🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.6

Radius: 10.5

Gravity: 7.42 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.55 AU - 0.75 AU

Year: 349 Days

Day: 14 Hours

Environment

Temp: -156 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,871,270 km

• M1: 130,599 km (0.091 R)
• M2: 462,557 km (0.119 R)
• M3: 830,418 km (0.104 R)
• M4: 1,192,893 km (0.104 R)
• M5: 1,567,786 km (0.082 R)
• M6: 1,912,010 km (0.113 R)
• M7: 2,543,762 km (0.119 R)
• M8: 3,088,598 km (0.093 R)
• M9: 3,746,828 km (0.067 R)
• M10: 4,694,531 km (0.049 R)
• M11: 5,079,297 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.3

Radius: 13.3

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.53 AU - 1.57 AU

Year: 1287 Days

Day: 8.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,871,270 km

• M1: 168,746 km (0.09 R)
• M2: 589,116 km (0.098 R)
• M3: 1,036,713 km (0.106 R)
• M4: 1,564,195 km (0.07 R)
• M5: 2,041,413 km (0.111 R)
• M6: 2,546,455 km (0.067 R)
• M7: 3,010,208 km (0.111 R)
• M8: 3,631,638 km (0.11 R)
• M9: 5,052,369 km (0.119 R)
• M10: 5,514,926 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.7

Radius: 13

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.81 AU - 2.15 AU

Year: 1858 Days

Day: 14.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,871,270 km

• M1: 161,715 km (0.11 R)
• M2: 569,519 km (0.116 R)
• M3: 995,125 km (0.081 R)
• M4: 1,418,637 km (0.112 R)
• M5: 2,093,473 km (0.112 R)
• M6: 2,929,126 km (0.074 R)
• M7: 4,147,751 km (0.109 R)
• M8: 4,733,576 km (0.109 R)
• M9: 5,259,861 km (0.104 R)
• M10: 6,456,345 km (0.099 R)
• M11: 7,561,724 km (0.085 R)
• M12: 8,821,637 km (0.096 R)
• M13: 9,349,568 km (0.091 R)
• M14: 11,175,111 km (0.075 R)
• M15: 12,232,767 km (0.097 R)
• M16: 14,456,091 km (0.042 R)
• M17: 15,238,039 km (0.099 R)
• M18: 15,711,217 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.8

Radius: 8.6

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.57 AU - 2.57 AU

Year: 1986 Days

Day: 6.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,871,270 km

• M1: 107,112 km (0.079 R)
• M2: 474,076 km (0.101 R)
• M3: 816,954 km (0.088 R)
• M4: 1,302,698 km (0.092 R)
• M5: 1,909,318 km (0.099 R)
• M6: 2,220,481 km (0.069 R)
• M7: 3,215,606 km (0.119 R)
• M8: 3,548,312 km (0.1 R)
• M9: 4,230,478 km (0.108 R)
• M10: 5,036,661 km (0.097 R)
• M11: 5,571,773 km (0.111 R)
• M12: 7,510,262 km (0.053 R)
• M13: 8,460,657 km (0.1 R)
• M14: 8,804,283 km (0.117 R)
• M15: 9,367,519 km (0.048 R)
• M16: 10,208,858 km (0.111 R)
• M17: 11,373,328 km (0.042 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.7

Radius: 8.1

Gravity: 14.31 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 4.84 AU - 6.1 AU

Year: 8531 Days

Day: 11.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 50,871,270 km

• M1: 100,829 km (0.086 R)
• M2: 950,395 km (0.028 R)
• M3: 1,566,140 km (0.032 R)
• M4: 2,405,534 km (0.031 R)
• M5: 2,661,496 km (0.034 R)
• M6: 3,090,991 km (0.096 R)
• M7: 3,717,806 km (0.114 R)
• M8: 4,662,068 km (0.042 R)
• M9: 6,976,646 km (0.084 R)
• M10: 9,281,201 km (0.112 R)
• M11: 13,044,186 km (0.12 R)
• M12: 17,350,361 km (0.03 R)
• M13: 19,545,111 km (0.091 R)
• M14: 20,586,462 km (0.114 R)
• M15: 20,996,809 km (0.096 R)
• M16: 22,432,500 km (0.026 R)
• M17: 32,226,224 km (0.094 R)
• M18: 35,758,977 km (0.1 R)
• M19: 37,193,172 km (0.106 R)
• M20: 41,987,186 km (0.094 R)
• M21: 43,448,308 km (0.1 R)
• M22: 44,259,278 km (0.065 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 787.3

Radius: 5

Gravity: 31.49 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 6.59 AU - 8.13 AU

Year: 13315 Days

Day: 15.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,871,270 km

• M1: 154,535 km (0.045 R)
• M2: 1,166,564 km (0.112 R)
• M3: 1,438,084 km (0.039 R)
• M4: 3,063,016 km (0.088 R)
• M5: 3,580,775 km (0.108 R)
• M6: 4,035,552 km (0.109 R)
• M7: 4,624,369 km (0.112 R)
• M8: 5,971,049 km (0.05 R)
• M9: 7,117,119 km (0.1 R)
• M10: 7,380,561 km (0.109 R)
• M11: 10,723,175 km (0.092 R)
• M12: 13,438,826 km (0.12 R)
• M13: 25,164,007 km (0.09 R)
• M14: 27,027,698 km (0.037 R)
• M15: 29,879,482 km (0.079 R)
• M16: 46,719,864 km (0.107 R)
• M17: 50,806,728 km (0.094 R)
• M18: 56,675,752 km (0.102 R)
• M19: 59,682,669 km (0.111 R)
• M20: 60,405,376 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 806.7

Radius: 5

Gravity: 32.27 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 9.9 AU - 10.84 AU

Year: 22269 Days

Day: 16 Hours

Environment

Temp: -244 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,871,270 km

• M1: 64,327 km (0.115 R)
• M2: 256,112 km (0.054 R)
• M3: 608,265 km (0.053 R)
• M4: 993,180 km (0.06 R)
• M5: 1,225,057 km (0.074 R)
• M6: 2,209,710 km (0.1 R)
• M7: 3,363,409 km (0.101 R)
• M8: 3,573,444 km (0.119 R)
• M9: 3,792,156 km (0.078 R)
• M10: 6,361,949 km (0.088 R)
• M11: 7,922,254 km (0.034 R)
• M12: 8,403,361 km (0.06 R)
• M13: 11,639,313 km (0.115 R)
• M14: 12,543,781 km (0.036 R)
• M15: 17,777,463 km (0.113 R)
• M16: 21,836,502 km (0.085 R)
• M17: 22,147,965 km (0.096 R)
• M18: 27,303,855 km (0.052 R)
• M19: 35,015,476 km (0.106 R)
• M20: 48,849,838 km (0.111 R)
• M21: 56,276,924 km (0.104 R)
• M22: 74,954,667 km (0.106 R)
• M23: 82,998,395 km (0.06 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 163.7

Radius: 4.3

Gravity: 8.85 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 9.01 AU - 11.79 AU

Year: 22366 Days

Day: 21.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,871,270 km

• M1: 53,406 km (0.105 R)
• M2: 265,536 km (0.107 R)
• M3: 558,449 km (0.11 R)
• M4: 1,398,291 km (0.105 R)
• M5: 1,567,337 km (0.079 R)
• M6: 2,841,911 km (0.036 R)
• M7: 7,116,670 km (0.083 R)
• M8: 8,462,303 km (0.065 R)
• M9: 13,126,764 km (0.09 R)
• M10: 15,269,305 km (0.064 R)
• M11: 19,903,847 km (0.117 R)
• M12: 20,313,895 km (0.026 R)
• M13: 36,976,255 km (0.076 R)
• M14: 37,347,108 km (0.054 R)
• M15: 40,797,434 km (0.068 R)
• M16: 41,325,963 km (0.101 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 525 - 15,756 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit