Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.08208E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T00:15:48+0800
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    1 Object 1

    Name ALSAT 1
    AOE ID 27559
    NORAD ID 27559
    Object Type PAYLOAD
    Country
    DZ DZ
    ← VS →

    2 Object 2

    AOE ID 38055
    NORAD ID 38055
    Object Type DEBRIS
    Country
    CIS CIS

    Conjunction Constraints

    Parameter ALSAT 1 COSMOS 2251 DEB
    Time of Closest Approach 2026-10-28T20:59:43+0000
    Collision Probability (Pc) 2.08208E-6
    Conjunction Distance (km) 2.296 km
    Relative Speed (km/s) 14.917 km/s
    Conjunction Risk Parameters R (Radial): -2.231 | I (In-track): -0.076 | C (Cross-track): -0.532
    Collision Risk Index (CRI) 0.41
    X Position (km) -3022.533 -3023.932
    Position Y (km) 2295.916 2296.355
    Position Z (km) -5905.621 -5907.387
    Velocity X (km/s) -3.659 2.036
    Velocity Y (km/s) 5.288 -6.361
    Velocity Z (km/s) 3.913 -3.46

    Orbital Parameters 国际轨道数据源

    Parameter ALSAT 1 COSMOS 2251 DEB
    Semimajor Axis (a) 7012.620 km 7007.460 km
    Eccentricity (e) 0.001892 0.006341
    Inclination (i) 98.2470° 74.0062°
    RAAN 127.8087° 299.4365°
    Perigee Argument 215.5954° 345.6351°
    Mean Anomaly (M) 144.3996° 26.8918°
    Apogee 647.749 km 673.761 km
    Perigee 621.217 km 584.885 km
    Orbit Epoch 2026-10-26T23:46:32+0000 2026-10-27T06:38:59+0000

    ALSAT 1 & COSMOS 2251 DEB Collision Probability (Pc) Trend

    ALSAT 1 & COSMOS 2251 DEB Collision Probability (Pc) TrendNot Available

    ALSAT 1 & COSMOS 2251 DEB Miss Distance (Miss Distance) Trend

    ALSAT 1 & COSMOS 2251 DEB Miss Distance (Miss Distance) TrendNot Available

    ALSAT 1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ALSAT 1Collision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ALSAT 1

    No nearby objects data