🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.7

Radius: 10

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.52 AU - 0.62 AU

Year: 292 Days

Day: 11.2 Hours

Environment

Temp: -153 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 59,465,060 km

• M1: 124,465 km (0.081 R)
• M2: 465,848 km (0.055 R)
• M3: 860,337 km (0.109 R)
• M4: 1,626,278 km (0.037 R)
• M5: 2,961,140 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.5

Radius: 13.3

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.53 AU - 0.67 AU

Year: 315 Days

Day: 14.8 Hours

Environment

Temp: -145 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 59,465,060 km

• M1: 165,455 km (0.069 R)
• M2: 620,083 km (0.057 R)
• M3: 1,061,397 km (0.075 R)
• M4: 1,539,063 km (0.093 R)
• M5: 2,069,687 km (0.069 R)
• M6: 2,490,356 km (0.1 R)
• M7: 4,004,137 km (0.108 R)
• M8: 4,519,950 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.6

Radius: 9.8

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.72 AU - 2.3 AU

Year: 1933 Days

Day: 14.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,465,060 km

• M1: 121,922 km (0.095 R)
• M2: 478,115 km (0.031 R)
• M3: 794,963 km (0.105 R)
• M4: 1,266,346 km (0.109 R)
• M5: 1,768,396 km (0.092 R)
• M6: 2,399,251 km (0.085 R)
• M7: 2,779,977 km (0.049 R)
• M8: 3,105,353 km (0.119 R)
• M9: 3,664,400 km (0.117 R)
• M10: 4,205,196 km (0.074 R)
• M11: 5,328,227 km (0.111 R)
• M12: 6,044,652 km (0.088 R)
• M13: 6,777,681 km (0.115 R)
• M14: 7,469,870 km (0.111 R)
• M15: 8,474,121 km (0.118 R)
• M16: 9,107,070 km (0.119 R)
• M17: 10,313,427 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.4

Radius: 14

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.74 AU - 2.72 AU

Year: 2259 Days

Day: 7 Hours

Environment

Temp: -200 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,465,060 km

• M1: 176,825 km (0.082 R)
• M2: 922,271 km (0.091 R)
• M3: 1,873,564 km (0.093 R)
• M4: 2,349,584 km (0.118 R)
• M5: 2,859,862 km (0.118 R)
• M6: 3,338,576 km (0.113 R)
• M7: 3,813,399 km (0.106 R)
• M8: 4,524,588 km (0.109 R)
• M9: 5,897,148 km (0.113 R)
• M10: 6,708,417 km (0.039 R)
• M11: 8,454,224 km (0.046 R)
• M12: 9,168,405 km (0.058 R)
• M13: 10,220,676 km (0.085 R)
• M14: 12,826,222 km (0.089 R)
• M15: 14,188,909 km (0.115 R)
• M16: 17,254,170 km (0.046 R)
• M17: 18,237,327 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.4

Radius: 8.8

Gravity: 8.3 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 2.12 AU - 2.92 AU

Year: 2713 Days

Day: 8.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 139.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,465,060 km

• M1: 111,151 km (0.105 R)
• M2: 562,039 km (0.096 R)
• M3: 1,148,912 km (0.071 R)
• M4: 1,951,355 km (0.076 R)
• M5: 2,367,985 km (0.03 R)
• M6: 2,843,108 km (0.075 R)
• M7: 3,154,421 km (0.067 R)
• M8: 5,990,647 km (0.078 R)
• M9: 7,049,201 km (0.105 R)
• M10: 8,033,256 km (0.11 R)
• M11: 9,860,744 km (0.103 R)
• M12: 10,158,892 km (0.057 R)
• M13: 12,985,993 km (0.068 R)
• M14: 14,991,203 km (0.04 R)
• M15: 16,195,914 km (0.076 R)
• M16: 16,506,928 km (0.095 R)
• M17: 17,901,031 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 304.4

Radius: 6

Gravity: 8.46 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 7.73 AU - 8.85 AU

Year: 16189 Days

Day: 22.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 59,465,060 km

• M1: 74,949 km (0.115 R)
• M2: 300,841 km (0.091 R)
• M3: 596,297 km (0.044 R)
• M4: 880,533 km (0.091 R)
• M5: 1,341,295 km (0.119 R)
• M6: 1,709,305 km (0.034 R)
• M7: 2,178,594 km (0.073 R)
• M8: 2,584,154 km (0.099 R)
• M9: 2,925,985 km (0.108 R)
• M10: 3,154,570 km (0.103 R)
• M11: 4,277,003 km (0.085 R)
• M12: 6,108,530 km (0.109 R)
• M13: 6,873,125 km (0.072 R)
• M14: 7,614,083 km (0.078 R)
• M15: 8,776,757 km (0.052 R)
• M16: 10,789,298 km (0.101 R)
• M17: 14,683,929 km (0.088 R)
• M18: 14,950,362 km (0.093 R)
• M19: 16,048,560 km (0.066 R)
• M20: 18,636,155 km (0.059 R)
• M21: 19,106,042 km (0.061 R)
• M22: 20,069,452 km (0.051 R)
• M23: 20,896,728 km (0.105 R)
• M24: 21,233,922 km (0.12 R)
• M25: 24,996,757 km (0.101 R)
• M26: 25,472,478 km (0.044 R)
• M27: 26,540,009 km (0.094 R)
• M28: 27,134,660 km (0.052 R)
• M29: 27,738,288 km (0.066 R)
• M30: 28,145,493 km (0.076 R)
• M31: 30,673,697 km (0.083 R)
• M32: 36,784,620 km (0.113 R)
• M33: 37,647,950 km (0.108 R)
• M34: 39,286,794 km (0.103 R)
• M35: 41,500,843 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 459.7

Radius: 6.3

Gravity: 11.58 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 7.45 AU - 9.59 AU

Year: 16867 Days

Day: 20.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 59,465,060 km

• M1: 78,838 km (0.094 R)
• M2: 466,745 km (0.106 R)
• M3: 1,063,042 km (0.09 R)
• M4: 1,410,110 km (0.11 R)
• M5: 2,232,000 km (0.086 R)
• M6: 3,441,050 km (0.053 R)
• M7: 4,701,861 km (0.102 R)
• M8: 6,165,676 km (0.037 R)
• M9: 7,368,892 km (0.069 R)
• M10: 9,744,805 km (0.066 R)
• M11: 11,076,376 km (0.092 R)
• M12: 22,244,306 km (0.095 R)
• M13: 23,371,227 km (0.118 R)
• M14: 25,032,062 km (0.062 R)
• M15: 25,636,587 km (0.109 R)
• M16: 27,721,981 km (0.119 R)
• M17: 31,522,067 km (0.08 R)
• M18: 44,978,096 km (0.11 R)
• M19: 49,089,793 km (0.106 R)
• M20: 52,619,854 km (0.112 R)
• M21: 56,659,894 km (0.055 R)
• M22: 57,178,999 km (0.118 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 354 - 15,376 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit