🌌 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: 48.8

Radius: 13.9

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.52 AU - 0.54 AU

Year: 266 Days

Day: 11 Hours

Environment

Temp: -151 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 48,304,169 km

• M1: 172,935 km (0.043 R)
• M2: 737,966 km (0.089 R)
• M3: 1,513,930 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.3

Radius: 14.2

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.57 AU - 0.79 AU

Year: 387 Days

Day: 8 Hours

Environment

Temp: -157 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,304,169 km

• M1: 176,675 km (0.059 R)
• M2: 698,772 km (0.098 R)
• M3: 1,242,410 km (0.106 R)
• M4: 1,880,595 km (0.066 R)
• M5: 2,451,012 km (0.094 R)
• M6: 3,037,435 km (0.11 R)
• M7: 3,641,960 km (0.113 R)
• M8: 4,133,838 km (0.047 R)
• M9: 4,714,577 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.4

Radius: 13.5

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.45 AU - 1.71 AU

Year: 1371 Days

Day: 11.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,304,169 km

• M1: 170,392 km (0.092 R)
• M2: 678,726 km (0.114 R)
• M3: 1,181,823 km (0.076 R)
• M4: 1,957,339 km (0.072 R)
• M5: 2,395,361 km (0.094 R)
• M6: 2,988,217 km (0.062 R)
• M7: 3,692,674 km (0.055 R)
• M8: 4,157,325 km (0.107 R)
• M9: 5,571,922 km (0.111 R)
• M10: 6,732,353 km (0.096 R)
• M11: 7,454,312 km (0.118 R)
• M12: 8,227,284 km (0.078 R)
• M13: 8,726,941 km (0.096 R)
• M14: 9,274,918 km (0.074 R)
• M15: 9,700,824 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.6

Radius: 8.9

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.14 AU - 3.2 AU

Year: 3011 Days

Day: 9.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 48,304,169 km

• M1: 110,702 km (0.052 R)
• M2: 481,107 km (0.098 R)
• M3: 786,436 km (0.056 R)
• M4: 1,423,125 km (0.091 R)
• M5: 3,910,937 km (0.102 R)
• M6: 7,218,546 km (0.092 R)
• M7: 8,327,515 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.5

Radius: 9.2

Gravity: 9.41 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 3.97 AU - 4.19 AU

Year: 5689 Days

Day: 14.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 48,304,169 km

• M1: 118,930 km (0.114 R)
• M2: 411,544 km (0.039 R)
• M3: 785,838 km (0.066 R)
• M4: 1,083,388 km (0.105 R)
• M5: 1,947,764 km (0.079 R)
• M6: 2,305,303 km (0.045 R)
• M7: 2,780,875 km (0.113 R)
• M8: 3,299,381 km (0.118 R)
• M9: 3,857,680 km (0.069 R)
• M10: 5,076,753 km (0.098 R)
• M11: 5,366,375 km (0.098 R)
• M12: 5,728,402 km (0.107 R)
• M13: 7,343,011 km (0.044 R)
• M14: 8,820,889 km (0.108 R)
• M15: 9,113,502 km (0.029 R)
• M16: 11,444,686 km (0.081 R)
• M17: 12,511,020 km (0.068 R)
• M18: 12,934,232 km (0.097 R)
• M19: 14,433,352 km (0.099 R)
• M20: 19,131,174 km (0.118 R)
• M21: 19,978,347 km (0.035 R)
• M22: 21,445,453 km (0.096 R)
• M23: 22,669,912 km (0.079 R)
• M24: 23,859,664 km (0.08 R)
• M25: 24,347,053 km (0.106 R)
• M26: 28,036,137 km (0.073 R)
• M27: 30,724,560 km (0.109 R)
• M28: 34,604,531 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 27.8

Radius: 6.3

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 5.08 AU - 7.12 AU

Year: 10399 Days

Day: 23.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,304,169 km

• M1: 78,539 km (0.107 R)
• M2: 1,171,651 km (0.066 R)
• M3: 1,792,332 km (0.048 R)
• M4: 2,377,110 km (0.071 R)
• M5: 4,326,670 km (0.051 R)
• M6: 6,706,323 km (0.066 R)
• M7: 8,219,356 km (0.087 R)
• M8: 9,736,129 km (0.087 R)
• M9: 11,046,456 km (0.112 R)
• M10: 12,265,529 km (0.059 R)
• M11: 14,598,807 km (0.079 R)
• M12: 16,606,710 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 421.7

Radius: 7.5

Gravity: 7.5 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 5.55 AU - 8.53 AU

Year: 12893 Days

Day: 15.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 48,304,169 km

• M1: 93,349 km (0.074 R)
• M2: 649,704 km (0.113 R)
• M3: 1,031,777 km (0.114 R)
• M4: 1,501,963 km (0.113 R)
• M5: 1,779,018 km (0.098 R)
• M6: 2,476,443 km (0.113 R)
• M7: 3,665,148 km (0.09 R)
• M8: 4,909,353 km (0.055 R)
• M9: 5,292,773 km (0.096 R)
• M10: 6,228,807 km (0.112 R)
• M11: 6,950,616 km (0.097 R)
• M12: 9,306,484 km (0.041 R)
• M13: 9,994,783 km (0.03 R)
• M14: 11,144,144 km (0.099 R)
• M15: 12,205,690 km (0.087 R)
• M16: 22,447,908 km (0.056 R)
• M17: 23,593,379 km (0.069 R)
• M18: 38,497,965 km (0.112 R)
• M19: 39,374,608 km (0.075 R)
• M20: 45,747,328 km (0.117 R)
• M21: 46,448,344 km (0.089 R)
• M22: 47,584,689 km (0.105 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: 320 - 16,718 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit