Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.430067E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-30T14:39:48+0800
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    1 Object 1

    Name TIROS 5
    AOE ID 309
    NORAD ID 309
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 30141
    NORAD ID 30141
    Object Type DEBRIS
    Country
    CN CN

    Conjunction Constraints

    Parameter TIROS 5 FENGYUN 1C DEB
    Time of Closest Approach 2026-11-01T04:02:25+0000
    Collision Probability (Pc) 1.430067E-6
    Conjunction Distance (km) 2.842 km
    Relative Speed (km/s) 14.721 km/s
    Conjunction Risk Parameters R (Radial): 2.666 | I (In-track): 0.227 | C (Cross-track): -0.959
    Collision Risk Index (CRI) 0.38
    X Position (km) 1533.965 1533.633
    Position Y (km) 6899.644 6902.458
    Position Z (km) 266.006 265.792
    Velocity X (km/s) -3.959 1.214
    Velocity Y (km/s) 0.483 0.032
    Velocity Z (km/s) 6.361 -7.413

    Orbital Parameters 国际轨道数据源

    Parameter TIROS 5 FENGYUN 1C DEB
    Semimajor Axis (a) 7068.808 km 7080.928 km
    Eccentricity (e) 0.018876 0.001503
    Inclination (i) 58.0886° 99.0240°
    RAAN 86.1890° 254.0469°
    Perigee Argument 91.3445° 142.8786°
    Mean Anomaly (M) 270.9216° 217.3452°
    Apogee 824.104 km 713.433 km
    Perigee 557.238 km 692.149 km
    Orbit Epoch 2026-10-29T10:19:39+0000 2026-10-29T07:39:18+0000

    TIROS 5 & FENGYUN 1C DEB Collision Probability (Pc) Trend

    TIROS 5 & FENGYUN 1C DEB Collision Probability (Pc) TrendNot Available

    TIROS 5 & FENGYUN 1C DEB Miss Distance (Miss Distance) Trend

    TIROS 5 & FENGYUN 1C DEB Miss Distance (Miss Distance) TrendNot Available

    TIROS 5Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TIROS 5Collision Probability Trend

    Object 1 Probability TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TIROS 5

    No nearby objects data