🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.6

Radius: 11.8

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.83 AU - 1.07 AU

Year: 628 Days

Day: 8.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,790,709 km

• M1: 147,803 km (0.095 R)
• M2: 688,749 km (0.093 R)
• M3: 1,075,010 km (0.083 R)
• M4: 1,580,502 km (0.119 R)
• M5: 1,948,662 km (0.063 R)
• M6: 2,922,993 km (0.07 R)
• M7: 3,365,204 km (0.112 R)
• M8: 3,779,740 km (0.116 R)
• M9: 4,275,208 km (0.047 R)
• M10: 4,645,911 km (0.062 R)
• M11: 5,968,207 km (0.1 R)
• M12: 6,412,214 km (0.071 R)
• M13: 6,899,903 km (0.09 R)
• M14: 7,666,292 km (0.061 R)
• M15: 8,191,830 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.6

Radius: 8.5

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.92 AU - 1.24 AU

Year: 761 Days

Day: 11.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 71,790,709 km

• M1: 105,766 km (0.111 R)
• M2: 545,135 km (0.057 R)
• M3: 843,732 km (0.105 R)
• M4: 1,890,319 km (0.04 R)
• M5: 2,204,624 km (0.089 R)
• M6: 2,746,916 km (0.094 R)
• M7: 4,570,664 km (0.042 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.2

Radius: 12.6

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1 AU - 1.2 AU

Year: 782 Days

Day: 10.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,790,709 km

• M1: 156,928 km (0.079 R)
• M2: 656,286 km (0.119 R)
• M3: 1,094,458 km (0.099 R)
• M4: 1,877,453 km (0.108 R)
• M5: 2,348,687 km (0.098 R)
• M6: 2,805,409 km (0.099 R)
• M7: 3,413,524 km (0.071 R)
• M8: 4,003,389 km (0.09 R)
• M9: 4,481,803 km (0.11 R)
• M10: 5,610,369 km (0.072 R)
• M11: 7,566,062 km (0.042 R)
• M12: 8,010,966 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.9

Radius: 11

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.98 AU - 1.62 AU

Year: 1005 Days

Day: 9.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,790,709 km

• M1: 136,732 km (0.076 R)
• M2: 548,127 km (0.032 R)
• M3: 1,008,589 km (0.07 R)
• M4: 1,390,512 km (0.101 R)
• M5: 1,869,973 km (0.09 R)
• M6: 2,599,113 km (0.054 R)
• M7: 3,321,522 km (0.044 R)
• M8: 3,992,019 km (0.089 R)
• M9: 4,536,107 km (0.027 R)
• M10: 5,344,085 km (0.097 R)
• M11: 5,734,834 km (0.104 R)
• M12: 6,367,334 km (0.111 R)
• M13: 6,980,087 km (0.111 R)
• M14: 7,913,129 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.6

Radius: 10.4

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.1 AU - 1.64 AU

Year: 1088 Days

Day: 6.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,790,709 km

• M1: 129,402 km (0.084 R)
• M2: 489,933 km (0.07 R)
• M3: 816,206 km (0.026 R)
• M4: 1,173,147 km (0.086 R)
• M5: 1,724,714 km (0.057 R)
• M6: 2,183,680 km (0.087 R)
• M7: 3,069,748 km (0.114 R)
• M8: 3,774,803 km (0.055 R)
• M9: 4,644,116 km (0.072 R)
• M10: 5,046,385 km (0.115 R)
• M11: 5,607,527 km (0.054 R)
• M12: 6,100,452 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.2

Radius: 8.8

Gravity: 11.13 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 3.66 AU - 4.08 AU

Year: 5164 Days

Day: 8.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 71,790,709 km

• M1: 109,506 km (0.095 R)
• M2: 877,990 km (0.094 R)
• M3: 1,281,007 km (0.094 R)
• M4: 1,989,352 km (0.05 R)
• M5: 3,556,390 km (0.093 R)
• M6: 3,967,784 km (0.093 R)
• M7: 4,886,315 km (0.095 R)
• M8: 6,129,474 km (0.088 R)
• M9: 6,654,562 km (0.076 R)
• M10: 9,524,896 km (0.065 R)
• M11: 9,829,178 km (0.062 R)
• M12: 10,320,308 km (0.093 R)
• M13: 11,497,344 km (0.113 R)
• M14: 16,603,419 km (0.103 R)
• M15: 16,917,724 km (0.099 R)
• M16: 19,647,436 km (0.099 R)
• M17: 23,279,074 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 538.1

Radius: 4.2

Gravity: 30.5 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 7.34 AU - 12.18 AU

Year: 20681 Days

Day: 22.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 71,790,709 km

• M1: 52,210 km (0.059 R)
• M2: 456,872 km (0.108 R)
• M3: 661,223 km (0.113 R)
• M4: 995,125 km (0.067 R)
• M5: 1,342,491 km (0.084 R)
• M6: 1,748,051 km (0.093 R)
• M7: 1,893,909 km (0.057 R)
• M8: 2,425,131 km (0.104 R)
• M9: 2,653,866 km (0.062 R)
• M10: 3,075,583 km (0.104 R)
• M11: 3,988,728 km (0.077 R)
• M12: 4,643,518 km (0.081 R)
• M13: 6,246,908 km (0.031 R)
• M14: 7,218,696 km (0.099 R)
• M15: 7,500,388 km (0.105 R)
• M16: 7,740,643 km (0.087 R)
• M17: 8,236,410 km (0.073 R)
• M18: 10,976,145 km (0.105 R)
• M19: 12,650,594 km (0.077 R)
• M20: 16,175,868 km (0.117 R)
• M21: 19,123,694 km (0.052 R)
• M22: 25,189,589 km (0.068 R)
• M23: 26,274,472 km (0.115 R)
• M24: 26,605,981 km (0.092 R)
• M25: 27,052,232 km (0.086 R)
• M26: 41,967,439 km (0.098 R)
• M27: 44,420,395 km (0.08 R)
• M28: 46,643,569 km (0.103 R)
• M29: 47,292,225 km (0.043 R)
• M30: 52,001,716 km (0.112 R)
• M31: 66,543,676 km (0.117 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 176 - 16,095 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit