Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.891022E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-16T11:19:54+0800
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    1 Object 1

    AOE ID 10502
    NORAD ID 10502
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 36493
    NORAD ID 36493
    Object Type DEBRIS
    Country
    US US

    Conjunction Constraints

    Parameter OPS 8781 IRIDIUM 33 DEB
    Time of Closest Approach 2026-10-18T05:05:35+0000
    Collision Probability (Pc) 1.891022E-6
    Conjunction Distance (km) 2.319 km
    Relative Speed (km/s) 13.162 km/s
    Conjunction Risk Parameters R (Radial): 1.253 | I (In-track): 0.995 | C (Cross-track): 1.679
    Collision Risk Index (CRI) 0.41
    X Position (km) -2028.533 -2027.03
    Position Y (km) -3383.37 -3384.37
    Position Z (km) 5818.62 5820.075
    Velocity X (km/s) 3.365 3.916
    Velocity Y (km/s) -6.265 4.877
    Velocity Z (km/s) -2.787 4.198

    Orbital Parameters 国际轨道数据源

    Parameter OPS 8781 IRIDIUM 33 DEB
    Semimajor Axis (a) 7245.875 km 7043.353 km
    Eccentricity (e) 0.045365 0.001246
    Inclination (i) 63.3302° 86.3553°
    RAAN 114.7176° 235.9427°
    Perigee Argument 164.4638° 34.7993°
    Mean Anomaly (M) 197.0893° 325.4035°
    Apogee 1196.448 km 673.996 km
    Perigee 539.028 km 656.436 km
    Orbit Epoch 2026-10-15T11:45:28+0000 2026-10-13T03:50:24+0000

    OPS 8781 & IRIDIUM 33 DEB Collision Probability (Pc) Trend

    OPS 8781 & IRIDIUM 33 DEB Collision Probability (Pc) TrendNot Available

    OPS 8781 & IRIDIUM 33 DEB Miss Distance (Miss Distance) Trend

    OPS 8781 & IRIDIUM 33 DEB Miss Distance (Miss Distance) TrendNot Available

    OPS 8781Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    IRIDIUM 33 DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    OPS 8781Collision Probability Trend

    Object 1 Probability TrendNot Available

    IRIDIUM 33 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with OPS 8781

    No nearby objects data