Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.760375E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T22:09:55+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 1272
    NORAD ID 1272
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 45521
    NORAD ID 45521
    Object Type DEBRIS
    Country
    CIS CIS

    Conjunction Constraints

    Parameter PORCUPINE 1 METEOR 2-17 DEB
    Time of Closest Approach 2026-10-29T15:22:31+0000
    Collision Probability (Pc) 1.760375E-6
    Conjunction Distance (km) 2.446 km
    Relative Speed (km/s) 13.891 km/s
    Conjunction Risk Parameters R (Radial): -2.298 | I (In-track): 0.296 | C (Cross-track): -0.779
    Collision Risk Index (CRI) 0.4
    X Position (km) 4938.625 4937.355
    Position Y (km) -1248.249 -1247.077
    Position Z (km) 5217.361 5215.631
    Velocity X (km/s) -3.586 5.378
    Velocity Y (km/s) 4.625 0.064
    Velocity Z (km/s) 4.515 -5.065

    Orbital Parameters 国际轨道数据源

    Parameter PORCUPINE 1 METEOR 2-17 DEB
    Semimajor Axis (a) 7290.882 km 7280.310 km
    Eccentricity (e) 0.002459 0.001801
    Inclination (i) 70.0803° 82.5068°
    RAAN 329.5180° 176.2241°
    Perigee Argument 305.3429° 321.0158°
    Mean Anomaly (M) 54.5378° 38.9710°
    Apogee 930.672 km 915.286 km
    Perigee 894.818 km 889.060 km
    Orbit Epoch 2026-10-27T01:10:01+0000 2026-10-26T09:25:01+0000

    PORCUPINE 1 & METEOR 2-17 DEB Collision Probability (Pc) Trend

    PORCUPINE 1 & METEOR 2-17 DEB Collision Probability (Pc) TrendNot Available

    PORCUPINE 1 & METEOR 2-17 DEB Miss Distance (Miss Distance) Trend

    PORCUPINE 1 & METEOR 2-17 DEB Miss Distance (Miss Distance) TrendNot Available

    PORCUPINE 1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    METEOR 2-17 DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    PORCUPINE 1Collision Probability Trend

    Object 1 Probability TrendNot Available

    METEOR 2-17 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with PORCUPINE 1

    No nearby objects data