🌌 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: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407

Radius: 13.8

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.55 AU - 0.65 AU

Year: 327 Days

Day: 12.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 27,435,281 km

• M1: 171,589 km (0.105 R)
• M2: 650,302 km (0.102 R)
• M3: 1,456,784 km (0.081 R)
• M4: 1,917,695 km (0.116 R)
• M5: 2,916,410 km (0.087 R)
• M6: 3,428,634 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.7

Radius: 10.4

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.59 AU - 0.89 AU

Year: 447 Days

Day: 8.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 27,435,281 km

• M1: 129,402 km (0.069 R)
• M2: 458,817 km (0.097 R)
• M3: 908,807 km (0.048 R)
• M4: 1,252,733 km (0.109 R)
• M5: 1,587,233 km (0.064 R)
• M6: 2,088,985 km (0.085 R)
• M7: 2,595,523 km (0.102 R)
• M8: 3,049,852 km (0.09 R)
• M9: 4,078,936 km (0.082 R)
• M10: 5,635,501 km (0.058 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.7

Radius: 14.2

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.25 AU - 1.35 AU

Year: 1042 Days

Day: 7.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 27,435,281 km

• M1: 176,525 km (0.093 R)
• M2: 630,106 km (0.089 R)
• M3: 1,870,721 km (0.117 R)
• M4: 2,628,734 km (0.081 R)
• M5: 3,087,401 km (0.062 R)
• M6: 3,631,040 km (0.074 R)
• M7: 4,449,639 km (0.097 R)
• M8: 5,286,789 km (0.089 R)
• M9: 5,786,446 km (0.115 R)
• M10: 7,002,676 km (0.1 R)
• M11: 7,555,291 km (0.04 R)
• M12: 8,082,773 km (0.075 R)
• M13: 9,153,146 km (0.109 R)
• M14: 9,631,261 km (0.079 R)
• M15: 10,834,177 km (0.101 R)
• M16: 11,301,820 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.7

Radius: 14.4

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.12 AU - 1.56 AU

Year: 1090 Days

Day: 14.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 27,435,281 km

• M1: 179,218 km (0.037 R)
• M2: 771,027 km (0.083 R)
• M3: 1,233,584 km (0.103 R)
• M4: 1,695,542 km (0.047 R)
• M5: 2,286,155 km (0.107 R)
• M6: 2,915,662 km (0.109 R)
• M7: 3,817,139 km (0.084 R)
• M8: 4,863,128 km (0.099 R)
• M9: 5,398,239 km (0.096 R)
• M10: 7,065,657 km (0.041 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860.4

Radius: 10.9

Gravity: 7.24 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.29 AU - 1.83 AU

Year: 1370 Days

Day: 7.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 27,435,281 km

• M1: 135,536 km (0.074 R)
• M2: 786,286 km (0.091 R)
• M3: 1,202,318 km (0.051 R)
• M4: 1,602,941 km (0.108 R)
• M5: 1,961,677 km (0.12 R)
• M6: 2,901,600 km (0.09 R)
• M7: 3,425,492 km (0.072 R)
• M8: 4,154,931 km (0.037 R)
• M9: 5,341,990 km (0.06 R)
• M10: 5,967,908 km (0.11 R)
• M11: 6,592,329 km (0.031 R)
• M12: 8,257,653 km (0.105 R)
• M13: 8,639,576 km (0.115 R)
• M14: 10,834,327 km (0.032 R)
• M15: 12,210,926 km (0.071 R)
• M16: 12,591,802 km (0.116 R)
• M17: 13,059,296 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.5

Radius: 13.8

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.88 AU - 1.96 AU

Year: 1870 Days

Day: 6.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 27,435,281 km

• M1: 171,589 km (0.109 R)
• M2: 680,670 km (0.104 R)
• M3: 2,889,184 km (0.092 R)
• M4: 3,458,404 km (0.062 R)
• M5: 4,707,995 km (0.072 R)
• M6: 5,394,499 km (0.086 R)
• M7: 6,077,713 km (0.104 R)
• M8: 7,018,833 km (0.091 R)
• M9: 7,511,459 km (0.073 R)
• M10: 8,979,313 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.1

Radius: 14.3

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 4.19 AU - 4.63 AU

Year: 6510 Days

Day: 8.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 27,435,281 km

• M1: 178,021 km (0.106 R)
• M2: 673,639 km (0.112 R)
• M3: 1,175,241 km (0.09 R)
• M4: 1,782,309 km (0.058 R)
• M5: 2,436,949 km (0.051 R)
• M6: 2,936,157 km (0.055 R)
• M7: 3,524,077 km (0.093 R)
• M8: 4,305,128 km (0.104 R)
• M9: 5,413,947 km (0.1 R)
• M10: 6,124,537 km (0.106 R)
• M11: 6,737,140 km (0.087 R)
• M12: 8,049,861 km (0.1 R)
• M13: 8,862,327 km (0.081 R)
• M14: 9,851,319 km (0.049 R)
• M15: 10,912,716 km (0.1 R)
• M16: 14,238,576 km (0.109 R)
• M17: 17,154,687 km (0.062 R)
• M18: 18,816,420 km (0.043 R)
• M19: 22,386,723 km (0.06 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: 366 - 12,914 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit