🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.8

Radius: 14.9

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.74 AU - 0.76 AU

Year: 426 Days

Day: 8.7 Hours

Environment

Temp: -135 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 14,383,079 km

• M1: 185,352 km (0.084 R)
• M2: 667,057 km (0.118 R)
• M3: 1,211,593 km (0.106 R)
• M4: 1,705,565 km (0.088 R)
• M5: 2,393,267 km (0.063 R)
• M6: 2,857,170 km (0.045 R)
• M7: 3,333,639 km (0.096 R)
• M8: 3,810,707 km (0.084 R)
• M9: 5,526,295 km (0.098 R)
• M10: 6,199,785 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237.5

Radius: 8.8

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.9 AU - 1.34 AU

Year: 778 Days

Day: 10.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 164.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 14,383,079 km

• M1: 109,506 km (0.034 R)
• M2: 578,495 km (0.091 R)
• M3: 1,117,346 km (0.084 R)
• M4: 1,470,248 km (0.116 R)
• M5: 2,158,398 km (0.089 R)
• M6: 2,610,782 km (0.045 R)
• M7: 3,068,851 km (0.087 R)
• M8: 3,371,038 km (0.042 R)
• M9: 3,770,614 km (0.088 R)
• M10: 4,785,785 km (0.084 R)
• M11: 5,608,424 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435

Radius: 12.4

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 3.62 AU - 4.12 AU

Year: 4994 Days

Day: 8.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 14,383,079 km

• M1: 154,235 km (0.115 R)
• M2: 684,560 km (0.119 R)
• M3: 1,158,636 km (0.102 R)
• M4: 1,828,984 km (0.059 R)
• M5: 2,566,651 km (0.034 R)
• M6: 3,131,831 km (0.053 R)
• M7: 4,036,001 km (0.055 R)
• M8: 4,490,479 km (0.103 R)
• M9: 4,979,066 km (0.043 R)
• M10: 5,695,041 km (0.108 R)
• M11: 6,508,854 km (0.068 R)
• M12: 7,599,721 km (0.086 R)
• M13: 8,189,137 km (0.061 R)
• M14: 8,734,272 km (0.097 R)
• M15: 11,161,497 km (0.114 R)
• M16: 12,768,777 km (0.115 R)
• M17: 14,735,989 km (0.038 R)
• M18: 15,875,176 km (0.114 R)
• M19: 17,014,065 km (0.11 R)
• M20: 17,723,009 km (0.092 R)
• M21: 18,698,836 km (0.032 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.9

Radius: 12.3

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 3.6 AU - 4.48 AU

Year: 5327 Days

Day: 11 Hours

Environment

Temp: -214 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 14,383,079 km

• M1: 208,390 km (0.104 R)
• M2: 607,667 km (0.105 R)
• M3: 1,084,884 km (0.071 R)
• M4: 1,638,845 km (0.076 R)
• M5: 2,346,143 km (0.086 R)
• M6: 2,942,889 km (0.085 R)
• M7: 3,617,875 km (0.095 R)
• M8: 6,722,629 km (0.085 R)
• M9: 7,466,879 km (0.06 R)
• M10: 8,265,432 km (0.109 R)
• M11: 10,555,626 km (0.112 R)
• M12: 11,656,217 km (0.118 R)
• M13: 13,448,549 km (0.082 R)
• M14: 15,764,025 km (0.118 R)
• M15: 17,510,431 km (0.055 R)
• M16: 20,470,673 km (0.087 R)
• M17: 24,289,608 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.8

Radius: 11.6

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 4.01 AU - 5.69 AU

Year: 7007 Days

Day: 13.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 14,383,079 km

• M1: 144,362 km (0.117 R)
• M2: 631,453 km (0.061 R)
• M3: 1,339,649 km (0.077 R)
• M4: 4,563,034 km (0.117 R)
• M5: 6,202,477 km (0.115 R)
• M6: 7,611,689 km (0.094 R)
• M7: 8,408,747 km (0.086 R)
• M8: 9,370,960 km (0.094 R)
• M9: 10,847,790 km (0.055 R)
• M10: 11,471,614 km (0.105 R)
• M11: 12,836,544 km (0.089 R)
• M12: 14,159,887 km (0.108 R)
• M13: 16,420,311 km (0.119 R)
• M14: 18,970,955 km (0.104 R)
• M15: 21,386,063 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 17.7

Radius: 6.4

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 5.12 AU - 7.36 AU

Year: 10226 Days

Day: 18.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 14,383,079 km

• M1: 79,736 km (0.085 R)
• M2: 1,065,436 km (0.113 R)
• M3: 1,265,149 km (0.114 R)
• M4: 2,114,117 km (0.076 R)
• M5: 2,357,064 km (0.116 R)
• M6: 3,077,378 km (0.099 R)
• M7: 3,989,626 km (0.07 R)
• M8: 4,677,028 km (0.103 R)
• M9: 5,875,756 km (0.116 R)
• M10: 8,199,160 km (0.056 R)
• M11: 8,925,907 km (0.092 R)
• M12: 10,299,664 km (0.105 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 514 - 15,221 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit