Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.40451E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T19:04:40+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    Name USA 76
    AOE ID 21808
    NORAD ID 21808
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 69301
    NORAD ID 69301
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter USA 76 STARLINK-37630
    Time of Closest Approach 2026-10-20T02:06:53+0000
    Collision Probability (Pc) 1.40451E-6
    Conjunction Distance (km) 2.861 km
    Relative Speed (km/s) 14.488 km/s
    Conjunction Risk Parameters R (Radial): -0.551 | I (In-track): 1.006 | C (Cross-track): 2.621
    Collision Risk Index (CRI) 0.38
    X Position (km) 2163.304 2164.188
    Position Y (km) -2996.594 -2993.905
    Position Z (km) 5753.158 5753.57
    Velocity X (km/s) 7.612 -5.114
    Velocity Y (km/s) 0.7 4.014
    Velocity Z (km/s) -2.075 4.003

    Orbital Parameters 国际轨道数据源

    Parameter USA 76 STARLINK-37630
    Semimajor Axis (a) 7410.574 km 6843.692 km
    Eccentricity (e) 0.088265 0.000107
    Inclination (i) 63.2969° 97.2871°
    RAAN 180.8183° 316.3180°
    Perigee Argument 76.8111° 87.1216°
    Mean Anomaly (M) 292.9782° 273.0150°
    Apogee 1686.529 km 466.291 km
    Perigee 378.345 km 464.819 km
    Orbit Epoch 2026-10-18T19:40:17+0000 2026-10-19T00:48:18+0000

    USA 76 & STARLINK-37630 Collision Probability (Pc) Trend

    USA 76 & STARLINK-37630 Collision Probability (Pc) TrendNot Available

    USA 76 & STARLINK-37630 Miss Distance (Miss Distance) Trend

    USA 76 & STARLINK-37630 Miss Distance (Miss Distance) TrendNot Available

    USA 76Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37630Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    USA 76Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37630Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with USA 76

    No nearby objects data