Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.576392E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-11-03T16:08:44+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 25479
    NORAD ID 25479
    Object Type PAYLOAD
    Country
    ORB ORB

    Conjunction Constraints

    Parameter TIROS 3 ORBCOMM FM 25
    Time of Closest Approach 2026-11-03T16:30:32+0000
    Collision Probability (Pc) 3.576392E-6
    Conjunction Distance (km) 1.487 km
    Relative Speed (km/s) 5.564 km/s
    Conjunction Risk Parameters R (Radial): -0.719 | I (In-track): 1.208 | C (Cross-track): -0.486
    Collision Risk Index (CRI) 0.46
    X Position (km) -4536.786 -4536.955
    Position Y (km) 2757.84 2756.423
    Position Z (km) 4768.804 4768.386
    Velocity X (km/s) -1.633 -5.014
    Velocity Y (km/s) -6.88 -5.267
    Velocity Z (km/s) 2.387 -1.727

    Orbital Parameters 国际轨道数据源

    Parameter TIROS 3 ORBCOMM FM 25
    Semimajor Axis (a) 7118.743 km 7139.008 km
    Eccentricity (e) 0.004396 0.000613
    Inclination (i) 47.8981° 45.0079°
    RAAN 98.2277° 38.0668°
    Perigee Argument 200.4982° 239.3654°
    Mean Anomaly (M) 159.4148° 120.6591°
    Apogee 771.898 km 765.248 km
    Perigee 709.314 km 756.494 km
    Orbit Epoch 2026-11-02T20:18:08+0000 2026-11-02T13:21:01+0000

    TIROS 3 & ORBCOMM FM 25 Collision Probability (Pc) Trend

    TIROS 3 & ORBCOMM FM 25 Collision Probability (Pc) TrendNot Available

    TIROS 3 & ORBCOMM FM 25 Miss Distance (Miss Distance) Trend

    TIROS 3 & ORBCOMM FM 25 Miss Distance (Miss Distance) TrendNot Available

    TIROS 3Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    ORBCOMM FM 25Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TIROS 3Collision Probability Trend

    Object 1 Probability TrendNot Available

    ORBCOMM FM 25Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TIROS 3

    No nearby objects data