Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.765332E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T16:42:07+0800
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    1 Object 1

    AOE ID 34115
    NORAD ID 34115
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    Name YAM-12
    AOE ID 69003
    NORAD ID 69003
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter COSMOS 2251 DEB YAM-12
    Time of Closest Approach 2026-10-22T17:53:37+0000
    Collision Probability (Pc) 1.765332E-6
    Conjunction Distance (km) 2.48 km
    Relative Speed (km/s) 14.582 km/s
    Conjunction Risk Parameters R (Radial): -2.342 | I (In-track): 0.206 | C (Cross-track): -0.787
    Collision Risk Index (CRI) 0.4
    X Position (km) 1969.132 1968.539
    Position Y (km) 1294.72 1295.076
    Position Z (km) 6558.996 6556.615
    Velocity X (km/s) -6.839 7.113
    Velocity Y (km/s) 2.89 1.058
    Velocity Z (km/s) 1.479 -2.339

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB YAM-12
    Semimajor Axis (a) 6995.536 km 6974.665 km
    Eccentricity (e) 0.002689 0.000139
    Inclination (i) 74.0065° 97.7729°
    RAAN 344.6705° 189.2647°
    Perigee Argument 85.7950° 68.2309°
    Mean Anomaly (M) 274.6300° 291.9057°
    Apogee 636.210 km 597.499 km
    Perigee 598.588 km 595.557 km
    Orbit Epoch 2026-10-20T13:45:47+0000 2026-10-20T23:31:05+0000

    COSMOS 2251 DEB & YAM-12 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & YAM-12 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & YAM-12 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & YAM-12 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    YAM-12Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    YAM-12Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data