🌌 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: 762.2

Radius: 8.1

Gravity: 11.62 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.45 AU - 0.73 AU

Year: 307 Days

Day: 11.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 12,102,492 km

• M1: 100,979 km (0.116 R)
• M2: 379,530 km (0.085 R)
• M3: 638,633 km (0.118 R)
• M4: 1,441,974 km (0.067 R)
• M5: 1,882,240 km (0.052 R)
• M6: 2,313,980 km (0.1 R)
• M7: 2,684,683 km (0.034 R)
• M8: 4,077,888 km (0.082 R)
• M9: 4,524,737 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.3

Radius: 14.1

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.79 AU - 1.17 AU

Year: 658 Days

Day: 10.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 12,102,492 km

• M1: 175,478 km (0.085 R)
• M2: 620,532 km (0.114 R)
• M3: 1,095,206 km (0.115 R)
• M4: 1,643,482 km (0.039 R)
• M5: 2,100,354 km (0.058 R)
• M6: 2,569,044 km (0.106 R)
• M7: 3,736,805 km (0.08 R)
• M8: 4,206,991 km (0.072 R)
• M9: 4,830,216 km (0.07 R)
• M10: 7,206,279 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.7

Radius: 9.7

Gravity: 9.43 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.08 AU - 1.14 AU

Year: 793 Days

Day: 12.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 12,102,492 km

• M1: 120,725 km (0.075 R)
• M2: 482,004 km (0.09 R)
• M3: 1,135,149 km (0.112 R)
• M4: 2,008,351 km (0.111 R)
• M5: 2,424,233 km (0.03 R)
• M6: 2,947,676 km (0.111 R)
• M7: 3,458,852 km (0.11 R)
• M8: 4,188,142 km (0.112 R)
• M9: 4,871,355 km (0.067 R)
• M10: 5,431,300 km (0.074 R)
• M11: 6,927,578 km (0.051 R)
• M12: 7,514,899 km (0.052 R)
• M13: 7,982,991 km (0.065 R)
• M14: 8,842,281 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.9

Radius: 9.9

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.88 AU - 1.46 AU

Year: 858 Days

Day: 6.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 12,102,492 km

• M1: 123,269 km (0.118 R)
• M2: 588,219 km (0.116 R)
• M3: 978,220 km (0.091 R)
• M4: 1,541,456 km (0.115 R)
• M5: 1,995,636 km (0.11 R)
• M6: 2,814,983 km (0.07 R)
• M7: 3,787,369 km (0.116 R)
• M8: 4,136,980 km (0.115 R)
• M9: 5,534,972 km (0.074 R)
• M10: 5,909,714 km (0.039 R)
• M11: 6,815,529 km (0.101 R)
• M12: 7,246,670 km (0.06 R)
• M13: 7,718,951 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.1

Radius: 11.9

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.53 AU - 1.73 AU

Year: 1411 Days

Day: 14.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 12,102,492 km

• M1: 152,739 km (0.111 R)
• M2: 534,513 km (0.058 R)
• M3: 999,763 km (0.04 R)
• M4: 1,435,092 km (0.059 R)
• M5: 1,987,557 km (0.084 R)
• M6: 2,432,013 km (0.086 R)
• M7: 3,380,164 km (0.084 R)
• M8: 3,826,265 km (0.101 R)
• M9: 4,406,106 km (0.043 R)
• M10: 5,857,056 km (0.069 R)
• M11: 7,549,905 km (0.038 R)
• M12: 8,405,306 km (0.115 R)
• M13: 9,292,571 km (0.096 R)
• M14: 9,742,861 km (0.092 R)
• M15: 10,826,697 km (0.063 R)
• M16: 12,102,468 km (0.112 R)
• M17: 12,523,586 km (0.076 R)
• M18: 13,928,609 km (0.032 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.6

Radius: 14

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.75 AU - 2.51 AU

Year: 2108 Days

Day: 13.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 12,102,492 km

• M1: 175,030 km (0.111 R)
• M2: 665,411 km (0.118 R)
• M3: 1,230,742 km (0.1 R)
• M4: 1,744,012 km (0.116 R)
• M5: 2,479,585 km (0.066 R)
• M6: 3,220,393 km (0.097 R)
• M7: 3,919,464 km (0.092 R)
• M8: 4,594,899 km (0.106 R)
• M9: 5,438,032 km (0.113 R)
• M10: 6,006,654 km (0.088 R)
• M11: 7,778,042 km (0.084 R)
• M12: 8,470,830 km (0.102 R)
• M13: 8,944,457 km (0.086 R)
• M14: 10,154,105 km (0.1 R)
• M15: 10,725,719 km (0.065 R)
• M16: 11,623,156 km (0.044 R)
• M17: 12,408,844 km (0.113 R)
• M18: 13,912,303 km (0.09 R)
• M19: 15,209,167 km (0.087 R)
• M20: 16,101,668 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114

Radius: 14

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.3 AU - 3.22 AU

Year: 3110 Days

Day: 14.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 129.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 12,102,492 km

• M1: 174,431 km (0.118 R)
• M2: 638,783 km (0.078 R)
• M3: 1,076,955 km (0.119 R)
• M4: 2,465,523 km (0.084 R)
• M5: 3,271,855 km (0.052 R)
• M6: 4,161,214 km (0.049 R)
• M7: 4,644,864 km (0.11 R)
• M8: 5,246,697 km (0.084 R)
• M9: 7,320,123 km (0.096 R)
• M10: 8,056,145 km (0.106 R)
• M11: 8,754,467 km (0.117 R)
• M12: 9,312,019 km (0.048 R)
• M13: 11,818,531 km (0.074 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: 208 - 10,493 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit