🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.3

Radius: 8.7

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.4 AU - 0.62 AU

Year: 243 Days

Day: 11.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 49,272,591 km

• M1: 108,159 km (0.052 R)
• M2: 393,442 km (0.1 R)
• M3: 688,898 km (0.071 R)
• M4: 1,053,468 km (0.09 R)
• M5: 1,777,223 km (0.119 R)
• M6: 2,259,227 km (0.099 R)
• M7: 2,535,684 km (0.117 R)
• M8: 3,515,251 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.4

Radius: 9.8

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.5 AU - 0.6 AU

Year: 272 Days

Day: 10.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 117.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 49,272,591 km

• M1: 121,922 km (0.087 R)
• M2: 430,543 km (0.069 R)
• M3: 757,863 km (0.09 R)
• M4: 1,269,039 km (0.05 R)
• M5: 1,612,067 km (0.095 R)
• M6: 2,258,479 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945

Radius: 9.6

Gravity: 10.25 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.87 AU - 0.91 AU

Year: 560 Days

Day: 9.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,272,591 km

• M1: 119,379 km (0.103 R)
• M2: 726,597 km (0.086 R)
• M3: 1,316,910 km (0.118 R)
• M4: 1,882,091 km (0.116 R)
• M5: 2,580,264 km (0.116 R)
• M6: 2,953,960 km (0.117 R)
• M7: 3,260,934 km (0.071 R)
• M8: 3,562,224 km (0.103 R)
• M9: 4,564,381 km (0.064 R)
• M10: 5,577,308 km (0.09 R)
• M11: 7,051,445 km (0.079 R)
• M12: 7,717,605 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.5

Radius: 14.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 4.17 AU - 4.17 AU

Year: 5679 Days

Day: 10.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,272,591 km

• M1: 199,564 km (0.075 R)
• M2: 662,270 km (0.066 R)
• M3: 1,327,382 km (0.118 R)
• M4: 2,039,019 km (0.103 R)
• M5: 3,878,026 km (0.089 R)
• M6: 8,850,360 km (0.102 R)
• M7: 11,077,124 km (0.117 R)
• M8: 13,462,761 km (0.028 R)
• M9: 16,336,985 km (0.07 R)
• M10: 20,604,863 km (0.075 R)
• M11: 21,447,697 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.9

Radius: 14.7

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 5.67 AU - 5.71 AU

Year: 9051 Days

Day: 12.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,272,591 km

• M1: 320,439 km (0.04 R)
• M2: 934,239 km (0.08 R)
• M3: 1,796,222 km (0.063 R)
• M4: 3,700,154 km (0.109 R)
• M5: 4,515,313 km (0.067 R)
• M6: 6,138,150 km (0.097 R)
• M7: 6,679,246 km (0.053 R)
• M8: 7,923,451 km (0.103 R)
• M9: 9,465,057 km (0.035 R)
• M10: 13,606,076 km (0.088 R)
• M11: 14,729,556 km (0.06 R)
• M12: 16,611,198 km (0.115 R)
• M13: 17,553,365 km (0.077 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 930.1

Radius: 3.1

Gravity: 96.78 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 7.9 AU - 9.38 AU

Year: 16936 Days

Day: 20.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 49,272,591 km

• M1: 39,344 km (0.094 R)
• M2: 178,769 km (0.114 R)
• M3: 508,034 km (0.083 R)
• M4: 1,747,004 km (0.077 R)
• M5: 2,327,743 km (0.07 R)
• M6: 2,949,172 km (0.089 R)
• M7: 3,187,781 km (0.087 R)
• M8: 3,353,984 km (0.112 R)
• M9: 4,109,603 km (0.105 R)
• M10: 5,662,878 km (0.119 R)
• M11: 5,783,902 km (0.111 R)
• M12: 6,157,598 km (0.055 R)
• M13: 6,503,169 km (0.112 R)
• M14: 6,636,012 km (0.078 R)
• M15: 6,815,829 km (0.089 R)
• M16: 7,327,453 km (0.077 R)
• M17: 7,471,366 km (0.06 R)
• M18: 8,531,716 km (0.113 R)
• M19: 9,688,257 km (0.047 R)
• M20: 10,155,152 km (0.101 R)
• M21: 10,394,060 km (0.105 R)
• M22: 12,240,098 km (0.099 R)
• M23: 14,071,026 km (0.111 R)
• M24: 16,564,823 km (0.061 R)
• M25: 17,231,431 km (0.096 R)
• M26: 20,264,228 km (0.11 R)
• M27: 21,512,024 km (0.111 R)
• M28: 21,807,031 km (0.096 R)
• M29: 27,359,356 km (0.117 R)
• M30: 39,505,207 km (0.077 R)
• M31: 41,294,248 km (0.118 R)
• M32: 45,033,148 km (0.03 R)
• M33: 47,980,974 km (0.099 R)
• M34: 52,462,028 km (0.057 R)
• M35: 53,714,462 km (0.112 R)
• M36: 57,402,199 km (0.104 R)
• M37: 58,159,463 km (0.096 R)
• M38: 61,649,731 km (0.096 R)
• M39: 69,043,756 km (0.029 R)
• M40: 70,763,533 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 182.2

Radius: 7.7

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 7.7 AU - 11.74 AU

Year: 20208 Days

Day: 23.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 49,272,591 km

• M1: 95,743 km (0.119 R)
• M2: 564,283 km (0.116 R)
• M3: 827,875 km (0.083 R)
• M4: 1,737,579 km (0.082 R)
• M5: 2,097,661 km (0.089 R)
• M6: 2,526,558 km (0.056 R)
• M7: 4,088,061 km (0.05 R)
• M8: 7,010,455 km (0.086 R)
• M9: 7,925,695 km (0.082 R)
• M10: 8,322,279 km (0.06 R)
• M11: 8,593,949 km (0.032 R)
• M12: 10,144,381 km (0.049 R)
• M13: 12,926,902 km (0.088 R)
• M14: 13,663,372 km (0.081 R)
• M15: 14,886,335 km (0.091 R)
• M16: 16,040,931 km (0.111 R)
• M17: 18,071,124 km (0.112 R)
• M18: 18,604,290 km (0.072 R)
• M19: 19,305,156 km (0.119 R)
• M20: 20,842,275 km (0.071 R)
• M21: 21,259,952 km (0.106 R)
• M22: 22,198,529 km (0.065 R)
• M23: 22,721,972 km (0.083 R)
• M24: 24,341,818 km (0.075 R)
• M25: 29,243,093 km (0.102 R)
• M26: 30,083,833 km (0.06 R)
• M27: 30,724,859 km (0.055 R)
• M28: 34,414,541 km (0.045 R)
• M29: 35,945,676 km (0.104 R)
• M30: 37,521,689 km (0.111 R)
• M31: 39,907,177 km (0.1 R)
• M32: 44,425,182 km (0.118 R)
• M33: 48,978,193 km (0.084 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 262 - 19,219 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit