🌌 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: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.4

Radius: 8.9

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.64 AU - 0.7 AU

Year: 372 Days

Day: 6.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 116 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,126,470 km

• M1: 110,702 km (0.044 R)
• M2: 441,463 km (0.077 R)
• M3: 733,628 km (0.051 R)
• M4: 1,069,176 km (0.091 R)
• M5: 1,356,553 km (0.115 R)
• M6: 1,810,433 km (0.061 R)
• M7: 2,321,909 km (0.112 R)
• M8: 2,621,254 km (0.052 R)
• M9: 3,123,903 km (0.062 R)
• M10: 3,610,993 km (0.082 R)
• M11: 4,026,875 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.4

Radius: 12.1

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.68 AU - 0.76 AU

Year: 414 Days

Day: 10.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,126,470 km

• M1: 150,495 km (0.103 R)
• M2: 588,668 km (0.1 R)
• M3: 967,599 km (0.119 R)
• M4: 1,537,268 km (0.05 R)
• M5: 1,930,860 km (0.042 R)
• M6: 2,383,992 km (0.11 R)
• M7: 2,937,803 km (0.052 R)
• M8: 3,486,079 km (0.072 R)
• M9: 4,064,425 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.9

Radius: 10.7

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.29 AU - 1.35 AU

Year: 1029 Days

Day: 9.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,126,470 km

• M1: 133,142 km (0.11 R)
• M2: 482,453 km (0.098 R)
• M3: 831,914 km (0.086 R)
• M4: 1,252,583 km (0.116 R)
• M5: 1,595,012 km (0.054 R)
• M6: 2,706,525 km (0.113 R)
• M7: 3,111,486 km (0.053 R)
• M8: 3,625,953 km (0.066 R)
• M9: 6,014,134 km (0.044 R)
• M10: 6,519,625 km (0.082 R)
• M11: 7,569,951 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.6

Radius: 9.2

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.75 AU - 2.59 AU

Year: 2168 Days

Day: 5.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,126,470 km

• M1: 114,442 km (0.027 R)
• M2: 405,709 km (0.043 R)
• M3: 956,978 km (0.052 R)
• M4: 1,328,878 km (0.12 R)
• M5: 2,426,328 km (0.043 R)
• M6: 2,782,670 km (0.054 R)
• M7: 3,342,764 km (0.051 R)
• M8: 4,658,777 km (0.111 R)
• M9: 5,028,284 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.8

Radius: 8.7

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.92 AU - 2.54 AU

Year: 2259 Days

Day: 9.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,126,470 km

• M1: 108,309 km (0.098 R)
• M2: 385,065 km (0.114 R)
• M3: 675,584 km (0.087 R)
• M4: 1,004,998 km (0.103 R)
• M5: 1,426,416 km (0.079 R)
• M6: 1,942,678 km (0.092 R)
• M7: 2,802,567 km (0.102 R)
• M8: 4,277,302 km (0.096 R)
• M9: 4,610,906 km (0.088 R)
• M10: 5,390,460 km (0.06 R)
• M11: 6,826,151 km (0.103 R)
• M12: 8,365,214 km (0.089 R)
• M13: 9,819,305 km (0.054 R)
• M14: 10,433,105 km (0.052 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 79.3

Radius: 6.8

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 5.7 AU - 5.88 AU

Year: 9450 Days

Day: 20.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,126,470 km

• M1: 92,601 km (0.089 R)
• M2: 426,354 km (0.118 R)
• M3: 1,721,423 km (0.091 R)
• M4: 3,440,003 km (0.097 R)
• M5: 4,412,240 km (0.076 R)
• M6: 4,710,837 km (0.092 R)
• M7: 8,802,937 km (0.067 R)
• M8: 12,441,307 km (0.11 R)
• M9: 19,360,059 km (0.059 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 486.5

Radius: 5.8

Gravity: 14.46 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 6.71 AU - 8.51 AU

Year: 14239 Days

Day: 16.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,126,470 km

• M1: 319,391 km (0.1 R)
• M2: 504,594 km (0.101 R)
• M3: 1,363,435 km (0.109 R)
• M4: 2,086,142 km (0.098 R)
• M5: 4,430,042 km (0.056 R)
• M6: 6,992,354 km (0.099 R)
• M7: 8,442,705 km (0.076 R)
• M8: 10,402,138 km (0.083 R)
• M9: 11,287,010 km (0.116 R)
• M10: 11,689,578 km (0.107 R)
• M11: 17,984,357 km (0.088 R)
• M12: 23,707,074 km (0.068 R)
• M13: 25,039,243 km (0.03 R)
• M14: 25,331,108 km (0.113 R)
• M15: 28,060,521 km (0.094 R)
• M16: 29,441,908 km (0.108 R)
• M17: 35,544,454 km (0.108 R)
• M18: 44,968,821 km (0.054 R)
• M19: 48,045,600 km (0.113 R)
• M20: 50,172,882 km (0.079 R)
• M21: 52,520,970 km (0.069 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 202 - 10,560 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit