Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.358895E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-30T22:08:53+0800
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    1 Object 1

    AOE ID 34672
    NORAD ID 34672
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 53877
    NORAD ID 53877
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter COSMOS 2251 DEB YUNHAI 1-03
    Time of Closest Approach 2026-10-31T00:21:36+0000
    Collision Probability (Pc) 3.358895E-6
    Conjunction Distance (km) 1.848 km
    Relative Speed (km/s) 13.671 km/s
    Conjunction Risk Parameters R (Radial): -1.845 | I (In-track): 0.031 | C (Cross-track): 0.081
    Collision Risk Index (CRI) 0.46
    X Position (km) 1768.632 1768.26
    Position Y (km) -961.118 -960.864
    Position Z (km) -6882.048 -6880.256
    Velocity X (km/s) 2.248 3.435
    Velocity Y (km/s) 7.079 -6.365
    Velocity Z (km/s) -0.405 1.776

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB YUNHAI 1-03
    Semimajor Axis (a) 7147.342 km 7161.296 km
    Eccentricity (e) 0.002356 0.000464
    Inclination (i) 74.0327° 98.5628°
    RAAN 75.7937° 299.4556°
    Perigee Argument 72.3157° 16.1922°
    Mean Anomaly (M) 301.4549° 343.9409°
    Apogee 786.045 km 786.482 km
    Perigee 752.365 km 779.836 km
    Orbit Epoch 2026-10-29T15:26:06+0000 2026-10-29T23:34:14+0000

    COSMOS 2251 DEB & YUNHAI 1-03 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & YUNHAI 1-03 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & YUNHAI 1-03 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & YUNHAI 1-03 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    YUNHAI 1-03Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    YUNHAI 1-03Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data