🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173.8

Radius: 11.7

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.7 AU - 0.8 AU

Year: 419 Days

Day: 14.2 Hours

Environment

Temp: -141 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 81,040,178 km

• M1: 145,708 km (0.066 R)
• M2: 443,408 km (0.087 R)
• M3: 699,819 km (0.109 R)
• M4: 1,003,802 km (0.063 R)
• M5: 1,252,433 km (0.113 R)
• M6: 1,515,127 km (0.104 R)
• M7: 2,134,612 km (0.098 R)
• M8: 2,396,707 km (0.075 R)
• M9: 2,639,206 km (0.113 R)
• M10: 2,975,651 km (0.117 R)
• M11: 3,516,747 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.7

Radius: 10.7

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1 AU - 1.26 AU

Year: 776 Days

Day: 6.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 81,040,178 km

• M1: 221,704 km (0.058 R)
• M2: 426,952 km (0.092 R)
• M3: 787,334 km (0.102 R)
• M4: 1,104,930 km (0.106 R)
• M5: 1,485,058 km (0.108 R)
• M6: 1,702,274 km (0.077 R)
• M7: 1,996,234 km (0.119 R)
• M8: 2,266,109 km (0.065 R)
• M9: 2,493,348 km (0.105 R)
• M10: 3,845,413 km (0.064 R)
• M11: 4,785,935 km (0.115 R)
• M12: 5,646,272 km (0.109 R)
• M13: 5,913,305 km (0.082 R)
• M14: 6,838,867 km (0.102 R)
• M15: 7,524,773 km (0.099 R)
• M16: 8,021,587 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 211.1

Radius: 8.5

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.09 AU - 1.61 AU

Year: 1013 Days

Day: 9.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 81,040,178 km

• M1: 106,065 km (0.096 R)
• M2: 283,039 km (0.101 R)
• M3: 708,645 km (0.066 R)
• M4: 878,738 km (0.105 R)
• M5: 1,148,762 km (0.063 R)
• M6: 1,459,327 km (0.096 R)
• M7: 1,669,063 km (0.085 R)
• M8: 1,851,872 km (0.029 R)
• M9: 2,396,558 km (0.094 R)
• M10: 2,786,410 km (0.052 R)
• M11: 3,647,944 km (0.111 R)
• M12: 3,900,016 km (0.118 R)
• M13: 4,192,630 km (0.1 R)
• M14: 4,753,323 km (0.115 R)
• M15: 5,520,311 km (0.083 R)
• M16: 6,163,133 km (0.081 R)
• M17: 6,345,942 km (0.099 R)
• M18: 6,652,019 km (0.063 R)
• M19: 6,828,395 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.6

Radius: 10.9

Gravity: 7.55 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.07 AU - 1.63 AU

Year: 1013 Days

Day: 7.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 81,040,178 km

• M1: 143,165 km (0.12 R)
• M2: 395,686 km (0.103 R)
• M3: 861,833 km (0.085 R)
• M4: 1,075,758 km (0.111 R)
• M5: 1,324,540 km (0.099 R)
• M6: 1,594,414 km (0.117 R)
• M7: 1,821,504 km (0.056 R)
• M8: 2,236,339 km (0.109 R)
• M9: 2,686,030 km (0.109 R)
• M10: 2,927,331 km (0.082 R)
• M11: 3,226,377 km (0.099 R)
• M12: 3,442,397 km (0.102 R)
• M13: 3,716,310 km (0.105 R)
• M14: 4,147,601 km (0.07 R)
• M15: 4,760,803 km (0.059 R)
• M16: 5,203,762 km (0.071 R)
• M17: 5,987,356 km (0.103 R)
• M18: 6,366,586 km (0.097 R)
• M19: 7,448,328 km (0.056 R)
• M20: 8,403,062 km (0.115 R)
• M21: 8,813,259 km (0.071 R)
• M22: 9,072,064 km (0.086 R)
• M23: 9,955,439 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.8

Radius: 8.2

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.43 AU - 2.21 AU

Year: 1585 Days

Day: 14.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 81,040,178 km

• M1: 124,615 km (0.07 R)
• M2: 332,257 km (0.099 R)
• M3: 536,458 km (0.082 R)
• M4: 771,327 km (0.025 R)
• M5: 2,092,126 km (0.119 R)
• M6: 2,485,120 km (0.064 R)
• M7: 2,798,228 km (0.041 R)
• M8: 2,991,359 km (0.08 R)
• M9: 3,611,143 km (0.072 R)
• M10: 3,819,982 km (0.034 R)
• M11: 4,890,953 km (0.083 R)
• M12: 5,134,349 km (0.067 R)
• M13: 7,190,870 km (0.119 R)
• M14: 7,916,570 km (0.117 R)
• M15: 8,095,339 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 998.8

Radius: 4.5

Gravity: 49.32 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 5.26 AU - 8.2 AU

Year: 11273 Days

Day: 19 Hours

Environment

Temp: -220 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 81,040,178 km

• M1: 56,249 km (0.034 R)
• M2: 203,004 km (0.115 R)
• M3: 1,542,952 km (0.114 R)
• M4: 1,919,490 km (0.102 R)
• M5: 2,503,670 km (0.105 R)
• M6: 3,086,802 km (0.062 R)
• M7: 4,249,028 km (0.076 R)
• M8: 5,420,380 km (0.068 R)
• M9: 5,708,356 km (0.079 R)
• M10: 10,283,657 km (0.086 R)
• M11: 14,351,522 km (0.103 R)
• M12: 15,838,226 km (0.115 R)
• M13: 16,144,303 km (0.088 R)
• M14: 16,828,264 km (0.103 R)
• M15: 17,207,196 km (0.111 R)
• M16: 17,590,466 km (0.05 R)
• M17: 21,019,099 km (0.115 R)
• M18: 24,449,827 km (0.1 R)
• M19: 24,677,665 km (0.102 R)
• M20: 26,223,310 km (0.065 R)
• M21: 33,494,814 km (0.071 R)
• M22: 36,764,126 km (0.095 R)
• M23: 41,261,786 km (0.077 R)
• M24: 41,458,955 km (0.062 R)
• M25: 44,268,553 km (0.051 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 886.4

Radius: 6.5

Gravity: 20.98 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 9.2 AU - 10.08 AU

Year: 19326 Days

Day: 18.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 81,040,178 km

• M1: 82,129 km (0.089 R)
• M2: 237,561 km (0.049 R)
• M3: 781,050 km (0.091 R)
• M4: 1,170,155 km (0.071 R)
• M5: 2,733,153 km (0.091 R)
• M6: 2,911,923 km (0.09 R)
• M7: 4,179,465 km (0.037 R)
• M8: 4,513,817 km (0.117 R)
• M9: 4,940,470 km (0.112 R)
• M10: 6,070,532 km (0.076 R)
• M11: 6,382,743 km (0.097 R)
• M12: 7,367,246 km (0.071 R)
• M13: 8,371,048 km (0.102 R)
• M14: 10,398,997 km (0.081 R)
• M15: 11,956,610 km (0.071 R)
• M16: 12,457,912 km (0.051 R)
• M17: 15,541,573 km (0.061 R)
• M18: 16,112,738 km (0.111 R)
• M19: 17,361,132 km (0.12 R)
• M20: 19,757,989 km (0.093 R)
• M21: 21,303,784 km (0.027 R)
• M22: 24,838,931 km (0.034 R)
• M23: 27,315,524 km (0.087 R)
• M24: 27,976,896 km (0.102 R)
• M25: 30,701,672 km (0.078 R)
• M26: 32,828,505 km (0.12 R)
• M27: 34,286,186 km (0.04 R)
• M28: 41,701,154 km (0.069 R)
• M29: 41,933,630 km (0.084 R)
• M30: 47,957,038 km (0.092 R)
• M31: 51,378,042 km (0.104 R)
• M32: 53,855,981 km (0.099 R)
• M33: 57,205,777 km (0.067 R)
• M34: 58,987,637 km (0.08 R)
• M35: 62,633,337 km (0.083 R)
• M36: 63,777,163 km (0.049 R)
• M37: 65,366,790 km (0.06 R)
• M38: 69,651,572 km (0.097 R)
• M39: 71,312,407 km (0.102 R)
• M40: 75,472,126 km (0.043 R)
• M41: 76,727,402 km (0.111 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 406 - 18,072 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit