Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.03383E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T21:18:35+0800
    View CDM
    Download CDM 1.0

    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) 1.03383E-6
    Conjunction Distance (km) 2.971 km
    Relative Speed (km/s) 9.188 km/s
    Conjunction Risk Parameters R (Radial): 1.382 | I (In-track): -2.081 | C (Cross-track): -1.606
    Collision Risk Index (CRI) 0.35
    X Position (km) -5909.015 -5906.447
    Position Y (km) -2512.708 -2513.957
    Position Z (km) 2836.123 2836.944
    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) 7016.552 km 7021.471 km
    Eccentricity (e) 0.000806 0.000729
    Inclination (i) 73.9674° 23.9972°
    RAAN 198.7564° 118.9437°
    Perigee Argument 255.0003° 191.9110°
    Mean Anomaly (M) 263.2477° 168.1214°
    Apogee 644.071 km 648.455 km
    Perigee 632.759 km 638.213 km
    Orbit Epoch 2026-10-21T04:30:39+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