)
first obs. used 1998-01-26
last obs. used 2024-11-07
planetary ephem. DE441
SB-pert. ephem. SB441-N16
condition code 0
norm. resid. RMS .50068
source JPL
producer Otto Matic
Earth MOID 1.39257 au
Jupiter MOID 2.28018 au
T_jup 3.448
Parameter Value Units Sigma Reference Notes
[H] absolute magnitude 16.00 E2023-HH6

192456 (1998 BU23)
Discovered 1998-01-26 by Spacewatch at Kitt Peak

REF: 20081113/Numbers.arc

Queries related to names and citations should be addressed to the IAU Working Group Small Body Nomenclature contact@wgsbn-iau.org.
Designation
2000 TP9
1998 BU23
* primary provisional designation above shown in bold