Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.552317E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-23T17:38:02+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 60396
    NORAD ID 60396
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter CALSPHERE 2 QIANFAN-18
    Time of Closest Approach 2026-10-25T11:59:39+0000
    Collision Probability (Pc) 1.552317E-5
    Conjunction Distance (km) 1.171 km
    Relative Speed (km/s) 14.603 km/s
    Conjunction Risk Parameters R (Radial): 1.106 | I (In-track): 0.036 | C (Cross-track): -0.384
    Collision Risk Index (CRI) 0.59
    X Position (km) 188.729 188.373
    Position Y (km) 802.385 802.544
    Position Z (km) 7393.127 7394.231
    Velocity X (km/s) -1.402 0.483
    Velocity Y (km/s) -7.135 7.258
    Velocity Z (km/s) 0.797 -0.788

    Orbital Parameters 国际轨道数据源

    Parameter CALSPHERE 2 QIANFAN-18
    Semimajor Axis (a) 7439.713 km 7446.619 km
    Eccentricity (e) 0.001760 0.001481
    Inclination (i) 90.2329° 88.9695°
    RAAN 78.7921° 266.3529°
    Perigee Argument 211.8088° 9.4563°
    Mean Anomaly (M) 279.4714° 350.6864°
    Apogee 1074.669 km 1079.512 km
    Perigee 1048.483 km 1057.452 km
    Orbit Epoch 2026-10-22T20:19:40+0000 2026-10-22T21:18:31+0000

    CALSPHERE 2 & QIANFAN-18 Collision Probability (Pc) Trend

    CALSPHERE 2 & QIANFAN-18 Collision Probability (Pc) TrendNot Available

    CALSPHERE 2 & QIANFAN-18 Miss Distance (Miss Distance) Trend

    CALSPHERE 2 & QIANFAN-18 Miss Distance (Miss Distance) TrendNot Available

    CALSPHERE 2Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-18Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CALSPHERE 2Collision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-18Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CALSPHERE 2

    No nearby objects data