Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    5.639815E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-11-02T15:27:02+0800
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    1 Object 1

    AOE ID 21576
    NORAD ID 21576
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    Name NISAR
    AOE ID 65053
    NORAD ID 65053
    Object Type PAYLOAD
    Country
    IN IN

    Conjunction Constraints

    Parameter ORBCOMM-X NISAR
    Time of Closest Approach 2026-11-02T09:26:36+0000
    Collision Probability (Pc) 5.639815E-6
    Conjunction Distance (km) 1.544 km
    Relative Speed (km/s) 13.163 km/s
    Conjunction Risk Parameters R (Radial): 1.543 | I (In-track): -0.016 | C (Cross-track): 0.045
    Collision Risk Index (CRI) 0.5
    X Position (km) -2053.619 -2054.074
    Position Y (km) 777.417 777.539
    Position Z (km) -6788.662 -6790.132
    Velocity X (km/s) 7.105 -4.588
    Velocity Y (km/s) 1.046 5.529
    Velocity Z (km/s) -2.032 2.022

    Orbital Parameters 国际轨道数据源

    Parameter ORBCOMM-X NISAR
    Semimajor Axis (a) 7124.624 km 7128.374 km
    Eccentricity (e) 0.000481 0.000125
    Inclination (i) 98.2794° 98.4057°
    RAAN 5.2986° 131.5995°
    Perigee Argument 103.4376° 88.9975°
    Mean Anomaly (M) 256.7352° 271.1358°
    Apogee 749.915 km 751.129 km
    Perigee 743.059 km 749.345 km
    Orbit Epoch 2026-11-01T15:38:11+0000 2026-11-01T22:08:00+0000

    ORBCOMM-X & NISAR Collision Probability (Pc) Trend

    ORBCOMM-X & NISAR Collision Probability (Pc) TrendNot Available

    ORBCOMM-X & NISAR Miss Distance (Miss Distance) Trend

    ORBCOMM-X & NISAR Miss Distance (Miss Distance) TrendNot Available

    ORBCOMM-XMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    NISARMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ORBCOMM-XCollision Probability Trend

    Object 1 Probability TrendNot Available

    NISARCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ORBCOMM-X

    No nearby objects data