🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.8

Radius: 13.5

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.46 AU - 0.76 AU

Year: 323 Days

Day: 9.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 63,701,998 km

• M1: 167,849 km (0.103 R)
• M2: 595,998 km (0.093 R)
• M3: 1,025,194 km (0.107 R)
• M4: 1,862,643 km (0.1 R)
• M5: 2,470,459 km (0.101 R)
• M6: 3,109,990 km (0.076 R)
• M7: 3,949,683 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.2

Radius: 10.3

Gravity: 7.38 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.8 AU - 1.3 AU

Year: 730 Days

Day: 6.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,701,998 km

• M1: 128,205 km (0.072 R)
• M2: 449,392 km (0.103 R)
• M3: 785,538 km (0.088 R)
• M4: 1,186,910 km (0.094 R)
• M5: 1,759,121 km (0.098 R)
• M6: 2,357,363 km (0.084 R)
• M7: 2,768,757 km (0.096 R)
• M8: 3,594,687 km (0.027 R)
• M9: 4,236,761 km (0.097 R)
• M10: 5,313,268 km (0.068 R)
• M11: 5,690,703 km (0.101 R)
• M12: 6,065,894 km (0.097 R)
• M13: 6,627,335 km (0.101 R)
• M14: 6,998,488 km (0.09 R)
• M15: 8,220,702 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.9

Radius: 11.2

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.03 AU - 1.61 AU

Year: 1029 Days

Day: 9.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,701,998 km

• M1: 139,575 km (0.055 R)
• M2: 501,452 km (0.034 R)
• M3: 1,266,944 km (0.116 R)
• M4: 1,677,142 km (0.056 R)
• M5: 2,042,759 km (0.077 R)
• M6: 2,581,461 km (0.086 R)
• M7: 3,290,854 km (0.039 R)
• M8: 3,642,708 km (0.071 R)
• M9: 4,110,501 km (0.086 R)
• M10: 4,836,350 km (0.103 R)
• M11: 5,221,265 km (0.097 R)
• M12: 5,664,523 km (0.117 R)
• M13: 6,152,960 km (0.1 R)
• M14: 7,532,552 km (0.028 R)
• M15: 8,172,681 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 211.9

Radius: 14.1

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.59 AU - 1.67 AU

Year: 1411 Days

Day: 14.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,701,998 km

• M1: 175,329 km (0.06 R)
• M2: 686,205 km (0.069 R)
• M3: 1,157,888 km (0.086 R)
• M4: 1,624,034 km (0.062 R)
• M5: 2,082,552 km (0.101 R)
• M6: 3,206,182 km (0.103 R)
• M7: 3,665,447 km (0.092 R)
• M8: 4,246,784 km (0.077 R)
• M9: 5,243,854 km (0.119 R)
• M10: 5,691,900 km (0.114 R)
• M11: 6,247,057 km (0.116 R)
• M12: 7,014,046 km (0.073 R)
• M13: 7,700,550 km (0.112 R)
• M14: 8,331,405 km (0.04 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.2

Radius: 14.9

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.65 AU - 2.37 AU

Year: 1933 Days

Day: 12 Hours

Environment

Temp: -205 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,701,998 km

• M1: 185,352 km (0.114 R)
• M2: 895,194 km (0.085 R)
• M3: 1,599,800 km (0.094 R)
• M4: 2,649,378 km (0.116 R)
• M5: 3,140,957 km (0.083 R)
• M6: 3,646,598 km (0.102 R)
• M7: 4,189,638 km (0.055 R)
• M8: 4,959,169 km (0.091 R)
• M9: 5,565,340 km (0.119 R)
• M10: 6,709,764 km (0.119 R)
• M11: 10,660,195 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.9

Radius: 10.5

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.45 AU - 3.25 AU

Year: 3263 Days

Day: 14.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 63,701,998 km

• M1: 130,599 km (0.079 R)
• M2: 512,672 km (0.059 R)
• M3: 902,225 km (0.089 R)
• M4: 1,233,584 km (0.118 R)
• M5: 1,680,732 km (0.069 R)
• M6: 2,142,989 km (0.088 R)
• M7: 3,486,977 km (0.114 R)
• M8: 4,021,041 km (0.065 R)
• M9: 4,630,952 km (0.08 R)
• M10: 5,398,838 km (0.099 R)
• M11: 6,249,601 km (0.105 R)
• M12: 7,039,477 km (0.07 R)
• M13: 8,281,439 km (0.114 R)
• M14: 9,376,047 km (0.066 R)
• M15: 10,916,157 km (0.113 R)
• M16: 12,060,580 km (0.102 R)
• M17: 12,881,573 km (0.09 R)
• M18: 13,328,422 km (0.116 R)
• M19: 13,878,194 km (0.049 R)
• M20: 16,699,162 km (0.097 R)
• M21: 17,123,571 km (0.116 R)
• M22: 18,104,634 km (0.026 R)
• M23: 19,354,374 km (0.111 R)

Asteroid Belt

Center: 4.53 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 97.6

Radius: 7.8

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 4.88 AU - 7.54 AU

Year: 10496 Days

Day: 20.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 63,701,998 km

• M1: 204,500 km (0.067 R)
• M2: 524,191 km (0.066 R)
• M3: 835,055 km (0.072 R)
• M4: 1,127,370 km (0.115 R)
• M5: 1,380,788 km (0.04 R)
• M6: 1,708,856 km (0.118 R)
• M7: 2,217,340 km (0.1 R)
• M8: 2,588,043 km (0.054 R)
• M9: 3,336,332 km (0.091 R)
• M10: 4,198,464 km (0.049 R)
• M11: 4,792,517 km (0.072 R)
• M12: 5,227,698 km (0.102 R)
• M13: 5,495,777 km (0.111 R)
• M14: 6,723,975 km (0.082 R)
• M15: 7,171,273 km (0.11 R)
• M16: 7,435,613 km (0.088 R)
• M17: 8,522,591 km (0.115 R)
• M18: 9,239,015 km (0.086 R)
• M19: 10,242,069 km (0.067 R)
• M20: 10,791,392 km (0.049 R)
• M21: 14,826,047 km (0.116 R)
• M22: 17,059,842 km (0.112 R)
• M23: 17,771,479 km (0.115 R)
• M24: 23,101,801 km (0.095 R)
• M25: 23,679,997 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 956.2

Radius: 4.4

Gravity: 49.39 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 6.38 AU - 7.92 AU

Year: 12967 Days

Day: 17.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 63,701,998 km

• M1: 91,105 km (0.092 R)
• M2: 244,742 km (0.102 R)
• M3: 696,079 km (0.073 R)
• M4: 880,683 km (0.08 R)
• M5: 1,173,446 km (0.11 R)
• M6: 1,623,137 km (0.085 R)
• M7: 2,999,587 km (0.07 R)
• M8: 3,278,587 km (0.045 R)
• M9: 3,715,263 km (0.054 R)
• M10: 3,888,647 km (0.042 R)
• M11: 4,251,571 km (0.111 R)
• M12: 4,770,227 km (0.086 R)
• M13: 5,009,883 km (0.041 R)
• M14: 7,181,895 km (0.105 R)
• M15: 9,584,137 km (0.044 R)
• M16: 11,595,331 km (0.063 R)
• M17: 13,126,465 km (0.11 R)
• M18: 13,326,926 km (0.049 R)
• M19: 14,079,254 km (0.088 R)
• M20: 17,133,594 km (0.083 R)
• M21: 18,269,939 km (0.1 R)
• M22: 18,941,484 km (0.097 R)
• M23: 19,979,244 km (0.12 R)
• M24: 22,356,953 km (0.075 R)
• M25: 22,834,769 km (0.034 R)
• M26: 25,121,073 km (0.034 R)
• M27: 25,533,664 km (0.115 R)
• M28: 32,155,763 km (0.101 R)
• M29: 33,010,117 km (0.108 R)
• M30: 42,986,499 km (0.063 R)
• M31: 44,924,091 km (0.117 R)
• M32: 45,684,497 km (0.113 R)
• M33: 51,084,830 km (0.076 R)
• M34: 51,415,143 km (0.093 R)
• M35: 51,580,897 km (0.033 R)
• M36: 54,280,391 km (0.113 R)
• M37: 62,186,638 km (0.1 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 518 - 18,292 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit