Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    5.793876E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-22T10:17:02+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 36028
    NORAD ID 36028
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 57386
    NORAD ID 57386
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter IRIDIUM 33 DEB STARLING 4
    Time of Closest Approach 2026-10-23T05:01:55+0000
    Collision Probability (Pc) 5.793876E-6
    Conjunction Distance (km) 1.577 km
    Relative Speed (km/s) 15.137 km/s
    Conjunction Risk Parameters R (Radial): -0.683 | I (In-track): 0.125 | C (Cross-track): -1.414
    Collision Risk Index (CRI) 0.5
    X Position (km) 3959.022 3958.163
    Position Y (km) -2069.45 -2070.576
    Position Z (km) 5277.518 5276.825
    Velocity X (km/s) 5.468 -5.871
    Velocity Y (km/s) -2.005 0.881
    Velocity Z (km/s) -4.865 4.737

    Orbital Parameters 国际轨道数据源

    Parameter IRIDIUM 33 DEB STARLING 4
    Semimajor Axis (a) 6912.871 km 6923.063 km
    Eccentricity (e) 0.001474 0.000710
    Inclination (i) 86.3085° 99.5003°
    RAAN 157.6533° 342.0652°
    Perigee Argument 8.7135° 68.3616°
    Mean Anomaly (M) 351.4356° 291.8362°
    Apogee 544.928 km 549.844 km
    Perigee 524.540 km 540.008 km
    Orbit Epoch 2026-10-21T09:31:53+0000 2026-10-21T19:20:51+0000

    IRIDIUM 33 DEB & STARLING 4 Collision Probability (Pc) Trend

    IRIDIUM 33 DEB & STARLING 4 Collision Probability (Pc) TrendNot Available

    IRIDIUM 33 DEB & STARLING 4 Miss Distance (Miss Distance) Trend

    IRIDIUM 33 DEB & STARLING 4 Miss Distance (Miss Distance) TrendNot Available

    IRIDIUM 33 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLING 4Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    IRIDIUM 33 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLING 4Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with IRIDIUM 33 DEB

    No nearby objects data