🌌 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: 253.5

Radius: 12.1

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.53 AU - 0.83 AU

Year: 368 Days

Day: 9.7 Hours

Environment

Temp: -134 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 63,347,294 km

• M1: 150,495 km (0.067 R)
• M2: 610,210 km (0.107 R)
• M3: 992,582 km (0.038 R)
• M4: 1,470,098 km (0.088 R)
• M5: 2,136,856 km (0.1 R)
• M6: 2,710,414 km (0.119 R)
• M7: 3,697,760 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.5

Radius: 13

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.69 AU - 0.79 AU

Year: 418 Days

Day: 6.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 63,347,294 km

• M1: 161,865 km (0.103 R)
• M2: 589,116 km (0.058 R)
• M3: 1,045,839 km (0.111 R)
• M4: 3,006,468 km (0.061 R)
• M5: 3,498,945 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.6

Radius: 9.1

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2.08 AU - 2.72 AU

Year: 2439 Days

Day: 8.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,347,294 km

• M1: 115,041 km (0.068 R)
• M2: 428,299 km (0.096 R)
• M3: 743,053 km (0.039 R)
• M4: 1,290,132 km (0.117 R)
• M5: 1,743,264 km (0.077 R)
• M6: 2,812,739 km (0.114 R)
• M7: 3,464,836 km (0.064 R)
• M8: 3,941,306 km (0.063 R)
• M9: 4,232,872 km (0.075 R)
• M10: 5,025,740 km (0.102 R)
• M11: 5,614,707 km (0.111 R)
• M12: 6,008,598 km (0.059 R)
• M13: 6,672,215 km (0.093 R)
• M14: 6,956,151 km (0.038 R)
• M15: 9,464,160 km (0.112 R)
• M16: 10,056,567 km (0.109 R)
• M17: 10,884,741 km (0.092 R)
• M18: 12,873,944 km (0.064 R)
• M19: 13,315,407 km (0.118 R)
• M20: 13,766,894 km (0.081 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 569.1

Radius: 4.7

Gravity: 25.76 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 5.54 AU - 8.14 AU

Year: 11735 Days

Day: 23.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 63,347,294 km

• M1: 59,690 km (0.107 R)
• M2: 230,830 km (0.101 R)
• M3: 515,664 km (0.074 R)
• M4: 691,890 km (0.117 R)
• M5: 1,033,123 km (0.097 R)
• M6: 1,292,376 km (0.106 R)
• M7: 1,668,764 km (0.113 R)
• M8: 2,242,472 km (0.116 R)
• M9: 3,509,716 km (0.098 R)
• M10: 5,060,746 km (0.094 R)
• M11: 5,357,549 km (0.114 R)
• M12: 5,596,307 km (0.118 R)
• M13: 5,877,850 km (0.118 R)
• M14: 6,858,464 km (0.119 R)
• M15: 7,018,534 km (0.099 R)
• M16: 8,526,779 km (0.085 R)
• M17: 11,368,690 km (0.085 R)
• M18: 12,401,514 km (0.12 R)
• M19: 13,495,374 km (0.068 R)
• M20: 16,012,956 km (0.09 R)
• M21: 16,294,948 km (0.083 R)
• M22: 16,580,231 km (0.095 R)
• M23: 17,455,977 km (0.064 R)
• M24: 18,905,132 km (0.076 R)
• M25: 19,860,464 km (0.104 R)
• M26: 20,515,104 km (0.076 R)
• M27: 23,277,578 km (0.104 R)
• M28: 27,567,297 km (0.08 R)
• M29: 27,769,404 km (0.068 R)
• M30: 27,972,408 km (0.054 R)
• M31: 39,562,204 km (0.106 R)
• M32: 43,810,185 km (0.034 R)
• M33: 45,902,162 km (0.085 R)
• M34: 49,534,997 km (0.059 R)

Asteroid Belt

Center: 7.17 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 874.4

Radius: 6.7

Gravity: 19.48 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 5.96 AU - 9.02 AU

Year: 13447 Days

Day: 17.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 63,347,294 km

• M1: 83,625 km (0.077 R)
• M2: 305,479 km (0.027 R)
• M3: 517,309 km (0.09 R)
• M4: 968,796 km (0.086 R)
• M5: 1,487,003 km (0.046 R)
• M6: 1,757,476 km (0.109 R)
• M7: 1,986,361 km (0.089 R)
• M8: 2,772,647 km (0.068 R)
• M9: 4,670,745 km (0.113 R)
• M10: 7,167,683 km (0.059 R)
• M11: 8,475,318 km (0.09 R)
• M12: 8,927,552 km (0.102 R)
• M13: 9,825,439 km (0.035 R)
• M14: 12,426,946 km (0.082 R)
• M15: 14,023,454 km (0.03 R)
• M16: 14,727,312 km (0.09 R)
• M17: 15,602,908 km (0.081 R)
• M18: 16,053,497 km (0.084 R)
• M19: 22,156,941 km (0.07 R)
• M20: 23,500,180 km (0.08 R)
• M21: 24,191,771 km (0.078 R)
• M22: 27,418,447 km (0.066 R)
• M23: 31,870,929 km (0.12 R)
• M24: 34,965,062 km (0.069 R)
• M25: 36,256,839 km (0.087 R)
• M26: 36,782,376 km (0.096 R)
• M27: 40,604,153 km (0.058 R)
• M28: 48,388,628 km (0.09 R)
• M29: 49,025,616 km (0.063 R)
• M30: 50,316,346 km (0.048 R)
• M31: 50,642,470 km (0.111 R)
• M32: 55,185,159 km (0.051 R)
• M33: 59,809,378 km (0.085 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 176 - 19,291 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit