Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    7.645027E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T05:17:08+0800
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    1 Object 1

    AOE ID 45816
    NORAD ID 45816
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 61554
    NORAD ID 61554
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter FREGAT DEB QIANFAN-21
    Time of Closest Approach 2026-10-21T05:20:17+0000
    Collision Probability (Pc) 7.645027E-7
    Conjunction Distance (km) 2.94 km
    Relative Speed (km/s) 5.191 km/s
    Conjunction Risk Parameters R (Radial): 2.83 | I (In-track): 0.383 | C (Cross-track): 0.698
    Collision Risk Index (CRI) 0.33
    X Position (km) 5264.219 5266.333
    Position Y (km) 4526.318 4527.758
    Position Z (km) 1856.385 1857.833
    Velocity X (km/s) -3.81 -1.561
    Velocity Y (km/s) 3.36 -1.162
    Velocity Z (km/s) 5.993 7.192

    Orbital Parameters 国际轨道数据源

    Parameter FREGAT DEB QIANFAN-21
    Semimajor Axis (a) 8095.889 km 7193.494 km
    Eccentricity (e) 0.158065 0.001253
    Inclination (i) 51.4825° 88.9822°
    RAAN 31.0193° 40.4969°
    Perigee Argument 325.7874° 73.1168°
    Mean Anomaly (M) 25.0269° 287.1396°
    Apogee 2997.432 km 824.372 km
    Perigee 438.072 km 806.342 km
    Orbit Epoch 2026-10-20T07:06:44+0000 2026-10-20T12:23:28+0000

    FREGAT DEB & QIANFAN-21 Collision Probability (Pc) Trend

    FREGAT DEB & QIANFAN-21 Collision Probability (Pc) TrendNot Available

    FREGAT DEB & QIANFAN-21 Miss Distance (Miss Distance) Trend

    FREGAT DEB & QIANFAN-21 Miss Distance (Miss Distance) TrendNot Available

    FREGAT DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-21Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FREGAT DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-21Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FREGAT DEB

    No nearby objects data