Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.66656E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-31T07:14:54+0800
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    1 Object 1

    AOE ID 9619
    NORAD ID 9619
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 41785
    NORAD ID 41785
    Object Type PAYLOAD
    Country
    DZ DZ

    Conjunction Constraints

    Parameter DELTA 1 DEB ALSAT 1B
    Time of Closest Approach 2026-11-02T07:42:01+0000
    Collision Probability (Pc) 1.66656E-6
    Conjunction Distance (km) 1.857 km
    Relative Speed (km/s) 4.567 km/s
    Conjunction Risk Parameters R (Radial): 0.632 | I (In-track): -1.658 | C (Cross-track): 0.547
    Collision Risk Index (CRI) 0.39
    X Position (km) 881.954 881.379
    Position Y (km) 426.136 427.793
    Position Z (km) -6975.145 -6975.754
    Velocity X (km/s) 0.514 4.715
    Velocity Y (km/s) -7.521 -5.84
    Velocity Z (km/s) -0.38 0.232

    Orbital Parameters 国际轨道数据源

    Parameter DELTA 1 DEB ALSAT 1B
    Semimajor Axis (a) 7104.067 km 7031.691 km
    Eccentricity (e) 0.009732 0.000998
    Inclination (i) 97.4002° 97.7788°
    RAAN 270.9396° 306.5713°
    Perigee Argument 287.5027° 143.0754°
    Mean Anomaly (M) 71.5553° 217.1143°
    Apogee 795.066 km 660.572 km
    Perigee 656.794 km 646.536 km
    Orbit Epoch 2026-10-30T08:54:14+0000 2026-10-30T14:51:36+0000

    DELTA 1 DEB & ALSAT 1B Collision Probability (Pc) Trend

    DELTA 1 DEB & ALSAT 1B Collision Probability (Pc) TrendNot Available

    DELTA 1 DEB & ALSAT 1B Miss Distance (Miss Distance) Trend

    DELTA 1 DEB & ALSAT 1B Miss Distance (Miss Distance) TrendNot Available

    DELTA 1 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    ALSAT 1BMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DELTA 1 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    ALSAT 1BCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DELTA 1 DEB

    No nearby objects data