🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.1

Radius: 11.6

Gravity: 7.11 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.61 AU - 1.01 AU

Year: 464 Days

Day: 7.6 Hours

Environment

Temp: -142 °C

Axial Tilt: 153.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,435,524 km

• M1: 144,362 km (0.058 R)
• M2: 603,927 km (0.103 R)
• M3: 1,134,849 km (0.041 R)
• M4: 1,643,033 km (0.1 R)
• M5: 2,098,858 km (0.094 R)
• M6: 2,485,569 km (0.114 R)
• M7: 2,931,520 km (0.11 R)
• M8: 3,443,145 km (0.119 R)
• M9: 3,808,014 km (0.054 R)
• M10: 4,539,697 km (0.118 R)
• M11: 5,311,921 km (0.119 R)
• M12: 5,747,550 km (0.118 R)
• M13: 6,132,017 km (0.108 R)
• M14: 6,851,433 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786

Radius: 11.5

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.72 AU - 0.96 AU

Year: 489 Days

Day: 6.1 Hours

Environment

Temp: -142 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,435,524 km

• M1: 143,614 km (0.108 R)
• M2: 647,460 km (0.11 R)
• M3: 1,014,722 km (0.076 R)
• M4: 1,392,457 km (0.098 R)
• M5: 1,794,127 km (0.112 R)
• M6: 2,292,587 km (0.12 R)
• M7: 2,689,171 km (0.047 R)
• M8: 4,136,381 km (0.106 R)
• M9: 4,530,721 km (0.052 R)
• M10: 5,128,215 km (0.107 R)
• M11: 5,497,722 km (0.058 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.4

Radius: 11

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.85 AU - 0.85 AU

Year: 498 Days

Day: 13 Hours

Environment

Temp: -151 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 34,435,524 km

• M1: 136,732 km (0.108 R)
• M2: 610,210 km (0.084 R)
• M3: 1,046,288 km (0.094 R)
• M4: 1,662,780 km (0.067 R)
• M5: 2,018,374 km (0.11 R)
• M6: 2,406,880 km (0.049 R)
• M7: 2,835,029 km (0.102 R)
• M8: 3,395,124 km (0.119 R)
• M9: 4,766,936 km (0.107 R)
• M10: 5,176,984 km (0.033 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.5

Radius: 14.4

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.63 AU - 1.87 AU

Year: 1472 Days

Day: 10.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 34,435,524 km

• M1: 179,069 km (0.095 R)
• M2: 664,364 km (0.111 R)
• M3: 1,184,067 km (0.096 R)
• M4: 1,650,962 km (0.06 R)
• M5: 2,255,337 km (0.037 R)
• M6: 3,079,472 km (0.115 R)
• M7: 4,625,716 km (0.072 R)
• M8: 5,437,883 km (0.096 R)
• M9: 6,007,402 km (0.043 R)
• M10: 6,717,842 km (0.104 R)
• M11: 7,649,388 km (0.082 R)
• M12: 8,425,651 km (0.12 R)
• M13: 9,253,675 km (0.08 R)
• M14: 10,135,555 km (0.118 R)
• M15: 11,617,920 km (0.047 R)
• M16: 13,938,632 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577

Radius: 8.1

Gravity: 8.79 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 4.3 AU - 5.36 AU

Year: 6749 Days

Day: 8 Hours

Environment

Temp: -218 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 34,435,524 km

• M1: 102,624 km (0.12 R)
• M2: 431,590 km (0.099 R)
• M3: 1,086,081 km (0.108 R)
• M4: 1,641,388 km (0.103 R)
• M5: 1,946,867 km (0.046 R)
• M6: 2,424,981 km (0.114 R)
• M7: 2,881,405 km (0.059 R)
• M8: 3,415,469 km (0.086 R)
• M9: 4,186,646 km (0.105 R)
• M10: 6,331,580 km (0.068 R)
• M11: 6,634,666 km (0.118 R)
• M12: 9,035,412 km (0.076 R)
• M13: 9,726,854 km (0.093 R)
• M14: 12,426,347 km (0.07 R)
• M15: 13,172,093 km (0.092 R)
• M16: 14,928,970 km (0.089 R)
• M17: 15,286,359 km (0.088 R)
• M18: 17,617,244 km (0.032 R)
• M19: 17,949,351 km (0.102 R)
• M20: 18,626,132 km (0.108 R)
• M21: 19,249,805 km (0.049 R)
• M22: 21,204,301 km (0.064 R)
• M23: 25,843,331 km (0.119 R)
• M24: 27,766,711 km (0.084 R)
• M25: 32,290,700 km (0.055 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.3

Radius: 14.9

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 4.48 AU - 7.16 AU

Year: 8927 Days

Day: 5.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,435,524 km

• M1: 185,352 km (0.079 R)
• M2: 4,058,740 km (0.079 R)
• M3: 5,508,792 km (0.064 R)
• M4: 6,203,674 km (0.09 R)
• M5: 6,850,386 km (0.115 R)
• M6: 8,359,978 km (0.099 R)
• M7: 10,689,665 km (0.081 R)
• M8: 15,838,525 km (0.052 R)
• M9: 17,847,026 km (0.09 R)
• M10: 20,907,050 km (0.103 R)
• M11: 31,271,191 km (0.106 R)
• M12: 32,566,260 km (0.055 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 723.4

Radius: 8

Gravity: 11.3 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 5.21 AU - 7.31 AU

Year: 9959 Days

Day: 22.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 34,435,524 km

• M1: 102,774 km (0.051 R)
• M2: 638,185 km (0.099 R)
• M3: 895,493 km (0.097 R)
• M4: 4,921,022 km (0.046 R)
• M5: 5,814,570 km (0.051 R)
• M6: 6,135,308 km (0.115 R)
• M7: 6,467,864 km (0.119 R)
• M8: 7,088,695 km (0.109 R)
• M9: 8,359,230 km (0.08 R)
• M10: 9,975,186 km (0.04 R)
• M11: 10,383,887 km (0.091 R)
• M12: 11,509,611 km (0.102 R)
• M13: 13,134,693 km (0.116 R)
• M14: 13,440,172 km (0.115 R)
• M15: 13,750,438 km (0.046 R)
• M16: 15,850,493 km (0.115 R)
• M17: 18,842,151 km (0.065 R)
• M18: 21,088,961 km (0.112 R)
• M19: 25,724,999 km (0.076 R)
• M20: 26,785,798 km (0.093 R)
• M21: 28,994,611 km (0.11 R)
• M22: 29,305,026 km (0.113 R)
• M23: 31,105,586 km (0.058 R)
• M24: 32,531,403 km (0.095 R)
• M25: 36,706,231 km (0.108 R)
• M26: 40,705,431 km (0.1 R)
• M27: 41,355,583 km (0.067 R)
• M28: 46,949,347 km (0.09 R)
• M29: 48,386,384 km (0.065 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 106

Radius: 7.6

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 6.68 AU - 10.12 AU

Year: 15479 Days

Day: 24.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 34,435,524 km

• M1: 94,695 km (0.103 R)
• M2: 663,915 km (0.111 R)
• M3: 1,107,772 km (0.115 R)
• M4: 1,420,581 km (0.095 R)
• M5: 2,054,278 km (0.079 R)
• M6: 2,325,499 km (0.047 R)
• M7: 4,387,107 km (0.098 R)
• M8: 5,007,190 km (0.117 R)
• M9: 7,004,920 km (0.1 R)
• M10: 7,623,956 km (0.117 R)
• M11: 9,181,420 km (0.101 R)
• M12: 9,569,028 km (0.108 R)
• M13: 11,229,265 km (0.106 R)
• M14: 11,823,019 km (0.068 R)
• M15: 12,178,912 km (0.111 R)
• M16: 13,453,785 km (0.06 R)
• M17: 19,098,412 km (0.076 R)
• M18: 22,786,299 km (0.097 R)
• M19: 23,576,774 km (0.037 R)
• M20: 25,464,400 km (0.049 R)
• M21: 28,526,668 km (0.084 R)
• M22: 31,436,646 km (0.112 R)
• M23: 32,021,873 km (0.117 R)
• M24: 34,127,313 km (0.084 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: 455 - 18,536 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit