🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.3

Radius: 13.6

Gravity: 0.06 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.67 AU - 0.69 AU

Year: 387 Days

Day: 7 Hours

Environment

Temp: -153 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 37,660,597 km

• M1: 169,195 km (0.099 R)
• M2: 594,951 km (0.092 R)
• M3: 1,237,025 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.6

Radius: 9.9

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.92 AU - 1.04 AU

Year: 670 Days

Day: 14.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 37,660,597 km

• M1: 123,119 km (0.094 R)
• M2: 482,752 km (0.097 R)
• M3: 1,010,234 km (0.118 R)
• M4: 1,343,538 km (0.107 R)
• M5: 1,806,993 km (0.119 R)
• M6: 2,149,123 km (0.056 R)
• M7: 2,876,169 km (0.12 R)
• M8: 3,248,518 km (0.051 R)
• M9: 3,895,080 km (0.117 R)
• M10: 4,220,156 km (0.11 R)
• M11: 4,797,454 km (0.119 R)
• M12: 5,105,327 km (0.109 R)
• M13: 6,128,426 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.3

Radius: 12.5

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.14 AU - 1.26 AU

Year: 907 Days

Day: 10.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,660,597 km

• M1: 155,582 km (0.059 R)
• M2: 613,650 km (0.111 R)
• M3: 1,219,372 km (0.05 R)
• M4: 1,792,332 km (0.105 R)
• M5: 2,292,737 km (0.082 R)
• M6: 3,274,997 km (0.114 R)
• M7: 3,821,178 km (0.084 R)
• M8: 4,262,941 km (0.103 R)
• M9: 4,722,954 km (0.111 R)
• M10: 5,457,779 km (0.11 R)
• M11: 5,889,967 km (0.106 R)
• M12: 6,286,851 km (0.117 R)
• M13: 6,681,340 km (0.113 R)
• M14: 7,092,585 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.9

Radius: 12

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.99 AU - 1.43 AU

Year: 919 Days

Day: 9.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 37,660,597 km

• M1: 149,598 km (0.082 R)
• M2: 552,914 km (0.068 R)
• M3: 1,045,390 km (0.104 R)
• M4: 2,340,010 km (0.102 R)
• M5: 2,871,980 km (0.08 R)
• M6: 5,089,469 km (0.088 R)
• M7: 7,142,251 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.8

Radius: 14

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.53 AU - 1.77 AU

Year: 1463 Days

Day: 11 Hours

Environment

Temp: -199 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 37,660,597 km

• M1: 174,132 km (0.03 R)
• M2: 955,033 km (0.091 R)
• M3: 1,909,318 km (0.091 R)
• M4: 4,608,512 km (0.046 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.8

Radius: 13.7

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 3.96 AU - 5.8 AU

Year: 7441 Days

Day: 10.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,660,597 km

• M1: 173,384 km (0.087 R)
• M2: 854,952 km (0.071 R)
• M3: 1,336,956 km (0.116 R)
• M4: 4,306,923 km (0.099 R)
• M5: 5,141,529 km (0.081 R)
• M6: 5,581,796 km (0.076 R)
• M7: 7,094,978 km (0.09 R)
• M8: 10,120,446 km (0.074 R)
• M9: 13,859,345 km (0.086 R)
• M10: 17,224,699 km (0.104 R)
• M11: 24,984,490 km (0.088 R)
• M12: 30,940,280 km (0.035 R)
• M13: 32,087,546 km (0.119 R)
• M14: 33,262,937 km (0.084 R)
• M15: 41,175,019 km (0.051 R)
• M16: 42,054,505 km (0.079 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.8

Radius: 12.1

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 4.14 AU - 6.58 AU

Year: 8566 Days

Day: 10.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 37,660,597 km

• M1: 150,495 km (0.075 R)
• M2: 966,851 km (0.113 R)
• M3: 1,673,402 km (0.118 R)
• M4: 4,353,896 km (0.095 R)
• M5: 6,356,114 km (0.116 R)
• M6: 6,736,991 km (0.093 R)
• M7: 7,366,648 km (0.088 R)
• M8: 9,920,284 km (0.091 R)
• M9: 12,249,971 km (0.111 R)
• M10: 15,944,739 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 127.4

Radius: 3.8

Gravity: 8.82 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 8.02 AU - 8.34 AU

Year: 16149 Days

Day: 19.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 37,660,597 km

• M1: 47,423 km (0.103 R)
• M2: 739,313 km (0.102 R)
• M3: 881,879 km (0.105 R)
• M4: 1,124,976 km (0.111 R)
• M5: 1,538,764 km (0.113 R)
• M6: 1,816,866 km (0.085 R)
• M7: 2,127,581 km (0.055 R)
• M8: 2,382,944 km (0.11 R)
• M9: 4,103,918 km (0.103 R)
• M10: 4,777,258 km (0.104 R)
• M11: 5,521,209 km (0.081 R)
• M12: 7,049,650 km (0.05 R)
• M13: 8,376,583 km (0.115 R)
• M14: 8,796,504 km (0.09 R)
• M15: 9,318,601 km (0.095 R)
• M16: 12,031,259 km (0.097 R)
• M17: 12,403,608 km (0.118 R)
• M18: 14,499,774 km (0.073 R)
• M19: 17,085,573 km (0.116 R)
• M20: 21,554,061 km (0.12 R)
• M21: 28,112,133 km (0.109 R)
• M22: 32,500,137 km (0.057 R)
• M23: 34,375,945 km (0.105 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 250 - 16,481 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit