🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.7

Radius: 11.5

Gravity: 6.89 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.65 AU - 0.73 AU

Year: 403 Days

Day: 9 Hours

Environment

Temp: -155 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,637,237 km

• M1: 145,708 km (0.057 R)
• M2: 524,490 km (0.044 R)
• M3: 917,783 km (0.039 R)
• M4: 1,530,087 km (0.071 R)
• M5: 1,922,482 km (0.055 R)
• M6: 2,429,918 km (0.115 R)
• M7: 2,830,841 km (0.083 R)
• M8: 3,194,962 km (0.075 R)
• M9: 3,578,082 km (0.034 R)
• M10: 4,337,441 km (0.119 R)
• M11: 4,718,018 km (0.043 R)
• M12: 5,314,764 km (0.069 R)
• M13: 5,717,182 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.8

Radius: 9.6

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.88 AU - 1.32 AU

Year: 811 Days

Day: 12.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,637,237 km

• M1: 122,670 km (0.104 R)
• M2: 467,045 km (0.114 R)
• M3: 1,023,100 km (0.11 R)
• M4: 1,650,513 km (0.03 R)
• M5: 2,288,249 km (0.08 R)
• M6: 3,008,563 km (0.115 R)
• M7: 3,508,968 km (0.108 R)
• M8: 3,916,472 km (0.077 R)
• M9: 4,402,665 km (0.032 R)
• M10: 4,743,150 km (0.058 R)
• M11: 5,331,967 km (0.118 R)
• M12: 6,489,406 km (0.064 R)
• M13: 7,061,767 km (0.09 R)
• M14: 7,439,203 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.7

Radius: 13.3

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.07 AU - 1.27 AU

Year: 890 Days

Day: 12 Hours

Environment

Temp: -172 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,637,237 km

• M1: 165,455 km (0.119 R)
• M2: 579,692 km (0.026 R)
• M3: 1,050,476 km (0.109 R)
• M4: 1,660,985 km (0.108 R)
• M5: 2,178,295 km (0.098 R)
• M6: 2,692,911 km (0.066 R)
• M7: 3,140,658 km (0.083 R)
• M8: 3,774,354 km (0.103 R)
• M9: 4,308,419 km (0.102 R)
• M10: 5,299,654 km (0.097 R)
• M11: 6,618,359 km (0.083 R)
• M12: 7,420,653 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.1

Radius: 14.2

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.18 AU - 2.86 AU

Year: 2812 Days

Day: 13.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 61,637,237 km

• M1: 179,517 km (0.081 R)
• M2: 670,348 km (0.097 R)
• M3: 1,353,113 km (0.051 R)
• M4: 2,710,713 km (0.096 R)
• M5: 3,212,913 km (0.077 R)
• M6: 3,898,072 km (0.096 R)
• M7: 4,496,912 km (0.093 R)
• M8: 5,156,938 km (0.114 R)
• M9: 5,746,802 km (0.082 R)
• M10: 6,467,714 km (0.072 R)
• M11: 7,001,629 km (0.072 R)
• M12: 8,328,562 km (0.041 R)
• M13: 11,605,504 km (0.081 R)
• M14: 13,459,021 km (0.095 R)
• M15: 16,138,618 km (0.102 R)
• M16: 18,678,341 km (0.092 R)
• M17: 20,074,538 km (0.11 R)
• M18: 21,474,026 km (0.101 R)
• M19: 22,666,770 km (0.089 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 645.7

Radius: 7.2

Gravity: 12.46 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 7.47 AU - 7.93 AU

Year: 15019 Days

Day: 23.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 61,637,237 km

• M1: 90,058 km (0.078 R)
• M2: 397,332 km (0.096 R)
• M3: 676,033 km (0.082 R)
• M4: 1,426,266 km (0.037 R)
• M5: 3,999,050 km (0.099 R)
• M6: 4,982,955 km (0.119 R)
• M7: 5,296,812 km (0.093 R)
• M8: 6,602,801 km (0.071 R)
• M9: 7,509,364 km (0.096 R)
• M10: 8,545,479 km (0.049 R)
• M11: 8,894,341 km (0.108 R)
• M12: 11,547,908 km (0.1 R)
• M13: 15,043,861 km (0.085 R)
• M14: 15,998,146 km (0.06 R)
• M15: 16,223,889 km (0.101 R)
• M16: 19,356,917 km (0.043 R)
• M17: 19,699,347 km (0.113 R)
• M18: 31,366,186 km (0.12 R)
• M19: 35,664,731 km (0.098 R)
• M20: 36,569,050 km (0.03 R)
• M21: 36,961,296 km (0.104 R)
• M22: 42,896,292 km (0.064 R)
• M23: 44,957,750 km (0.082 R)
• M24: 45,558,685 km (0.112 R)
• M25: 46,930,348 km (0.095 R)
• M26: 49,755,803 km (0.059 R)
• M27: 53,528,362 km (0.063 R)
• M28: 54,203,348 km (0.098 R)
• M29: 55,742,859 km (0.059 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 494 - 14,307 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit