Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.671866E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-30T19:00:19+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 29763
    NORAD ID 29763
    Object Type DEBRIS
    Country
    CN CN

    Conjunction Constraints

    Parameter TIROS 5 FENGYUN 1C DEB
    Time of Closest Approach 2026-11-01T14:55:45+0000
    Collision Probability (Pc) 2.671866E-6
    Conjunction Distance (km) 2.035 km
    Relative Speed (km/s) 14.243 km/s
    Conjunction Risk Parameters R (Radial): -1.123 | I (In-track): -0.493 | C (Cross-track): 1.623
    Collision Risk Index (CRI) 0.44
    X Position (km) 1758.631 1760.492
    Position Y (km) -4972.479 -4973.287
    Position Z (km) -4857.724 -4857.882
    Velocity X (km/s) 3.876 0.175
    Velocity Y (km/s) 4.992 -5.163
    Velocity Z (km/s) -3.851 5.425

    Orbital Parameters 国际轨道数据源

    Parameter TIROS 5 FENGYUN 1C DEB
    Semimajor Axis (a) 7068.808 km 7244.033 km
    Eccentricity (e) 0.018876 0.012732
    Inclination (i) 58.0886° 98.7993°
    RAAN 86.1890° 278.6050°
    Perigee Argument 91.3445° 356.0574°
    Mean Anomaly (M) 270.9216° 32.0808°
    Apogee 824.104 km 958.126 km
    Perigee 557.238 km 773.666 km
    Orbit Epoch 2026-10-29T10:19:39+0000 2026-10-29T20:45:14+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