Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    6.629047E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T14:31:14+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 64029
    NORAD ID 64029
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2251 DEB STARLINK-33790
    Time of Closest Approach 2026-09-04T11:06:47+0000
    Collision Probability (Pc) 6.629047E-6
    Conjunction Distance (km) 1.471 km
    Relative Speed (km/s) 13.252 km/s
    Conjunction Risk Parameters R (Radial): -0.273 | I (In-track): -0.706 | C (Cross-track): -1.26
    Collision Risk Index (CRI) 0.51
    X Position (km) 4284.762 4284.554
    Position Y (km) -278.701 -280.134
    Position Z (km) -5349.919 -5349.66
    Velocity X (km/s) -5.08 5.236
    Velocity Y (km/s) 3.741 3.83
    Velocity Z (km/s) -4.324 3.993

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB STARLINK-33790
    Semimajor Axis (a) 6911.875 km 6855.373 km
    Eccentricity (e) 0.010320 0.000295
    Inclination (i) 73.8334° 70.0013°
    RAAN 159.3346° 24.9100°
    Perigee Argument 203.6559° 278.2477°
    Mean Anomaly (M) 155.9871° 159.3637°
    Apogee 605.072 km 479.261 km
    Perigee 462.404 km 475.211 km
    Orbit Epoch 2026-09-02T10:24:14+0000 2026-09-03T20:00:02+0000

    COSMOS 2251 DEB & STARLINK-33790 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & STARLINK-33790 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & STARLINK-33790 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & STARLINK-33790 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33790Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33790Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data