Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.69997E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T14:07:37+0800
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    1 Object 1

    AOE ID 34128
    NORAD ID 34128
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 64417
    NORAD ID 64417
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2251 DEB STARLINK-34487
    Time of Closest Approach 2026-09-04T18:08:16+0000
    Collision Probability (Pc) 2.69997E-6
    Conjunction Distance (km) 1.97 km
    Relative Speed (km/s) 12.706 km/s
    Conjunction Risk Parameters R (Radial): 0.072 | I (In-track): 1.092 | C (Cross-track): 1.639
    Collision Risk Index (CRI) 0.44
    X Position (km) 2510.112 2511.556
    Position Y (km) -2965.352 -2964.02
    Position Z (km) -5685.628 -5685.772
    Velocity X (km/s) -0.692 6.744
    Velocity Y (km/s) 6.573 -0.827
    Velocity Z (km/s) -3.757 3.41

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB STARLINK-34487
    Semimajor Axis (a) 6882.950 km 6881.886 km
    Eccentricity (e) 0.002394 0.000358
    Inclination (i) 73.9873° 69.9994°
    RAAN 108.8859° 344.8953°
    Perigee Argument 164.0048° 266.0544°
    Mean Anomaly (M) 351.4300° 24.3718°
    Apogee 521.293 km 506.217 km
    Perigee 488.333 km 501.281 km
    Orbit Epoch 2026-09-03T02:17:28+0000 2026-09-03T20:00:02+0000

    COSMOS 2251 DEB & STARLINK-34487 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & STARLINK-34487 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & STARLINK-34487 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & STARLINK-34487 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34487Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34487Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data