Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.819195E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-15T21:46:23+0800
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    1 Object 1

    AOE ID 2119
    NORAD ID 2119
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 60382
    NORAD ID 60382
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter OPS 1117 (TRANSIT 12) QIANFAN-4
    Time of Closest Approach 2026-10-17T21:40:38+0000
    Collision Probability (Pc) 2.819195E-6
    Conjunction Distance (km) 2.003 km
    Relative Speed (km/s) 14.553 km/s
    Conjunction Risk Parameters R (Radial): -1.987 | I (In-track): 0.004 | C (Cross-track): 0.247
    Collision Risk Index (CRI) 0.44
    X Position (km) -262.664 -262.349
    Position Y (km) -2652.677 -2651.996
    Position Z (km) -6963.883 -6962.027
    Velocity X (km/s) 0.812 -0.304
    Velocity Y (km/s) 6.75 -6.812
    Velocity Z (km/s) -2.54 2.618

    Orbital Parameters 国际轨道数据源

    Parameter OPS 1117 (TRANSIT 12) QIANFAN-4
    Semimajor Axis (a) 7358.242 km 7446.640 km
    Eccentricity (e) 0.014754 0.001422
    Inclination (i) 89.5981° 88.9682°
    RAAN 83.4105° 267.3251°
    Perigee Argument 44.6967° 32.1567°
    Mean Anomaly (M) 316.5979° 328.0449°
    Apogee 1088.671 km 1079.093 km
    Perigee 871.539 km 1057.913 km
    Orbit Epoch 2026-10-15T03:52:16+0000 2026-10-15T06:01:44+0000

    OPS 1117 (TRANSIT 12) & QIANFAN-4 Collision Probability (Pc) Trend

    OPS 1117 (TRANSIT 12) & QIANFAN-4 Collision Probability (Pc) TrendNot Available

    OPS 1117 (TRANSIT 12) & QIANFAN-4 Miss Distance (Miss Distance) Trend

    OPS 1117 (TRANSIT 12) & QIANFAN-4 Miss Distance (Miss Distance) TrendNot Available

    OPS 1117 (TRANSIT 12)Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-4Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    OPS 1117 (TRANSIT 12)Collision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-4Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with OPS 1117 (TRANSIT 12)

    No nearby objects data