Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.307366E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T15:22:49+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 39450
    NORAD ID 39450
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 51964
    NORAD ID 51964
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SL-24 DEB STARLINK-3690
    Time of Closest Approach 2026-09-13T22:54:44+0000
    Collision Probability (Pc) 9.307366E-7
    Conjunction Distance (km) 2.866 km
    Relative Speed (km/s) 7.045 km/s
    Conjunction Risk Parameters R (Radial): 0.224 | I (In-track): 2.534 | C (Cross-track): -1.319
    Collision Risk Index (CRI) 0.34
    X Position (km) -1180.164 -1179
    Position Y (km) -5576.123 -5575.027
    Position Z (km) 3788.814 3791.192
    Velocity X (km/s) -0.288 5.987
    Velocity Y (km/s) 4.335 1.739
    Velocity Z (km/s) 6.277 4.406

    Orbital Parameters 国际轨道数据源

    Parameter SL-24 DEB STARLINK-3690
    Semimajor Axis (a) 6848.505 km 6848.960 km
    Eccentricity (e) 0.000466 0.000118
    Inclination (i) 97.3957° 53.1590°
    RAAN 260.6499° 240.3291°
    Perigee Argument 357.8402° 93.2882°
    Mean Anomaly (M) 2.2818° 266.8255°
    Apogee 473.563 km 471.634 km
    Perigee 467.173 km 470.012 km
    Orbit Epoch 2026-09-11T14:19:34+0000 2026-09-11T08:04:50+0000

    SL-24 DEB & STARLINK-3690 Collision Probability (Pc) Trend

    SL-24 DEB & STARLINK-3690 Collision Probability (Pc) TrendNot Available

    SL-24 DEB & STARLINK-3690 Miss Distance (Miss Distance) Trend

    SL-24 DEB & STARLINK-3690 Miss Distance (Miss Distance) TrendNot Available

    SL-24 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3690Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SL-24 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3690Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SL-24 DEB

    No nearby objects data