Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    3.159971E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-25T00:33:39+0800
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    1 Object 1

    AOE ID 902
    NORAD ID 902
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 69417
    NORAD ID 69417
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter CALSPHERE 2 QIANFAN-199
    Time of Closest Approach 2026-10-27T03:02:49+0000
    Collision Probability (Pc) 3.159971E-4
    Conjunction Distance (km) 0.403 km
    Relative Speed (km/s) 14.603 km/s
    Conjunction Risk Parameters R (Radial): -0.379 | I (In-track): 0.017 | C (Cross-track): -0.133
    Collision Risk Index (CRI) 0.85
    X Position (km) 176.357 176.214
    Position Y (km) 741.991 741.963
    Position Z (km) 7398.656 7398.281
    Velocity X (km/s) -1.399 0.433
    Velocity Y (km/s) -7.143 7.269
    Velocity Z (km/s) 0.737 -0.737

    Orbital Parameters 国际轨道数据源

    Parameter CALSPHERE 2 QIANFAN-199
    Semimajor Axis (a) 7439.713 km 7446.619 km
    Eccentricity (e) 0.001772 0.000255
    Inclination (i) 90.2331° 88.9902°
    RAAN 78.8253° 266.7882°
    Perigee Argument 207.4980° 79.6267°
    Mean Anomaly (M) 269.2456° 280.5171°
    Apogee 1074.760 km 1070.381 km
    Perigee 1048.392 km 1066.583 km
    Orbit Epoch 2026-10-24T05:58:53+0000 2026-10-24T05:15:11+0000

    CALSPHERE 2 & QIANFAN-199 Collision Probability (Pc) Trend

    CALSPHERE 2 & QIANFAN-199 Collision Probability (Pc) TrendNot Available

    CALSPHERE 2 & QIANFAN-199 Miss Distance (Miss Distance) Trend

    CALSPHERE 2 & QIANFAN-199 Miss Distance (Miss Distance) TrendNot Available

    CALSPHERE 2Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-199Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CALSPHERE 2Collision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-199Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CALSPHERE 2

    No nearby objects data