Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.033087E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T18:28:31+0800
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    1 Object 1

    AOE ID 13029
    NORAD ID 13029
    Object Type DEBRIS
    Country
    CIS CIS
    ← VS →

    2 Object 2

    Name NPSAT1
    AOE ID 44340
    NORAD ID 44340
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SL-8 DEB * NPSAT1
    Time of Closest Approach 2026-10-22T17:17:39+0000
    Collision Probability (Pc) 1.033087E-6
    Conjunction Distance (km) 2.973 km
    Relative Speed (km/s) 9.188 km/s
    Conjunction Risk Parameters R (Radial): -1.391 | I (In-track): 2.088 | C (Cross-track): -1.594
    Collision Risk Index (CRI) 0.35
    X Position (km) -5909.013 -5906.439
    Position Y (km) -2512.736 -2513.978
    Position Z (km) 2836.126 2836.943
    Velocity X (km/s) 3.565 2.823
    Velocity Y (km/s) -0.955 -6.984
    Velocity Z (km/s) 6.57 -0.323

    Orbital Parameters 国际轨道数据源

    Parameter SL-8 DEB * NPSAT1
    Semimajor Axis (a) 7016.557 km 7021.471 km
    Eccentricity (e) 0.000806 0.000729
    Inclination (i) 73.9674° 23.9972°
    RAAN 199.3042° 118.9437°
    Perigee Argument 255.5076° 191.9110°
    Mean Anomaly (M) 223.9164° 168.1214°
    Apogee 644.078 km 648.455 km
    Perigee 632.762 km 638.213 km
    Orbit Epoch 2026-10-20T21:50:02+0000 2026-10-20T19:25:00+0000

    SL-8 DEB * & NPSAT1 Collision Probability (Pc) Trend

    SL-8 DEB * & NPSAT1 Collision Probability (Pc) TrendNot Available

    SL-8 DEB * & NPSAT1 Miss Distance (Miss Distance) Trend

    SL-8 DEB * & NPSAT1 Miss Distance (Miss Distance) TrendNot Available

    SL-8 DEB *Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    NPSAT1Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SL-8 DEB *Collision Probability Trend

    Object 1 Probability TrendNot Available

    NPSAT1Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SL-8 DEB *

    No nearby objects data