🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927.9

Radius: 10

Gravity: 9.28 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.52 AU - 0.58 AU

Year: 277 Days

Day: 11.8 Hours

Environment

Temp: -138 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,219,640 km

• M1: 124,615 km (0.103 R)
• M2: 495,019 km (0.068 R)
• M3: 898,036 km (0.108 R)
• M4: 1,278,463 km (0.054 R)
• M5: 1,677,142 km (0.062 R)
• M6: 2,086,741 km (0.086 R)
• M7: 2,692,762 km (0.094 R)
• M8: 3,490,567 km (0.119 R)
• M9: 3,975,863 km (0.12 R)
• M10: 4,293,459 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.9

Radius: 8.8

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.52 AU - 0.72 AU

Year: 331 Days

Day: 12.4 Hours

Environment

Temp: -143 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,219,640 km

• M1: 109,506 km (0.114 R)
• M2: 453,132 km (0.097 R)
• M3: 729,888 km (0.039 R)
• M4: 1,018,313 km (0.045 R)
• M5: 1,328,579 km (0.071 R)
• M6: 1,608,626 km (0.052 R)
• M7: 2,069,387 km (0.096 R)
• M8: 2,395,959 km (0.097 R)
• M9: 2,756,790 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.1

Radius: 14.2

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.71 AU - 0.75 AU

Year: 423 Days

Day: 11.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,219,640 km

• M1: 176,525 km (0.112 R)
• M2: 619,335 km (0.117 R)
• M3: 1,079,947 km (0.089 R)
• M4: 1,537,866 km (0.113 R)
• M5: 2,032,437 km (0.042 R)
• M6: 2,512,347 km (0.119 R)
• M7: 3,331,395 km (0.085 R)
• M8: 4,487,188 km (0.112 R)
• M9: 4,947,202 km (0.047 R)
• M10: 5,454,638 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.1

Radius: 10.9

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.81 AU - 0.95 AU

Year: 560 Days

Day: 7.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,219,640 km

• M1: 136,134 km (0.11 R)
• M2: 544,835 km (0.061 R)
• M3: 932,444 km (0.029 R)
• M4: 1,342,342 km (0.12 R)
• M5: 1,691,802 km (0.087 R)
• M6: 2,239,331 km (0.049 R)
• M7: 2,868,838 km (0.117 R)
• M8: 3,359,669 km (0.027 R)
• M9: 3,919,913 km (0.106 R)
• M10: 4,376,336 km (0.113 R)
• M11: 5,227,398 km (0.06 R)
• M12: 5,569,529 km (0.063 R)
• M13: 6,185,423 km (0.063 R)
• M14: 6,568,693 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.4

Radius: 10.8

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.34 AU - 1.5 AU

Year: 1148 Days

Day: 6.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,219,640 km

• M1: 138,079 km (0.104 R)
• M2: 507,885 km (0.109 R)
• M3: 855,999 km (0.07 R)
• M4: 1,211,444 km (0.057 R)
• M5: 1,668,016 km (0.091 R)
• M6: 2,569,792 km (0.075 R)
• M7: 3,276,792 km (0.069 R)
• M8: 3,769,717 km (0.091 R)
• M9: 5,310,575 km (0.112 R)
• M10: 5,655,099 km (0.088 R)
• M11: 6,897,509 km (0.102 R)
• M12: 7,684,693 km (0.103 R)
• M13: 9,262,801 km (0.118 R)
• M14: 9,644,425 km (0.068 R)
• M15: 10,407,673 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.4

Radius: 12.4

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 2.86 AU - 4.36 AU

Year: 4652 Days

Day: 12.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 72,219,640 km

• M1: 154,983 km (0.088 R)
• M2: 626,067 km (0.038 R)
• M3: 1,204,263 km (0.078 R)
• M4: 2,127,581 km (0.067 R)
• M5: 2,717,745 km (0.087 R)
• M6: 3,456,010 km (0.082 R)
• M7: 4,420,916 km (0.071 R)
• M8: 4,823,035 km (0.085 R)
• M9: 5,672,452 km (0.119 R)
• M10: 6,179,290 km (0.116 R)
• M11: 7,046,359 km (0.043 R)
• M12: 7,527,166 km (0.029 R)
• M13: 8,103,268 km (0.096 R)
• M14: 9,102,133 km (0.091 R)
• M15: 11,205,778 km (0.084 R)
• M16: 11,719,348 km (0.098 R)
• M17: 12,494,414 km (0.072 R)
• M18: 13,046,879 km (0.111 R)
• M19: 14,417,644 km (0.06 R)
• M20: 15,593,334 km (0.097 R)
• M21: 16,892,442 km (0.119 R)
• M22: 17,881,583 km (0.077 R)
• M23: 19,907,587 km (0.053 R)
• M24: 22,154,996 km (0.077 R)
• M25: 23,871,482 km (0.03 R)
• M26: 24,333,590 km (0.06 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 136.3

Radius: 5.8

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 6.92 AU - 10.94 AU

Year: 18100 Days

Day: 20.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 72,219,640 km

• M1: 80,184 km (0.099 R)
• M2: 265,387 km (0.11 R)
• M3: 496,067 km (0.098 R)
• M4: 736,022 km (0.095 R)
• M5: 1,272,629 km (0.078 R)
• M6: 2,889,932 km (0.094 R)
• M7: 3,606,206 km (0.118 R)
• M8: 4,574,852 km (0.062 R)
• M9: 5,134,648 km (0.056 R)
• M10: 6,144,433 km (0.042 R)
• M11: 7,050,398 km (0.11 R)
• M12: 7,475,854 km (0.078 R)
• M13: 9,675,691 km (0.025 R)
• M14: 13,820,300 km (0.061 R)
• M15: 14,060,105 km (0.1 R)
• M16: 14,363,789 km (0.099 R)
• M17: 15,173,712 km (0.104 R)
• M18: 16,411,634 km (0.069 R)
• M19: 19,760,532 km (0.035 R)
• M20: 21,554,061 km (0.047 R)
• M21: 23,794,589 km (0.066 R)
• M22: 24,574,741 km (0.118 R)
• M23: 26,094,506 km (0.1 R)
• M24: 27,866,044 km (0.041 R)
• M25: 29,815,903 km (0.097 R)
• M26: 30,317,205 km (0.064 R)
• M27: 31,750,652 km (0.109 R)
• M28: 39,600,800 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 509.3

Radius: 5.5

Gravity: 16.84 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 9.25 AU - 10.75 AU

Year: 21448 Days

Day: 23.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 72,219,640 km

• M1: 68,366 km (0.034 R)
• M2: 363,972 km (0.066 R)
• M3: 540,198 km (0.109 R)
• M4: 1,411,157 km (0.082 R)
• M5: 2,345,096 km (0.066 R)
• M6: 2,732,704 km (0.046 R)
• M7: 3,031,152 km (0.096 R)
• M8: 4,414,484 km (0.108 R)
• M9: 4,617,189 km (0.108 R)
• M10: 5,646,272 km (0.119 R)
• M11: 6,341,155 km (0.09 R)
• M12: 7,752,311 km (0.076 R)
• M13: 8,147,848 km (0.118 R)
• M14: 10,038,915 km (0.114 R)
• M15: 10,749,355 km (0.113 R)
• M16: 12,536,750 km (0.077 R)
• M17: 14,000,865 km (0.073 R)
• M18: 15,420,399 km (0.115 R)
• M19: 16,284,775 km (0.069 R)
• M20: 19,160,346 km (0.111 R)
• M21: 19,609,887 km (0.108 R)
• M22: 20,811,607 km (0.093 R)
• M23: 24,185,338 km (0.047 R)
• M24: 25,783,193 km (0.065 R)
• M25: 27,906,436 km (0.055 R)
• M26: 33,653,687 km (0.065 R)
• M27: 41,026,019 km (0.115 R)
• M28: 42,832,713 km (0.112 R)
• M29: 48,073,425 km (0.074 R)
• M30: 50,590,709 km (0.114 R)
• M31: 52,491,499 km (0.067 R)
• M32: 55,703,814 km (0.114 R)
• M33: 56,435,049 km (0.054 R)
• M34: 57,730,117 km (0.071 R)
• M35: 63,108,610 km (0.104 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 383 - 12,872 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit