🌌 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: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217

Radius: 13.5

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.45 AU - 0.73 AU

Year: 319 Days

Day: 9.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 47,106,740 km

• M1: 167,849 km (0.108 R)
• M2: 595,998 km (0.077 R)
• M3: 1,019,659 km (0.114 R)
• M4: 1,573,770 km (0.098 R)
• M5: 2,027,799 km (0.087 R)
• M6: 2,462,082 km (0.036 R)
• M7: 2,933,016 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64.4

Radius: 12.5

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 2.88 AU - 4 AU

Year: 4485 Days

Day: 5.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,106,740 km

• M1: 155,432 km (0.114 R)
• M2: 564,882 km (0.077 R)
• M3: 1,274,574 km (0.117 R)
• M4: 2,119,802 km (0.028 R)
• M5: 2,578,768 km (0.102 R)
• M6: 3,462,293 km (0.114 R)
• M7: 5,498,619 km (0.1 R)
• M8: 6,662,790 km (0.089 R)
• M9: 9,850,721 km (0.115 R)
• M10: 10,400,642 km (0.109 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 243.4

Radius: 3.6

Gravity: 18.78 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 5.23 AU - 8.29 AU

Year: 12355 Days

Day: 24.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 47,106,740 km

• M1: 44,730 km (0.083 R)
• M2: 329,863 km (0.115 R)
• M3: 997,070 km (0.07 R)
• M4: 1,791,584 km (0.05 R)
• M5: 2,677,203 km (0.028 R)
• M6: 3,895,080 km (0.096 R)
• M7: 4,124,413 km (0.104 R)
• M8: 4,309,017 km (0.057 R)
• M9: 10,328,237 km (0.094 R)
• M10: 11,016,836 km (0.09 R)
• M11: 12,213,769 km (0.083 R)
• M12: 15,109,385 km (0.077 R)
• M13: 15,611,585 km (0.079 R)
• M14: 18,289,985 km (0.029 R)
• M15: 22,128,966 km (0.117 R)
• M16: 22,857,807 km (0.038 R)
• M17: 24,620,518 km (0.038 R)
• M18: 25,402,915 km (0.067 R)
• M19: 26,022,849 km (0.06 R)
• M20: 29,081,676 km (0.03 R)
• M21: 30,747,000 km (0.053 R)
• M22: 36,233,951 km (0.103 R)
• M23: 38,623,029 km (0.096 R)
• M24: 38,739,416 km (0.097 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 751.9

Radius: 5.9

Gravity: 21.6 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 6.84 AU - 7.36 AU

Year: 13298 Days

Day: 16.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 47,106,740 km

• M1: 73,453 km (0.074 R)
• M2: 308,920 km (0.093 R)
• M3: 930,349 km (0.078 R)
• M4: 1,123,031 km (0.072 R)
• M5: 1,669,811 km (0.045 R)
• M6: 2,258,778 km (0.091 R)
• M7: 2,813,487 km (0.081 R)
• M8: 3,753,859 km (0.119 R)
• M9: 4,189,339 km (0.099 R)
• M10: 6,473,698 km (0.094 R)
• M11: 7,449,226 km (0.08 R)
• M12: 7,673,623 km (0.119 R)
• M13: 7,948,733 km (0.112 R)
• M14: 8,422,211 km (0.105 R)
• M15: 10,787,502 km (0.066 R)
• M16: 12,780,445 km (0.078 R)
• M17: 13,037,454 km (0.076 R)
• M18: 13,429,700 km (0.091 R)
• M19: 18,034,921 km (0.069 R)
• M20: 18,603,842 km (0.052 R)
• M21: 19,184,581 km (0.117 R)
• M22: 19,606,746 km (0.071 R)
• M23: 20,382,261 km (0.091 R)
• M24: 22,550,084 km (0.114 R)
• M25: 23,401,146 km (0.069 R)
• M26: 24,767,274 km (0.111 R)
• M27: 24,966,688 km (0.1 R)
• M28: 25,979,914 km (0.116 R)
• M29: 37,531,114 km (0.096 R)
• M30: 41,468,679 km (0.12 R)
• M31: 45,374,081 km (0.083 R)
• M32: 49,834,491 km (0.101 R)
• M33: 50,152,387 km (0.116 R)
• M34: 50,631,848 km (0.098 R)
• M35: 55,425,562 km (0.073 R)
• M36: 57,320,219 km (0.069 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 788.3

Radius: 5

Gravity: 31.53 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 6.34 AU - 8.64 AU

Year: 14409 Days

Day: 17.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 47,106,740 km

• M1: 68,815 km (0.114 R)
• M2: 286,929 km (0.104 R)
• M3: 487,539 km (0.03 R)
• M4: 781,649 km (0.101 R)
• M5: 1,111,213 km (0.084 R)
• M6: 1,379,143 km (0.039 R)
• M7: 1,656,048 km (0.07 R)
• M8: 3,200,796 km (0.094 R)
• M9: 3,977,658 km (0.106 R)
• M10: 4,873,151 km (0.039 R)
• M11: 7,053,839 km (0.11 R)
• M12: 7,968,779 km (0.036 R)
• M13: 10,142,586 km (0.115 R)
• M14: 10,311,632 km (0.112 R)
• M15: 10,597,364 km (0.038 R)
• M16: 12,043,077 km (0.062 R)
• M17: 12,423,954 km (0.119 R)
• M18: 14,028,690 km (0.094 R)
• M19: 15,098,913 km (0.083 R)
• M20: 17,320,441 km (0.117 R)
• M21: 18,217,131 km (0.097 R)
• M22: 18,973,498 km (0.114 R)
• M23: 20,728,879 km (0.112 R)
• M24: 21,460,413 km (0.107 R)
• M25: 22,494,134 km (0.052 R)
• M26: 24,863,914 km (0.047 R)
• M27: 26,854,164 km (0.063 R)
• M28: 27,394,960 km (0.041 R)
• M29: 31,148,371 km (0.095 R)
• M30: 40,356,270 km (0.095 R)
• M31: 41,639,221 km (0.119 R)
• M32: 42,218,015 km (0.112 R)
• M33: 44,436,252 km (0.111 R)
• M34: 47,828,384 km (0.091 R)
• M35: 48,145,083 km (0.029 R)
• M36: 50,237,807 km (0.103 R)
• M37: 63,505,343 km (0.078 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 128.1

Radius: 5.9

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 7.89 AU - 12.29 AU

Year: 22529 Days

Day: 20.8 Hours

Environment

Temp: -240 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 47,106,740 km

• M1: 73,453 km (0.083 R)
• M2: 316,848 km (0.103 R)
• M3: 553,961 km (0.097 R)
• M4: 782,098 km (0.106 R)
• M5: 1,658,292 km (0.117 R)
• M6: 2,633,820 km (0.085 R)
• M7: 5,019,158 km (0.051 R)
• M8: 7,316,084 km (0.099 R)
• M9: 10,644,337 km (0.042 R)
• M10: 10,854,373 km (0.09 R)
• M11: 11,337,125 km (0.113 R)
• M12: 13,718,574 km (0.073 R)
• M13: 17,265,240 km (0.065 R)
• M14: 17,701,766 km (0.07 R)
• M15: 21,545,684 km (0.119 R)
• M16: 24,064,313 km (0.118 R)
• M17: 28,652,929 km (0.109 R)
• M18: 31,259,073 km (0.047 R)
• M19: 41,167,539 km (0.114 R)
• M20: 42,207,842 km (0.068 R)
• M21: 42,734,427 km (0.084 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: 343 - 14,667 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit