🌌 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: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.6

Radius: 9.1

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.74 AU - 0.84 AU

Year: 485 Days

Day: 5.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 26,781,088 km

• M1: 113,096 km (0.052 R)
• M2: 691,890 km (0.09 R)
• M3: 1,018,612 km (0.11 R)
• M4: 1,325,886 km (0.097 R)
• M5: 2,204,025 km (0.071 R)
• M6: 2,498,733 km (0.109 R)
• M7: 2,876,169 km (0.109 R)
• M8: 3,199,300 km (0.091 R)
• M9: 3,503,133 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.1

Radius: 14.9

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.86 AU - 0.96 AU

Year: 599 Days

Day: 11 Hours

Environment

Temp: -175 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 26,781,088 km

• M1: 185,352 km (0.075 R)
• M2: 785,987 km (0.117 R)
• M3: 1,338,602 km (0.049 R)
• M4: 1,976,188 km (0.071 R)
• M5: 3,266,918 km (0.075 R)
• M6: 3,769,418 km (0.074 R)
• M7: 4,803,438 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.2

Radius: 13.1

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.77 AU - 1.23 AU

Year: 690 Days

Day: 12.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 26,781,088 km

• M1: 182,360 km (0.062 R)
• M2: 669,002 km (0.083 R)
• M3: 1,280,558 km (0.083 R)
• M4: 1,807,142 km (0.108 R)
• M5: 2,842,958 km (0.114 R)
• M6: 3,741,293 km (0.113 R)
• M7: 4,509,029 km (0.053 R)
• M8: 4,956,477 km (0.1 R)
• M9: 5,397,342 km (0.113 R)
• M10: 5,826,089 km (0.072 R)
• M11: 6,481,178 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.5

Radius: 14.3

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.05 AU - 1.09 AU

Year: 764 Days

Day: 5.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 26,781,088 km

• M1: 177,872 km (0.057 R)
• M2: 648,507 km (0.101 R)
• M3: 1,308,233 km (0.118 R)
• M4: 2,011,792 km (0.114 R)
• M5: 2,483,175 km (0.115 R)
• M6: 2,959,495 km (0.112 R)
• M7: 3,804,124 km (0.055 R)
• M8: 4,519,651 km (0.091 R)
• M9: 5,101,437 km (0.073 R)
• M10: 5,973,742 km (0.091 R)
• M11: 7,433,518 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.5

Radius: 11.4

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.29 AU - 1.65 AU

Year: 1230 Days

Day: 14.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 26,781,088 km

• M1: 141,819 km (0.098 R)
• M2: 529,876 km (0.086 R)
• M3: 1,075,609 km (0.116 R)
• M4: 1,764,058 km (0.072 R)
• M5: 2,715,800 km (0.11 R)
• M6: 3,232,660 km (0.085 R)
• M7: 3,651,684 km (0.116 R)
• M8: 4,044,079 km (0.067 R)
• M9: 4,565,877 km (0.1 R)
• M10: 5,040,850 km (0.086 R)
• M11: 5,626,675 km (0.116 R)
• M12: 6,236,286 km (0.085 R)
• M13: 6,710,960 km (0.077 R)
• M14: 9,044,238 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.2

Radius: 8.4

Gravity: 8.15 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.52 AU - 1.8 AU

Year: 1476 Days

Day: 14.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 26,781,088 km

• M1: 105,915 km (0.083 R)
• M2: 413,189 km (0.079 R)
• M3: 684,111 km (0.106 R)
• M4: 955,332 km (0.091 R)
• M5: 1,551,330 km (0.049 R)
• M6: 1,906,774 km (0.113 R)
• M7: 2,246,062 km (0.078 R)
• M8: 2,625,293 km (0.086 R)
• M9: 3,118,966 km (0.079 R)
• M10: 3,872,191 km (0.063 R)
• M11: 4,166,301 km (0.109 R)
• M12: 6,187,518 km (0.116 R)
• M13: 6,615,068 km (0.114 R)
• M14: 7,062,216 km (0.09 R)
• M15: 9,544,494 km (0.088 R)
• M16: 9,859,248 km (0.103 R)
• M17: 10,213,346 km (0.096 R)
• M18: 10,946,974 km (0.12 R)
• M19: 11,467,126 km (0.04 R)
• M20: 11,751,062 km (0.073 R)
• M21: 12,594,046 km (0.038 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.3

Radius: 13.8

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 3.18 AU - 3.78 AU

Year: 4481 Days

Day: 10 Hours

Environment

Temp: -211 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 26,781,088 km

• M1: 187,297 km (0.113 R)
• M2: 668,702 km (0.096 R)
• M3: 1,131,110 km (0.081 R)
• M4: 1,627,924 km (0.069 R)
• M5: 2,302,910 km (0.11 R)
• M6: 2,876,767 km (0.105 R)
• M7: 3,338,576 km (0.113 R)
• M8: 3,827,761 km (0.105 R)
• M9: 5,005,545 km (0.113 R)
• M10: 6,192,305 km (0.099 R)
• M11: 7,452,667 km (0.094 R)
• M12: 7,958,008 km (0.111 R)
• M13: 8,798,300 km (0.111 R)
• M14: 9,529,235 km (0.079 R)
• M15: 10,521,817 km (0.056 R)
• M16: 11,870,292 km (0.079 R)
• M17: 13,070,964 km (0.063 R)
• M18: 14,023,454 km (0.113 R)
• M19: 15,021,870 km (0.067 R)
• M20: 15,654,819 km (0.101 R)
• M21: 16,425,846 km (0.11 R)
• M22: 17,097,989 km (0.104 R)
• M23: 20,596,784 km (0.095 R)
• M24: 25,751,029 km (0.097 R)
• M25: 30,595,009 km (0.064 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.6

Radius: 11

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 3.75 AU - 4.83 AU

Year: 6133 Days

Day: 7.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 26,781,088 km

• M1: 160,369 km (0.093 R)
• M2: 760,107 km (0.111 R)
• M3: 1,369,569 km (0.097 R)
• M4: 2,000,124 km (0.1 R)
• M5: 2,391,023 km (0.107 R)
• M6: 3,010,358 km (0.11 R)
• M7: 4,058,740 km (0.07 R)
• M8: 5,045,188 km (0.055 R)
• M9: 6,862,802 km (0.107 R)
• M10: 7,386,694 km (0.099 R)
• M11: 8,043,279 km (0.099 R)
• M12: 8,477,711 km (0.103 R)
• M13: 9,999,122 km (0.1 R)
• M14: 10,846,444 km (0.072 R)
• M15: 14,401,787 km (0.072 R)
• M16: 15,482,033 km (0.069 R)
• M17: 16,499,748 km (0.107 R)
• M18: 21,985,801 km (0.117 R)
• M19: 22,765,206 km (0.118 R)
• M20: 24,379,217 km (0.081 R)
• M21: 24,984,640 km (0.12 R)
• M22: 25,833,308 km (0.088 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 215 - 14,043 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit