🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.7

Radius: 9.6

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.76 AU - 0.96 AU

Year: 515 Days

Day: 10.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 19,699,488 km

• M1: 119,379 km (0.071 R)
• M2: 558,299 km (0.103 R)
• M3: 908,358 km (0.106 R)
• M4: 1,520,662 km (0.114 R)
• M5: 1,828,236 km (0.069 R)
• M6: 2,572,335 km (0.056 R)
• M7: 3,253,754 km (0.109 R)
• M8: 3,618,324 km (0.114 R)
• M9: 4,202,503 km (0.032 R)
• M10: 4,636,038 km (0.118 R)
• M11: 5,391,806 km (0.056 R)
• M12: 6,172,707 km (0.04 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.8

Radius: 13.8

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.84 AU - 1.1 AU

Year: 617 Days

Day: 10.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 19,699,488 km

• M1: 171,738 km (0.118 R)
• M2: 787,633 km (0.068 R)
• M3: 1,310,627 km (0.045 R)
• M4: 2,291,690 km (0.082 R)
• M5: 2,939,598 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.8

Radius: 14.8

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.92 AU - 1.42 AU

Year: 817 Days

Day: 5.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 19,699,488 km

• M1: 184,005 km (0.119 R)
• M2: 673,938 km (0.092 R)
• M3: 1,213,987 km (0.061 R)
• M4: 1,919,191 km (0.061 R)
• M5: 2,390,125 km (0.112 R)
• M6: 3,092,936 km (0.106 R)
• M7: 4,183,205 km (0.115 R)
• M8: 5,419,781 km (0.111 R)
• M9: 6,060,958 km (0.098 R)
• M10: 6,979,339 km (0.038 R)
• M11: 7,813,946 km (0.082 R)
• M12: 8,767,632 km (0.099 R)
• M13: 9,259,061 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.9

Radius: 14.8

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.05 AU - 1.31 AU

Year: 828 Days

Day: 8.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 19,699,488 km

• M1: 236,813 km (0.091 R)
• M2: 697,724 km (0.077 R)
• M3: 1,243,009 km (0.098 R)
• M4: 1,749,996 km (0.081 R)
• M5: 3,317,931 km (0.064 R)
• M6: 4,478,212 km (0.109 R)
• M7: 5,911,809 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.3

Radius: 8.1

Gravity: 6.99 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.17 AU - 1.41 AU

Year: 946 Days

Day: 11.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 19,699,488 km

• M1: 100,679 km (0.074 R)
• M2: 379,979 km (0.095 R)
• M3: 993,928 km (0.112 R)
• M4: 1,331,421 km (0.101 R)
• M5: 1,652,458 km (0.026 R)
• M6: 2,211,206 km (0.105 R)
• M7: 2,585,350 km (0.091 R)
• M8: 2,853,879 km (0.041 R)
• M9: 3,128,241 km (0.101 R)
• M10: 3,433,870 km (0.099 R)
• M11: 3,847,657 km (0.078 R)
• M12: 4,152,089 km (0.086 R)
• M13: 4,588,765 km (0.034 R)
• M14: 5,002,254 km (0.037 R)
• M15: 6,821,813 km (0.106 R)
• M16: 7,928,388 km (0.058 R)
• M17: 8,397,976 km (0.038 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.5

Radius: 12.2

Gravity: 6.55 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.41 AU - 1.77 AU

Year: 1295 Days

Day: 13 Hours

Environment

Temp: -176 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 19,699,488 km

• M1: 151,842 km (0.099 R)
• M2: 615,745 km (0.06 R)
• M3: 1,206,507 km (0.107 R)
• M4: 1,836,763 km (0.099 R)
• M5: 2,409,274 km (0.077 R)
• M6: 2,813,786 km (0.101 R)
• M7: 3,419,209 km (0.079 R)
• M8: 3,812,801 km (0.085 R)
• M9: 4,771,574 km (0.074 R)
• M10: 5,838,954 km (0.055 R)
• M11: 6,404,883 km (0.081 R)
• M12: 7,111,135 km (0.084 R)
• M13: 8,560,289 km (0.101 R)
• M14: 10,197,788 km (0.116 R)
• M15: 11,304,214 km (0.069 R)
• M16: 12,222,894 km (0.048 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.8

Radius: 11.2

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.93 AU - 2.81 AU

Year: 2356 Days

Day: 9.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 19,699,488 km

• M1: 139,425 km (0.104 R)
• M2: 537,206 km (0.11 R)
• M3: 977,921 km (0.092 R)
• M4: 1,683,574 km (0.099 R)
• M5: 2,613,774 km (0.062 R)
• M6: 3,253,604 km (0.079 R)
• M7: 4,136,082 km (0.064 R)
• M8: 6,075,170 km (0.028 R)
• M9: 7,229,168 km (0.092 R)
• M10: 7,748,571 km (0.103 R)
• M11: 8,827,770 km (0.115 R)
• M12: 9,746,600 km (0.092 R)
• M13: 11,082,809 km (0.113 R)
• M14: 14,976,692 km (0.117 R)
• M15: 16,489,575 km (0.059 R)
• M16: 17,229,486 km (0.027 R)
• M17: 18,268,892 km (0.085 R)
• M18: 19,407,481 km (0.086 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 455 - 11,520 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit