Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.757737E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-30T14:36:17+0800
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    1 Object 1

    Name TIROS 3
    AOE ID 162
    NORAD ID 162
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 34116
    NORAD ID 34116
    Object Type DEBRIS
    Country
    CIS CIS

    Conjunction Constraints

    Parameter TIROS 3 COSMOS 2251 DEB
    Time of Closest Approach 2026-11-01T03:41:09+0000
    Collision Probability (Pc) 1.757737E-6
    Conjunction Distance (km) 2.404 km
    Relative Speed (km/s) 13.119 km/s
    Conjunction Risk Parameters R (Radial): -0.013 | I (In-track): -1.168 | C (Cross-track): -2.099
    Collision Risk Index (CRI) 0.4
    X Position (km) 2459.05 2456.836
    Position Y (km) -6620.823 -6621.581
    Position Z (km) -606.453 -606.997
    Velocity X (km/s) 4.575 2.156
    Velocity Y (km/s) 2.205 0.139
    Velocity Z (km/s) -5.542 7.184

    Orbital Parameters 国际轨道数据源

    Parameter TIROS 3 COSMOS 2251 DEB
    Semimajor Axis (a) 7118.747 km 7088.816 km
    Eccentricity (e) 0.004379 0.001352
    Inclination (i) 47.8976° 74.0387°
    RAAN 116.1520° 295.9151°
    Perigee Argument 183.8792° 290.0032°
    Mean Anomaly (M) 176.1768° 97.8248°
    Apogee 771.781 km 720.263 km
    Perigee 709.439 km 701.095 km
    Orbit Epoch 2026-10-29T21:44:12+0000 2026-10-29T23:01:03+0000

    TIROS 3 & COSMOS 2251 DEB Collision Probability (Pc) Trend

    TIROS 3 & COSMOS 2251 DEB Collision Probability (Pc) TrendNot Available

    TIROS 3 & COSMOS 2251 DEB Miss Distance (Miss Distance) Trend

    TIROS 3 & COSMOS 2251 DEB Miss Distance (Miss Distance) TrendNot Available

    TIROS 3Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    COSMOS 2251 DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TIROS 3Collision Probability Trend

    Object 1 Probability TrendNot Available

    COSMOS 2251 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TIROS 3

    No nearby objects data