Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.246588E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T23:28:12+0800
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    1 Object 1

    AOE ID 30887
    NORAD ID 30887
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    Name RROCI-2
    AOE ID 59106
    NORAD ID 59106
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB RROCI-2
    Time of Closest Approach 2026-10-20T17:38:52+0000
    Collision Probability (Pc) 1.246588E-6
    Conjunction Distance (km) 2.621 km
    Relative Speed (km/s) 9.456 km/s
    Conjunction Risk Parameters R (Radial): 2.536 | I (In-track): -0.526 | C (Cross-track): -0.401
    Collision Risk Index (CRI) 0.37
    X Position (km) 560.911 561.702
    Position Y (km) -1113.648 -1113.746
    Position Z (km) 6825.274 6827.771
    Velocity X (km/s) -7.522 -2.972
    Velocity Y (km/s) 1.188 -6.911
    Velocity Z (km/s) 0.892 -0.87

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB RROCI-2
    Semimajor Axis (a) 7115.228 km 6943.865 km
    Eccentricity (e) 0.026030 0.001566
    Inclination (i) 98.3289° 97.8591°
    RAAN 349.2096° 67.0194°
    Perigee Argument 62.0874° 345.4629°
    Mean Anomaly (M) 300.6414° 14.6141°
    Apogee 922.297 km 576.601 km
    Perigee 551.885 km 554.855 km
    Orbit Epoch 2026-10-19T21:21:27+0000 2026-10-20T02:48:48+0000

    FENGYUN 1C DEB & RROCI-2 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & RROCI-2 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & RROCI-2 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & RROCI-2 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    RROCI-2Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    RROCI-2Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data