Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.013968E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-02T18:28:24+0800
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    1 Object 1

    AOE ID 36441
    NORAD ID 36441
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 48596
    NORAD ID 48596
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2251 DEB STARLINK-2253
    Time of Closest Approach 2026-09-03T22:20:52+0000
    Collision Probability (Pc) 2.013968E-6
    Conjunction Distance (km) 2.206 km
    Relative Speed (km/s) 12.258 km/s
    Conjunction Risk Parameters R (Radial): -1.937 | I (In-track): -0.643 | C (Cross-track): 0.835
    Collision Risk Index (CRI) 0.41
    X Position (km) 5149.14 5150.599
    Position Y (km) -863.915 -863.124
    Position Z (km) -4437.123 -4438.575
    Velocity X (km/s) -4.066 3.994
    Velocity Y (km/s) 3.52 5.413
    Velocity Z (km/s) -5.454 3.585

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB STARLINK-2253
    Semimajor Axis (a) 6911.909 km 6848.856 km
    Eccentricity (e) 0.010323 0.000099
    Inclination (i) 73.8335° 53.1604°
    RAAN 162.2445° 39.7467°
    Perigee Argument 206.7852° 97.5500°
    Mean Anomaly (M) 152.7989° 262.5613°
    Apogee 605.125 km 471.395 km
    Perigee 462.419 km 470.043 km
    Orbit Epoch 2026-09-01T01:01:47+0000 2026-09-01T20:28:17+0000

    COSMOS 2251 DEB & STARLINK-2253 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & STARLINK-2253 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & STARLINK-2253 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & STARLINK-2253 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-2253Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-2253Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data