🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.2

Radius: 10.5

Gravity: 8.63 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.56 AU - 0.92 AU

Year: 424 Days

Day: 6.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,479,456 km

• M1: 130,599 km (0.098 R)
• M2: 466,895 km (0.089 R)
• M3: 840,291 km (0.092 R)
• M4: 1,387,670 km (0.113 R)
• M5: 1,725,163 km (0.106 R)
• M6: 2,778,032 km (0.074 R)
• M7: 3,156,814 km (0.052 R)
• M8: 3,646,598 km (0.091 R)
• M9: 4,300,939 km (0.102 R)
• M10: 4,841,585 km (0.066 R)
• M11: 5,772,383 km (0.059 R)
• M12: 6,150,866 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.7

Radius: 9.5

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.7 AU - 0.9 AU

Year: 477 Days

Day: 8.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,479,456 km

• M1: 118,182 km (0.073 R)
• M2: 457,171 km (0.063 R)
• M3: 831,465 km (0.043 R)
• M4: 1,253,630 km (0.078 R)
• M5: 1,743,862 km (0.07 R)
• M6: 2,086,741 km (0.113 R)
• M7: 2,420,494 km (0.096 R)
• M8: 3,397,667 km (0.065 R)
• M9: 3,751,765 km (0.064 R)
• M10: 4,182,756 km (0.087 R)
• M11: 4,534,461 km (0.114 R)
• M12: 5,159,631 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57

Radius: 11.4

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.13 AU - 1.39 AU

Year: 943 Days

Day: 13.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 71,479,456 km

• M1: 141,819 km (0.027 R)
• M2: 647,460 km (0.104 R)
• M3: 1,414,597 km (0.118 R)
• M4: 2,026,902 km (0.078 R)
• M5: 2,961,140 km (0.069 R)
• M6: 3,771,961 km (0.026 R)
• M7: 4,260,847 km (0.082 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 442.7

Radius: 7.5

Gravity: 7.87 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 5.76 AU - 5.78 AU

Year: 9243 Days

Day: 19.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 71,479,456 km

• M1: 93,349 km (0.114 R)
• M2: 329,714 km (0.075 R)
• M3: 865,424 km (0.11 R)
• M4: 1,131,409 km (0.034 R)
• M5: 1,390,811 km (0.04 R)
• M6: 1,848,282 km (0.086 R)
• M7: 2,331,932 km (0.098 R)
• M8: 2,566,501 km (0.086 R)
• M9: 3,041,325 km (0.091 R)
• M10: 5,769,840 km (0.116 R)
• M11: 6,982,481 km (0.091 R)
• M12: 8,027,721 km (0.119 R)
• M13: 9,041,247 km (0.1 R)
• M14: 11,167,481 km (0.054 R)
• M15: 11,422,695 km (0.054 R)
• M16: 12,757,407 km (0.055 R)
• M17: 15,291,296 km (0.097 R)
• M18: 18,072,320 km (0.062 R)
• M19: 19,655,664 km (0.113 R)
• M20: 20,253,757 km (0.079 R)
• M21: 21,018,351 km (0.063 R)
• M22: 22,849,579 km (0.103 R)
• M23: 23,594,277 km (0.113 R)
• M24: 24,099,619 km (0.098 R)
• M25: 24,958,011 km (0.102 R)
• M26: 30,144,869 km (0.08 R)
• M27: 32,055,981 km (0.096 R)
• M28: 35,675,203 km (0.055 R)
• M29: 38,969,946 km (0.032 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 664.9

Radius: 4.1

Gravity: 39.55 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 7.98 AU - 8.62 AU

Year: 15946 Days

Day: 18.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 71,479,456 km

• M1: 51,013 km (0.08 R)
• M2: 374,593 km (0.105 R)
• M3: 530,923 km (0.045 R)
• M4: 869,762 km (0.027 R)
• M5: 1,124,228 km (0.091 R)
• M6: 1,382,434 km (0.118 R)
• M7: 1,851,573 km (0.119 R)
• M8: 2,849,989 km (0.113 R)
• M9: 3,302,971 km (0.105 R)
• M10: 4,162,411 km (0.11 R)
• M11: 5,019,757 km (0.108 R)
• M12: 6,475,194 km (0.062 R)
• M13: 7,526,867 km (0.118 R)
• M14: 7,996,904 km (0.045 R)
• M15: 9,310,373 km (0.04 R)
• M16: 10,819,816 km (0.08 R)
• M17: 11,056,479 km (0.097 R)
• M18: 12,291,859 km (0.09 R)
• M19: 13,479,965 km (0.096 R)
• M20: 15,106,842 km (0.12 R)
• M21: 18,156,544 km (0.114 R)
• M22: 21,129,652 km (0.104 R)
• M23: 27,576,273 km (0.069 R)
• M24: 30,531,130 km (0.055 R)
• M25: 32,819,230 km (0.102 R)
• M26: 38,826,781 km (0.044 R)
• M27: 41,508,173 km (0.066 R)
• M28: 52,957,945 km (0.097 R)
• M29: 53,468,822 km (0.076 R)
• M30: 53,639,813 km (0.073 R)
• M31: 54,155,177 km (0.112 R)
• M32: 61,719,444 km (0.094 R)
• M33: 63,235,768 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 647.9

Radius: 5.8

Gravity: 19.26 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 8.03 AU - 8.89 AU

Year: 16409 Days

Day: 16.1 Hours

Environment

Temp: -242 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 71,479,456 km

• M1: 72,705 km (0.094 R)
• M2: 255,364 km (0.082 R)
• M3: 459,864 km (0.071 R)
• M4: 677,678 km (0.094 R)
• M5: 1,143,676 km (0.075 R)
• M6: 1,634,058 km (0.097 R)
• M7: 2,020,020 km (0.091 R)
• M8: 3,122,706 km (0.093 R)
• M9: 3,465,285 km (0.108 R)
• M10: 5,951,302 km (0.05 R)
• M11: 7,624,255 km (0.095 R)
• M12: 10,715,097 km (0.055 R)
• M13: 18,446,315 km (0.051 R)
• M14: 22,595,711 km (0.112 R)
• M15: 25,508,382 km (0.086 R)
• M16: 26,140,732 km (0.109 R)
• M17: 26,567,983 km (0.061 R)
• M18: 29,806,777 km (0.111 R)
• M19: 30,626,125 km (0.119 R)
• M20: 30,863,088 km (0.076 R)
• M21: 39,522,710 km (0.117 R)
• M22: 40,085,647 km (0.075 R)
• M23: 40,796,835 km (0.098 R)
• M24: 43,725,513 km (0.095 R)
• M25: 53,690,227 km (0.081 R)
• M26: 56,487,109 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 413.5

Radius: 3.1

Gravity: 43.03 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 8.71 AU - 12.75 AU

Year: 23438 Days

Day: 17.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 71,479,456 km

• M1: 39,643 km (0.119 R)
• M2: 150,047 km (0.087 R)
• M3: 414,835 km (0.084 R)
• M4: 544,237 km (0.097 R)
• M5: 1,013,825 km (0.093 R)
• M6: 1,128,267 km (0.102 R)
• M7: 1,323,343 km (0.083 R)
• M8: 2,871,382 km (0.029 R)
• M9: 2,997,792 km (0.114 R)
• M10: 3,154,421 km (0.037 R)
• M11: 4,714,427 km (0.11 R)
• M12: 4,855,049 km (0.1 R)
• M13: 5,071,218 km (0.079 R)
• M14: 5,218,871 km (0.07 R)
• M15: 6,333,974 km (0.111 R)
• M16: 6,505,263 km (0.091 R)
• M17: 7,598,674 km (0.096 R)
• M18: 7,890,091 km (0.057 R)
• M19: 8,038,492 km (0.077 R)
• M20: 9,404,171 km (0.086 R)
• M21: 11,287,907 km (0.11 R)
• M22: 11,476,401 km (0.041 R)
• M23: 12,855,543 km (0.046 R)
• M24: 16,737,459 km (0.07 R)
• M25: 17,313,261 km (0.056 R)
• M26: 17,480,212 km (0.11 R)
• M27: 18,244,508 km (0.115 R)
• M28: 19,477,493 km (0.094 R)
• M29: 20,858,880 km (0.108 R)
• M30: 22,205,859 km (0.062 R)
• M31: 26,926,570 km (0.067 R)
• M32: 29,698,020 km (0.065 R)
• M33: 32,526,766 km (0.083 R)
• M34: 32,780,933 km (0.072 R)
• M35: 33,680,913 km (0.03 R)
• M36: 34,333,609 km (0.11 R)
• M37: 34,861,989 km (0.11 R)
• M38: 35,934,755 km (0.054 R)
• M39: 44,067,194 km (0.101 R)
• M40: 45,162,700 km (0.119 R)
• M41: 46,276,157 km (0.119 R)
• M42: 48,227,362 km (0.111 R)
• M43: 58,247,277 km (0.05 R)
• M44: 61,872,333 km (0.089 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: 271 - 13,219 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit