Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.7835E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-15T20:36:02+0800
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    1 Object 1

    AOE ID 34816
    NORAD ID 34816
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 63171
    NORAD ID 63171
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter COSMOS 2251 DEB QIANFAN-85
    Time of Closest Approach 2026-10-15T19:39:53+0000
    Collision Probability (Pc) 1.7835E-6
    Conjunction Distance (km) 2.128 km
    Relative Speed (km/s) 8.808 km/s
    Conjunction Risk Parameters R (Radial): -2.058 | I (In-track): 0.393 | C (Cross-track): 0.368
    Collision Risk Index (CRI) 0.4
    X Position (km) 529.641 529.898
    Position Y (km) -2048.474 -2048.242
    Position Z (km) -7142.571 -7140.472
    Velocity X (km/s) 7.248 2.203
    Velocity Y (km/s) 0.432 -6.654
    Velocity Z (km/s) 0.697 2.079

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2251 DEB QIANFAN-85
    Semimajor Axis (a) 7418.130 km 7446.630 km
    Eccentricity (e) 0.037335 0.001205
    Inclination (i) 73.8891° 88.9622°
    RAAN 3.9572° 288.0649°
    Perigee Argument 13.1019° 329.4150°
    Mean Anomaly (M) 0.5366° 30.6297°
    Apogee 1316.950 km 1077.470 km
    Perigee 763.036 km 1059.516 km
    Orbit Epoch 2026-10-14T12:19:51+0000 2026-10-15T07:35:06+0000

    COSMOS 2251 DEB & QIANFAN-85 Collision Probability (Pc) Trend

    COSMOS 2251 DEB & QIANFAN-85 Collision Probability (Pc) TrendNot Available

    COSMOS 2251 DEB & QIANFAN-85 Miss Distance (Miss Distance) Trend

    COSMOS 2251 DEB & QIANFAN-85 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-85Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-85Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2251 DEB

    No nearby objects data