Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.15015E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T02:54:30+0800
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    1 Object 1

    AOE ID 21342
    NORAD ID 21342
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 40018
    NORAD ID 40018
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter DELTA 1 DEB APRIZESAT 9
    Time of Closest Approach 2026-10-21T20:08:20+0000
    Collision Probability (Pc) 1.15015E-6
    Conjunction Distance (km) 2.905 km
    Relative Speed (km/s) 10.574 km/s
    Conjunction Risk Parameters R (Radial): 2.086 | I (In-track): 1.44 | C (Cross-track): -1.418
    Collision Risk Index (CRI) 0.36
    X Position (km) -354.197 -352.397
    Position Y (km) 1517.435 1518.556
    Position Z (km) -6884.997 -6886.981
    Velocity X (km/s) 6.817 3.267
    Velocity Y (km/s) -3.08 6.62
    Velocity Z (km/s) -1.006 1.252

    Orbital Parameters 国际轨道数据源

    Parameter DELTA 1 DEB APRIZESAT 9
    Semimajor Axis (a) 7133.578 km 7025.366 km
    Eccentricity (e) 0.011848 0.006649
    Inclination (i) 99.9953° 97.9243°
    RAAN 332.2497° 63.6426°
    Perigee Argument 282.2135° 156.8762°
    Mean Anomaly (M) 106.6931° 203.5463°
    Apogee 839.964 km 693.942 km
    Perigee 670.918 km 600.516 km
    Orbit Epoch 2026-10-20T01:23:44+0000 2026-10-20T08:40:16+0000

    DELTA 1 DEB & APRIZESAT 9 Collision Probability (Pc) Trend

    DELTA 1 DEB & APRIZESAT 9 Collision Probability (Pc) TrendNot Available

    DELTA 1 DEB & APRIZESAT 9 Miss Distance (Miss Distance) Trend

    DELTA 1 DEB & APRIZESAT 9 Miss Distance (Miss Distance) TrendNot Available

    DELTA 1 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    APRIZESAT 9Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DELTA 1 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    APRIZESAT 9Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DELTA 1 DEB

    No nearby objects data