🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.2

Radius: 11.7

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.44 AU - 0.62 AU

Year: 257 Days

Day: 6.2 Hours

Environment

Temp: -143 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 14,500,363 km

• M1: 145,559 km (0.119 R)
• M2: 518,805 km (0.089 R)
• M3: 1,282,203 km (0.082 R)
• M4: 1,865,485 km (0.072 R)
• M5: 2,418,100 km (0.115 R)
• M6: 2,834,281 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.5

Radius: 12.4

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.53 AU - 0.61 AU

Year: 287 Days

Day: 11.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 14,500,363 km

• M1: 154,235 km (0.109 R)
• M2: 832,363 km (0.115 R)
• M3: 1,278,463 km (0.077 R)
• M4: 1,741,020 km (0.104 R)
• M5: 2,139,399 km (0.097 R)
• M6: 2,845,202 km (0.091 R)
• M7: 3,239,093 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.2

Radius: 13.7

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.82 AU - 1.2 AU

Year: 677 Days

Day: 9.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 14,500,363 km

• M1: 170,392 km (0.075 R)
• M2: 603,478 km (0.109 R)
• M3: 1,111,363 km (0.115 R)
• M4: 1,618,051 km (0.104 R)
• M5: 2,094,669 km (0.103 R)
• M6: 3,062,119 km (0.058 R)
• M7: 3,908,843 km (0.071 R)
• M8: 4,337,740 km (0.047 R)
• M9: 5,730,945 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173.8

Radius: 10

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.13 AU - 1.15 AU

Year: 812 Days

Day: 10.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 14,500,363 km

• M1: 124,316 km (0.117 R)
• M2: 595,100 km (0.091 R)
• M3: 1,020,108 km (0.112 R)
• M4: 1,562,550 km (0.05 R)
• M5: 1,992,344 km (0.082 R)
• M6: 2,704,430 km (0.119 R)
• M7: 3,103,408 km (0.113 R)
• M8: 3,688,336 km (0.042 R)
• M9: 4,126,956 km (0.077 R)
• M10: 4,556,901 km (0.09 R)
• M11: 4,925,211 km (0.109 R)
• M12: 5,297,560 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.6

Radius: 10.7

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.2 AU - 1.82 AU

Year: 1237 Days

Day: 7.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 14,500,363 km

• M1: 133,142 km (0.063 R)
• M2: 485,894 km (0.117 R)
• M3: 834,457 km (0.079 R)
• M4: 1,208,003 km (0.102 R)
• M5: 1,897,350 km (0.105 R)
• M6: 2,881,105 km (0.111 R)
• M7: 3,458,852 km (0.104 R)
• M8: 4,159,718 km (0.073 R)
• M9: 4,881,528 km (0.081 R)
• M10: 5,300,851 km (0.1 R)
• M11: 5,863,788 km (0.095 R)
• M12: 6,574,228 km (0.063 R)
• M13: 7,294,243 km (0.03 R)
• M14: 7,649,388 km (0.116 R)
• M15: 7,991,369 km (0.026 R)
• M16: 8,758,806 km (0.071 R)
• M17: 9,133,399 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.2

Radius: 13.8

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.96 AU - 2.84 AU

Year: 2479 Days

Day: 8 Hours

Environment

Temp: -206 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 14,500,363 km

• M1: 172,038 km (0.102 R)
• M2: 633,248 km (0.112 R)
• M3: 1,065,885 km (0.063 R)
• M4: 1,635,703 km (0.102 R)
• M5: 2,379,953 km (0.062 R)
• M6: 3,410,682 km (0.104 R)
• M7: 3,884,010 km (0.083 R)
• M8: 4,318,741 km (0.114 R)
• M9: 5,600,196 km (0.107 R)
• M10: 6,836,473 km (0.04 R)
• M11: 7,296,636 km (0.091 R)
• M12: 8,937,426 km (0.115 R)
• M13: 9,989,697 km (0.066 R)
• M14: 12,048,463 km (0.099 R)
• M15: 14,099,151 km (0.118 R)
• M16: 14,563,802 km (0.036 R)
• M17: 16,271,611 km (0.118 R)
• M18: 16,783,236 km (0.109 R)
• M19: 17,252,823 km (0.096 R)
• M20: 17,838,798 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.2

Radius: 15

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.38 AU - 2.48 AU

Year: 2526 Days

Day: 13.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 14,500,363 km

• M1: 186,549 km (0.092 R)
• M2: 710,291 km (0.066 R)
• M3: 1,316,611 km (0.071 R)
• M4: 2,222,426 km (0.05 R)
• M5: 2,823,361 km (0.049 R)
• M6: 3,548,611 km (0.11 R)
• M7: 4,099,430 km (0.089 R)
• M8: 5,033,370 km (0.056 R)
• M9: 5,663,775 km (0.107 R)
• M10: 7,709,227 km (0.062 R)
• M11: 8,341,428 km (0.103 R)
• M12: 9,195,931 km (0.101 R)
• M13: 11,080,116 km (0.085 R)
• M14: 12,420,214 km (0.101 R)
• M15: 12,890,101 km (0.071 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: 416 - 11,179 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit