🌌 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: 37.6

Radius: 13.9

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.5 AU - 0.6 AU

Year: 277 Days

Day: 5.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 61,373,116 km

• M1: 173,384 km (0.112 R)
• M2: 937,530 km (0.1 R)
• M3: 1,485,956 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.2

Radius: 14.4

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.95 AU - 0.97 AU

Year: 638 Days

Day: 5.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,373,116 km

• M1: 179,218 km (0.104 R)
• M2: 712,385 km (0.073 R)
• M3: 1,287,439 km (0.11 R)
• M4: 1,988,156 km (0.11 R)
• M5: 2,806,306 km (0.044 R)
• M6: 3,479,048 km (0.086 R)
• M7: 5,062,392 km (0.11 R)
• M8: 6,911,272 km (0.06 R)
• M9: 7,671,977 km (0.061 R)
• M10: 8,290,714 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961.5

Radius: 12.9

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.06 AU - 1.74 AU

Year: 1124 Days

Day: 11.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 129.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,373,116 km

• M1: 160,369 km (0.093 R)
• M2: 620,083 km (0.092 R)
• M3: 1,269,637 km (0.1 R)
• M4: 2,092,126 km (0.032 R)
• M5: 2,592,232 km (0.109 R)
• M6: 3,128,839 km (0.088 R)
• M7: 3,548,162 km (0.116 R)
• M8: 4,939,572 km (0.105 R)
• M9: 5,704,765 km (0.115 R)
• M10: 6,740,431 km (0.119 R)
• M11: 7,213,759 km (0.113 R)
• M12: 8,827,471 km (0.069 R)
• M13: 10,018,869 km (0.114 R)
• M14: 11,523,674 km (0.064 R)
• M15: 12,275,403 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.3

Radius: 9.9

Gravity: 9.45 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.4 AU - 1.66 AU

Year: 1284 Days

Day: 8 Hours

Environment

Temp: -185 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 61,373,116 km

• M1: 124,017 km (0.116 R)
• M2: 811,120 km (0.08 R)
• M3: 1,269,338 km (0.089 R)
• M4: 1,591,871 km (0.113 R)
• M5: 2,585,201 km (0.097 R)
• M6: 3,401,706 km (0.071 R)
• M7: 4,590,261 km (0.05 R)
• M8: 5,473,188 km (0.039 R)
• M9: 5,874,858 km (0.103 R)
• M10: 6,489,705 km (0.08 R)
• M11: 6,812,986 km (0.095 R)
• M12: 7,331,343 km (0.086 R)
• M13: 7,875,879 km (0.096 R)
• M14: 8,623,719 km (0.058 R)
• M15: 9,293,020 km (0.075 R)
• M16: 10,462,277 km (0.062 R)
• M17: 11,117,665 km (0.026 R)
• M18: 12,472,124 km (0.06 R)
• M19: 12,856,441 km (0.034 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.9

Radius: 10.4

Gravity: 8.83 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.2 AU - 2.6 AU

Year: 2522 Days

Day: 10.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 61,373,116 km

• M1: 130,898 km (0.095 R)
• M2: 469,289 km (0.081 R)
• M3: 1,153,848 km (0.109 R)
• M4: 1,760,169 km (0.077 R)
• M5: 2,210,608 km (0.116 R)
• M6: 3,238,644 km (0.109 R)
• M7: 3,568,208 km (0.109 R)
• M8: 5,143,474 km (0.102 R)
• M9: 6,209,060 km (0.109 R)
• M10: 7,829,354 km (0.113 R)
• M11: 9,714,736 km (0.113 R)
• M12: 10,843,602 km (0.097 R)
• M13: 11,629,290 km (0.108 R)
• M14: 12,541,388 km (0.04 R)
• M15: 13,037,754 km (0.107 R)
• M16: 13,735,927 km (0.11 R)
• M17: 16,296,594 km (0.096 R)
• M18: 18,285,497 km (0.027 R)
• M19: 18,690,160 km (0.064 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.7

Radius: 8.9

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 4.16 AU - 5.26 AU

Year: 6933 Days

Day: 6.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,373,116 km

• M1: 110,702 km (0.084 R)
• M2: 407,056 km (0.115 R)
• M3: 824,733 km (0.113 R)
• M4: 1,137,542 km (0.118 R)
• M5: 2,238,134 km (0.075 R)
• M6: 3,075,433 km (0.084 R)
• M7: 3,455,860 km (0.093 R)
• M8: 5,544,995 km (0.087 R)
• M9: 6,529,049 km (0.085 R)
• M10: 8,289,068 km (0.099 R)
• M11: 10,261,367 km (0.109 R)
• M12: 10,724,522 km (0.071 R)
• M13: 12,670,491 km (0.083 R)
• M14: 13,203,807 km (0.102 R)
• M15: 13,853,361 km (0.117 R)
• M16: 14,947,520 km (0.104 R)
• M17: 15,270,352 km (0.119 R)
• M18: 17,782,699 km (0.089 R)
• M19: 20,098,624 km (0.039 R)
• M20: 23,902,000 km (0.1 R)
• M21: 25,320,188 km (0.073 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 397.5

Radius: 5.3

Gravity: 14.15 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 7.76 AU - 10.7 AU

Year: 19019 Days

Day: 17.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 61,373,116 km

• M1: 66,122 km (0.034 R)
• M2: 281,244 km (0.095 R)
• M3: 479,760 km (0.076 R)
• M4: 978,520 km (0.115 R)
• M5: 1,608,028 km (0.105 R)
• M6: 2,056,073 km (0.116 R)
• M7: 3,171,325 km (0.097 R)
• M8: 3,591,845 km (0.046 R)
• M9: 4,940,320 km (0.111 R)
• M10: 5,541,554 km (0.111 R)
• M11: 5,802,901 km (0.093 R)
• M12: 5,994,536 km (0.101 R)
• M13: 6,471,753 km (0.077 R)
• M14: 7,060,122 km (0.08 R)
• M15: 8,937,276 km (0.025 R)
• M16: 10,321,655 km (0.059 R)
• M17: 13,441,069 km (0.091 R)
• M18: 13,981,417 km (0.064 R)
• M19: 14,326,539 km (0.079 R)
• M20: 16,288,366 km (0.119 R)
• M21: 18,422,379 km (0.066 R)
• M22: 19,857,621 km (0.079 R)
• M23: 23,235,990 km (0.06 R)
• M24: 29,383,715 km (0.116 R)
• M25: 30,292,821 km (0.115 R)
• M26: 32,647,043 km (0.115 R)
• M27: 33,010,416 km (0.106 R)
• M28: 36,663,147 km (0.096 R)
• M29: 38,250,231 km (0.059 R)
• M30: 39,882,643 km (0.041 R)
• M31: 42,705,405 km (0.052 R)
• M32: 45,057,532 km (0.103 R)
• M33: 47,031,027 km (0.085 R)
• M34: 51,639,539 km (0.103 R)
• M35: 55,501,857 km (0.071 R)
• M36: 57,239,436 km (0.109 R)
• M37: 59,372,104 km (0.044 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 173 - 15,209 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit