🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.9

Radius: 9.4

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.71 AU - 0.89 AU

Year: 494 Days

Day: 6.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 49,761,199 km

• M1: 117,734 km (0.12 R)
• M2: 452,982 km (0.11 R)
• M3: 806,482 km (0.109 R)
• M4: 1,441,076 km (0.051 R)
• M5: 1,788,293 km (0.118 R)
• M6: 2,109,180 km (0.097 R)
• M7: 2,620,506 km (0.058 R)
• M8: 3,572,397 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.9

Radius: 10.5

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.08 AU - 1.74 AU

Year: 1156 Days

Day: 5.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,761,199 km

• M1: 133,740 km (0.102 R)
• M2: 727,345 km (0.07 R)
• M3: 1,055,563 km (0.105 R)
• M4: 1,388,867 km (0.107 R)
• M5: 1,770,940 km (0.08 R)
• M6: 2,286,603 km (0.102 R)
• M7: 2,680,794 km (0.062 R)
• M8: 3,009,012 km (0.101 R)
• M9: 3,683,548 km (0.047 R)
• M10: 4,228,982 km (0.102 R)
• M11: 4,935,084 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.7

Radius: 8.2

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.67 AU - 2.05 AU

Year: 1751 Days

Day: 13.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 49,761,199 km

• M1: 102,026 km (0.027 R)
• M2: 405,111 km (0.049 R)
• M3: 985,252 km (0.074 R)
• M4: 3,133,178 km (0.071 R)
• M5: 5,569,529 km (0.03 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.3

Radius: 8.9

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 2 AU - 3.24 AU

Year: 2927 Days

Day: 10.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 49,761,199 km

• M1: 110,702 km (0.096 R)
• M2: 407,205 km (0.107 R)
• M3: 739,163 km (0.05 R)
• M4: 1,247,945 km (0.094 R)
• M5: 1,557,463 km (0.116 R)
• M6: 2,046,948 km (0.116 R)
• M7: 2,335,073 km (0.079 R)
• M8: 2,737,491 km (0.071 R)
• M9: 3,267,517 km (0.072 R)
• M10: 3,663,951 km (0.108 R)
• M11: 4,450,237 km (0.083 R)
• M12: 5,438,032 km (0.035 R)
• M13: 5,724,662 km (0.09 R)
• M14: 6,021,314 km (0.098 R)
• M15: 6,645,736 km (0.078 R)
• M16: 7,170,226 km (0.112 R)
• M17: 7,962,646 km (0.049 R)
• M18: 8,270,518 km (0.118 R)
• M19: 9,108,416 km (0.119 R)
• M20: 10,288,145 km (0.025 R)
• M21: 11,372,430 km (0.103 R)
• M22: 12,163,354 km (0.084 R)
• M23: 12,448,637 km (0.055 R)
• M24: 13,591,415 km (0.051 R)
• M25: 13,943,120 km (0.103 R)
• M26: 15,034,586 km (0.096 R)
• M27: 16,084,314 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.7

Radius: 9

Gravity: 8.18 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 4.08 AU - 4.74 AU

Year: 6392 Days

Day: 6.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,761,199 km

• M1: 112,049 km (0.074 R)
• M2: 436,676 km (0.08 R)
• M3: 817,552 km (0.107 R)
• M4: 1,106,875 km (0.111 R)
• M5: 1,418,487 km (0.038 R)
• M6: 1,902,586 km (0.085 R)
• M7: 2,476,144 km (0.114 R)
• M8: 3,480,993 km (0.103 R)
• M9: 4,014,459 km (0.096 R)
• M10: 4,390,997 km (0.11 R)
• M11: 5,757,424 km (0.064 R)
• M12: 8,071,553 km (0.069 R)
• M13: 9,653,700 km (0.095 R)
• M14: 10,753,693 km (0.108 R)
• M15: 11,383,351 km (0.115 R)
• M16: 18,610,574 km (0.098 R)
• M17: 19,305,904 km (0.093 R)
• M18: 19,874,526 km (0.114 R)
• M19: 26,277,315 km (0.114 R)
• M20: 27,956,252 km (0.092 R)
• M21: 32,814,891 km (0.065 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 242.6

Radius: 6.1

Gravity: 6.52 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 7.4 AU - 10.04 AU

Year: 17774 Days

Day: 18.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 49,761,199 km

• M1: 76,893 km (0.101 R)
• M2: 290,968 km (0.111 R)
• M3: 491,429 km (0.11 R)
• M4: 824,583 km (0.06 R)
• M5: 1,086,829 km (0.107 R)
• M6: 1,643,632 km (0.032 R)
• M7: 1,960,630 km (0.068 R)
• M8: 2,432,761 km (0.1 R)
• M9: 3,045,813 km (0.03 R)
• M10: 3,678,612 km (0.097 R)
• M11: 4,395,485 km (0.107 R)
• M12: 4,694,531 km (0.105 R)
• M13: 5,333,762 km (0.092 R)
• M14: 7,431,125 km (0.111 R)
• M15: 13,783,798 km (0.097 R)
• M16: 15,220,985 km (0.092 R)
• M17: 17,191,039 km (0.068 R)
• M18: 17,411,696 km (0.097 R)
• M19: 18,085,186 km (0.065 R)
• M20: 19,404,340 km (0.058 R)
• M21: 19,804,215 km (0.079 R)
• M22: 25,135,135 km (0.107 R)
• M23: 26,775,176 km (0.086 R)
• M24: 28,794,449 km (0.034 R)
• M25: 29,524,486 km (0.054 R)
• M26: 32,456,455 km (0.072 R)
• M27: 34,050,570 km (0.071 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 183 - 16,599 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit