Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.445429E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T23:33:40+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 26365
    NORAD ID 26365
    Object Type PAYLOAD
    Country
    CIS CIS
    ← VS →

    2 Object 2

    AOE ID 58741
    NORAD ID 58741
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SIMSAT 1 STARLINK-31148
    Time of Closest Approach 2026-10-29T21:36:13+0000
    Collision Probability (Pc) 1.445429E-6
    Conjunction Distance (km) 2.483 km
    Relative Speed (km/s) 10.438 km/s
    Conjunction Risk Parameters R (Radial): -1.659 | I (In-track): -1.352 | C (Cross-track): 1.257
    Collision Risk Index (CRI) 0.38
    X Position (km) 1811.009 1812.153
    Position Y (km) 4678.686 4677.846
    Position Z (km) 4675.922 4673.885
    Velocity X (km/s) -2.492 -7.063
    Velocity Y (km/s) -4.598 2.871
    Velocity Z (km/s) 5.545 -0.135

    Orbital Parameters 国际轨道数据源

    Parameter SIMSAT 1 STARLINK-31148
    Semimajor Axis (a) 6858.226 km 6861.200 km
    Eccentricity (e) 0.000745 0.000306
    Inclination (i) 86.3424° 43.0126°
    RAAN 66.8111° 352.0299°
    Perigee Argument 184.7924° 253.9267°
    Mean Anomaly (M) 175.3254° 106.1248°
    Apogee 485.200 km 485.163 km
    Perigee 474.978 km 480.963 km
    Orbit Epoch 2026-10-27T01:51:18+0000 2026-10-27T04:51:54+0000

    SIMSAT 1 & STARLINK-31148 Collision Probability (Pc) Trend

    SIMSAT 1 & STARLINK-31148 Collision Probability (Pc) TrendNot Available

    SIMSAT 1 & STARLINK-31148 Miss Distance (Miss Distance) Trend

    SIMSAT 1 & STARLINK-31148 Miss Distance (Miss Distance) TrendNot Available

    SIMSAT 1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31148Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SIMSAT 1Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31148Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SIMSAT 1

    No nearby objects data