Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.00621E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T03:39:36+0800
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    1 Object 1

    AOE ID 55729
    NORAD ID 55729
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 62979
    NORAD ID 62979
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter COSMOS 2499 DEB HULIANWANG DIGUI-19
    Time of Closest Approach 2026-10-27T11:08:10+0000
    Collision Probability (Pc) 4.00621E-6
    Conjunction Distance (km) 1.463 km
    Relative Speed (km/s) 6.107 km/s
    Conjunction Risk Parameters R (Radial): -1.258 | I (In-track): 0.675 | C (Cross-track): -0.317
    Collision Risk Index (CRI) 0.47
    X Position (km) -5528.732 -5527.486
    Position Y (km) 1000.468 999.805
    Position Z (km) 5002.42 5002.038
    Velocity X (km/s) 4.53 1.313
    Velocity Y (km/s) -2.135 -6.607
    Velocity Z (km/s) 5.399 2.764

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 2499 DEB HULIANWANG DIGUI-19
    Semimajor Axis (a) 7705.546 km 7527.452 km
    Eccentricity (e) 0.023355 0.000109
    Inclination (i) 82.4549° 50.0031°
    RAAN 163.9193° 125.7279°
    Perigee Argument 50.6754° 133.7220°
    Mean Anomaly (M) 311.4798° 226.3743°
    Apogee 1507.369 km 1150.134 km
    Perigee 1147.449 km 1148.496 km
    Orbit Epoch 2026-10-26T01:15:07+0000 2026-10-26T05:57:56+0000

    COSMOS 2499 DEB & HULIANWANG DIGUI-19 Collision Probability (Pc) Trend

    COSMOS 2499 DEB & HULIANWANG DIGUI-19 Collision Probability (Pc) TrendNot Available

    COSMOS 2499 DEB & HULIANWANG DIGUI-19 Miss Distance (Miss Distance) Trend

    COSMOS 2499 DEB & HULIANWANG DIGUI-19 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 2499 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    HULIANWANG DIGUI-19Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 2499 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    HULIANWANG DIGUI-19Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 2499 DEB

    No nearby objects data