Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.27102E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T13:44:47+0800
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    1 Object 1

    AOE ID 34036
    NORAD ID 34036
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 59613
    NORAD ID 59613
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2251 DEB STARLINK-31746
    Time of Closest Approach 2026-09-05T07:46:08+0000
    Collision Probability (Pc) 1.27102E-6
    Conjunction Distance (km) 2.9 km
    Relative Speed (km/s) 12.558 km/s
    Conjunction Risk Parameters R (Radial): -2.733 | I (In-track): 0.54 | C (Cross-track): -0.804
    Collision Risk Index (CRI) 0.37
    X Position (km) 4311.304 4310.341
    Position Y (km) -4708.057 -4705.631
    Position Z (km) -2527.52 -2526.257
    Velocity X (km/s) 3.476 3.251
    Velocity Y (km/s) -0.451 5.325
    Velocity Z (km/s) 6.771 -4.378

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB STARLINK-31746
    Semimajor Axis (a) 6871.157 km 6861.224 km
    Eccentricity (e) 0.001518 0.000107
    Inclination (i) 74.0011° 43.0023°
    RAAN 323.1571° 127.8881°
    Perigee Argument 319.8541° 275.3204°
    Mean Anomaly (M) 40.1536° 84.7525°
    Apogee 503.450 km 483.823 km
    Perigee 482.590 km 482.351 km
    Orbit Epoch 2026-09-03T08:36:50+0000 2026-09-01T16:31:57+0000

    COSMOS 2251 DEB & STARLINK-31746 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & STARLINK-31746 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & STARLINK-31746 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & STARLINK-31746 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31746Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31746Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data