🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600.7

Radius: 11.4

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.59 AU - 0.61 AU

Year: 321 Days

Day: 11.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 70,168,623 km

• M1: 141,819 km (0.059 R)
• M2: 542,891 km (0.042 R)
• M3: 1,013,376 km (0.09 R)
• M4: 1,655,749 km (0.102 R)
• M5: 2,128,479 km (0.072 R)
• M6: 2,501,725 km (0.099 R)
• M7: 3,404,399 km (0.079 R)
• M8: 4,393,989 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.2

Radius: 15

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 3.47 AU - 5.73 AU

Year: 6810 Days

Day: 9.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 70,168,623 km

• M1: 186,698 km (0.094 R)
• M2: 693,536 km (0.096 R)
• M3: 1,308,832 km (0.106 R)
• M4: 1,997,580 km (0.07 R)
• M5: 2,941,842 km (0.061 R)
• M6: 3,561,177 km (0.096 R)
• M7: 5,150,206 km (0.046 R)
• M8: 5,651,209 km (0.107 R)
• M9: 6,480,729 km (0.116 R)
• M10: 7,537,489 km (0.105 R)
• M11: 8,747,436 km (0.111 R)
• M12: 9,464,010 km (0.101 R)
• M13: 10,356,960 km (0.079 R)
• M14: 12,156,473 km (0.092 R)
• M15: 12,624,116 km (0.103 R)
• M16: 13,212,035 km (0.081 R)
• M17: 15,810,101 km (0.104 R)
• M18: 18,527,247 km (0.028 R)
• M19: 22,616,505 km (0.089 R)
• M20: 24,540,334 km (0.095 R)
• M21: 26,225,105 km (0.071 R)
• M22: 27,449,564 km (0.097 R)
• M23: 30,773,180 km (0.117 R)
• M24: 31,449,362 km (0.079 R)
• M25: 34,459,720 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.7

Radius: 13.6

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 3.54 AU - 5.66 AU

Year: 6810 Days

Day: 13.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 70,168,623 km

• M1: 169,195 km (0.119 R)
• M2: 646,861 km (0.102 R)
• M3: 1,234,781 km (0.057 R)
• M4: 1,666,670 km (0.114 R)
• M5: 2,285,407 km (0.03 R)
• M6: 3,846,460 km (0.088 R)
• M7: 4,402,516 km (0.064 R)
• M8: 5,624,132 km (0.037 R)
• M9: 6,400,994 km (0.101 R)
• M10: 7,216,900 km (0.098 R)
• M11: 8,481,302 km (0.058 R)
• M12: 10,006,153 km (0.038 R)
• M13: 10,937,848 km (0.092 R)
• M14: 11,489,565 km (0.119 R)
• M15: 13,448,400 km (0.114 R)
• M16: 15,252,401 km (0.115 R)
• M17: 16,376,479 km (0.057 R)
• M18: 19,397,309 km (0.094 R)
• M19: 20,143,952 km (0.096 R)
• M20: 20,780,640 km (0.099 R)
• M21: 22,161,728 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 483.3

Radius: 8.6

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 4.8 AU - 6.17 AU

Year: 8855 Days

Day: 13 Hours

Environment

Temp: -230 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,168,623 km

• M1: 109,057 km (0.117 R)
• M2: 578,196 km (0.116 R)
• M3: 1,104,182 km (0.061 R)
• M4: 1,862,643 km (0.11 R)
• M5: 3,162,050 km (0.055 R)
• M6: 4,207,141 km (0.067 R)
• M7: 4,583,828 km (0.076 R)
• M8: 5,624,581 km (0.079 R)
• M9: 8,414,731 km (0.112 R)
• M10: 10,154,703 km (0.037 R)
• M11: 12,175,621 km (0.116 R)
• M12: 14,450,855 km (0.115 R)
• M13: 17,882,929 km (0.083 R)
• M14: 19,898,910 km (0.118 R)
• M15: 20,501,640 km (0.114 R)
• M16: 20,961,654 km (0.08 R)
• M17: 24,979,852 km (0.109 R)
• M18: 33,118,425 km (0.075 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 82.5

Radius: 7.9

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 8.39 AU - 8.83 AU

Year: 17439 Days

Day: 18.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,168,623 km

• M1: 117,734 km (0.088 R)
• M2: 519,703 km (0.065 R)
• M3: 1,146,817 km (0.092 R)
• M4: 3,011,256 km (0.069 R)
• M5: 3,514,353 km (0.043 R)
• M6: 6,136,056 km (0.113 R)
• M7: 7,633,531 km (0.116 R)
• M8: 13,732,187 km (0.118 R)
• M9: 16,139,965 km (0.078 R)
• M10: 17,937,383 km (0.063 R)
• M11: 23,402,493 km (0.111 R)
• M12: 27,516,135 km (0.081 R)
• M13: 32,382,703 km (0.067 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 583

Radius: 4.4

Gravity: 30.11 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 8.94 AU - 9.42 AU

Year: 19199 Days

Day: 15.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 70,168,623 km

• M1: 55,202 km (0.096 R)
• M2: 194,926 km (0.117 R)
• M3: 347,366 km (0.09 R)
• M4: 801,246 km (0.091 R)
• M5: 976,276 km (0.078 R)
• M6: 1,404,275 km (0.089 R)
• M7: 1,593,816 km (0.065 R)
• M8: 5,102,335 km (0.09 R)
• M9: 5,551,876 km (0.038 R)
• M10: 5,905,974 km (0.073 R)
• M11: 6,233,294 km (0.062 R)
• M12: 7,334,185 km (0.12 R)
• M13: 8,456,020 km (0.114 R)
• M14: 10,434,152 km (0.109 R)
• M15: 11,593,087 km (0.094 R)
• M16: 11,976,357 km (0.108 R)
• M17: 14,454,595 km (0.068 R)
• M18: 15,891,034 km (0.103 R)
• M19: 16,764,835 km (0.106 R)
• M20: 16,926,999 km (0.095 R)
• M21: 17,922,573 km (0.108 R)
• M22: 19,667,482 km (0.055 R)
• M23: 21,906,813 km (0.115 R)
• M24: 23,592,183 km (0.055 R)
• M25: 26,884,233 km (0.07 R)
• M26: 32,064,060 km (0.092 R)
• M27: 32,439,550 km (0.115 R)
• M28: 37,040,732 km (0.089 R)
• M29: 38,431,095 km (0.102 R)
• M30: 39,568,038 km (0.073 R)
• M31: 42,961,666 km (0.102 R)
• M32: 44,185,975 km (0.047 R)
• M33: 44,651,075 km (0.039 R)
• M34: 47,510,339 km (0.09 R)
• M35: 47,998,477 km (0.118 R)
• M36: 48,819,320 km (0.035 R)
• M37: 49,316,434 km (0.102 R)
• M38: 55,187,402 km (0.107 R)
• M39: 62,865,663 km (0.112 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 323 - 13,562 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit