Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.087908E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-11-03T16:01:49+0800
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    1 Object 1

    Name TIROS 1
    AOE ID 29
    NORAD ID 29
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 44819
    NORAD ID 44819
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter TIROS 1 GAOFEN 12
    Time of Closest Approach 2026-11-05T11:51:28+0000
    Collision Probability (Pc) 3.087908E-6
    Conjunction Distance (km) 1.881 km
    Relative Speed (km/s) 12.938 km/s
    Conjunction Risk Parameters R (Radial): -0.926 | I (In-track): -0.841 | C (Cross-track): 1.404
    Collision Risk Index (CRI) 0.45
    X Position (km) -3743.137 -3741.259
    Position Y (km) 3096.156 3096.172
    Position Z (km) 5043.852 5043.949
    Velocity X (km/s) -3.394 -3.168
    Velocity Y (km/s) -6.574 4.542
    Velocity Z (km/s) 1.491 -5.125

    Orbital Parameters 国际轨道数据源

    Parameter TIROS 1 GAOFEN 12
    Semimajor Axis (a) 7010.877 km 7005.731 km
    Eccentricity (e) 0.002195 0.000088
    Inclination (i) 48.3776° 97.8150°
    RAAN 86.2438° 309.6629°
    Perigee Argument 146.9804° 48.6669°
    Mean Anomaly (M) 213.2485° 311.4619°
    Apogee 648.130 km 628.208 km
    Perigee 617.350 km 626.980 km
    Orbit Epoch 2026-11-02T17:02:27+0000 2026-11-02T21:37:18+0000

    TIROS 1 & GAOFEN 12 Collision Probability (Pc) Trend

    TIROS 1 & GAOFEN 12 Collision Probability (Pc) TrendNot Available

    TIROS 1 & GAOFEN 12 Miss Distance (Miss Distance) Trend

    TIROS 1 & GAOFEN 12 Miss Distance (Miss Distance) TrendNot Available

    TIROS 1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    GAOFEN 12Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TIROS 1Collision Probability Trend

    Object 1 Probability TrendNot Available

    GAOFEN 12Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TIROS 1

    No nearby objects data