🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.6

Radius: 14.1

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.5 AU - 0.62 AU

Year: 279 Days

Day: 11.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 79,757,368 km

• M1: 175,478 km (0.102 R)
• M2: 708,645 km (0.12 R)
• M3: 1,212,341 km (0.063 R)
• M4: 1,697,786 km (0.081 R)
• M5: 2,180,539 km (0.057 R)
• M6: 2,627,836 km (0.065 R)
• M7: 3,451,672 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.1

Radius: 10.8

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.51 AU - 0.67 AU

Year: 302 Days

Day: 6.4 Hours

Environment

Temp: -139 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 79,757,368 km

• M1: 134,339 km (0.081 R)
• M2: 476,320 km (0.106 R)
• M3: 842,086 km (0.095 R)
• M4: 1,732,792 km (0.084 R)
• M5: 2,136,258 km (0.096 R)
• M6: 2,505,615 km (0.109 R)
• M7: 3,065,111 km (0.093 R)
• M8: 3,717,806 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.4

Radius: 14.6

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.69 AU - 0.97 AU

Year: 504 Days

Day: 7.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,757,368 km

• M1: 181,612 km (0.115 R)
• M2: 663,018 km (0.065 R)
• M3: 1,691,802 km (0.043 R)
• M4: 2,159,146 km (0.101 R)
• M5: 2,998,839 km (0.094 R)
• M6: 3,476,655 km (0.099 R)
• M7: 4,650,100 km (0.113 R)
• M8: 5,312,071 km (0.088 R)
• M9: 6,393,963 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.2

Radius: 14.4

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.49 AU - 1.67 AU

Year: 1324 Days

Day: 9.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,757,368 km

• M1: 179,517 km (0.102 R)
• M2: 630,405 km (0.094 R)
• M3: 1,432,848 km (0.083 R)
• M4: 2,233,047 km (0.098 R)
• M5: 3,622,363 km (0.114 R)
• M6: 4,410,444 km (0.111 R)
• M7: 7,402,103 km (0.095 R)
• M8: 7,956,213 km (0.083 R)
• M9: 9,787,141 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.1

Radius: 15

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 2.18 AU - 3.24 AU

Year: 2975 Days

Day: 14.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 79,757,368 km

• M1: 188,493 km (0.027 R)
• M2: 1,367,025 km (0.104 R)
• M3: 2,213,300 km (0.107 R)
• M4: 2,756,790 km (0.096 R)
• M5: 3,231,464 km (0.102 R)
• M6: 3,703,894 km (0.092 R)
• M7: 4,588,167 km (0.102 R)
• M8: 5,212,738 km (0.084 R)
• M9: 6,160,889 km (0.101 R)
• M10: 8,266,928 km (0.112 R)
• M11: 10,269,894 km (0.119 R)
• M12: 10,857,514 km (0.088 R)
• M13: 12,447,440 km (0.106 R)
• M14: 14,622,743 km (0.077 R)
• M15: 15,775,095 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.5

Radius: 11.5

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 2.93 AU - 3.73 AU

Year: 4052 Days

Day: 10.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,757,368 km

• M1: 158,873 km (0.117 R)
• M2: 586,573 km (0.09 R)
• M3: 996,322 km (0.059 R)
• M4: 1,918,593 km (0.105 R)
• M5: 3,081,417 km (0.079 R)
• M6: 4,210,881 km (0.042 R)
• M7: 7,608,249 km (0.118 R)
• M8: 8,252,267 km (0.115 R)
• M9: 8,828,070 km (0.114 R)
• M10: 10,327,489 km (0.118 R)
• M11: 15,381,503 km (0.103 R)
• M12: 16,944,203 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.3

Radius: 10.5

Gravity: 8.96 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 4.61 AU - 6.09 AU

Year: 8252 Days

Day: 9 Hours

Environment

Temp: -225 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 79,757,368 km

• M1: 130,599 km (0.097 R)
• M2: 622,776 km (0.103 R)
• M3: 1,362,537 km (0.098 R)
• M4: 1,776,475 km (0.101 R)
• M5: 2,149,871 km (0.111 R)
• M6: 2,615,719 km (0.11 R)
• M7: 2,992,107 km (0.077 R)
• M8: 4,232,573 km (0.077 R)
• M9: 4,784,738 km (0.099 R)
• M10: 5,583,741 km (0.116 R)
• M11: 5,997,678 km (0.063 R)
• M12: 6,771,697 km (0.079 R)
• M13: 7,486,775 km (0.039 R)
• M14: 8,607,861 km (0.101 R)
• M15: 9,640,984 km (0.106 R)
• M16: 11,180,496 km (0.103 R)
• M17: 12,122,364 km (0.071 R)
• M18: 13,116,442 km (0.045 R)
• M19: 13,912,452 km (0.099 R)
• M20: 14,290,636 km (0.109 R)
• M21: 18,610,574 km (0.089 R)
• M22: 21,148,950 km (0.111 R)
• M23: 22,414,847 km (0.117 R)
• M24: 23,730,411 km (0.046 R)
• M25: 26,418,984 km (0.1 R)
• M26: 28,387,393 km (0.087 R)
• M27: 32,173,565 km (0.114 R)
• M28: 33,170,186 km (0.102 R)
• M29: 38,095,098 km (0.109 R)
• M30: 42,028,325 km (0.107 R)
• M31: 46,224,096 km (0.096 R)
• M32: 47,350,568 km (0.058 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 667.9

Radius: 6.5

Gravity: 15.81 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 4.8 AU - 6.94 AU

Year: 9484 Days

Day: 24.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 79,757,368 km

• M1: 146,905 km (0.107 R)
• M2: 356,941 km (0.104 R)
• M3: 630,854 km (0.057 R)
• M4: 1,064,838 km (0.079 R)
• M5: 2,476,742 km (0.12 R)
• M6: 2,946,629 km (0.096 R)
• M7: 3,646,598 km (0.082 R)
• M8: 5,020,355 km (0.079 R)
• M9: 6,085,043 km (0.036 R)
• M10: 6,822,560 km (0.093 R)
• M11: 10,223,070 km (0.054 R)
• M12: 10,996,191 km (0.072 R)
• M13: 12,600,778 km (0.089 R)
• M14: 15,522,425 km (0.078 R)
• M15: 20,990,077 km (0.088 R)
• M16: 23,618,512 km (0.114 R)
• M17: 27,616,365 km (0.091 R)
• M18: 30,448,702 km (0.096 R)
• M19: 31,185,920 km (0.072 R)
• M20: 36,211,960 km (0.084 R)
• M21: 37,517,800 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 252.7

Radius: 4.5

Gravity: 12.48 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 8.89 AU - 9.17 AU

Year: 18095 Days

Day: 18.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 79,757,368 km

• M1: 56,548 km (0.107 R)
• M2: 324,627 km (0.099 R)
• M3: 901,477 km (0.105 R)
• M4: 1,365,081 km (0.089 R)
• M5: 2,077,914 km (0.057 R)
• M6: 3,319,427 km (0.036 R)
• M7: 3,493,858 km (0.105 R)
• M8: 6,430,016 km (0.116 R)
• M9: 7,647,443 km (0.114 R)
• M10: 7,820,677 km (0.111 R)
• M11: 9,011,028 km (0.095 R)
• M12: 9,301,996 km (0.093 R)
• M13: 10,581,955 km (0.06 R)
• M14: 12,326,865 km (0.099 R)
• M15: 13,050,769 km (0.115 R)
• M16: 15,255,542 km (0.075 R)
• M17: 16,517,699 km (0.113 R)
• M18: 17,174,135 km (0.045 R)
• M19: 18,076,210 km (0.112 R)
• M20: 19,009,401 km (0.095 R)
• M21: 20,138,267 km (0.098 R)
• M22: 21,827,377 km (0.116 R)
• M23: 26,360,192 km (0.091 R)
• M24: 27,155,305 km (0.076 R)
• M25: 29,212,575 km (0.099 R)
• M26: 33,982,952 km (0.076 R)
• M27: 39,762,964 km (0.04 R)
• M28: 40,152,667 km (0.099 R)
• M29: 41,337,033 km (0.081 R)
• M30: 48,639,354 km (0.086 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 703.3

Radius: 7.6

Gravity: 12.18 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 7.94 AU - 12.12 AU

Year: 21183 Days

Day: 23.3 Hours

Environment

Temp: -244 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 79,757,368 km

• M1: 94,546 km (0.108 R)
• M2: 770,878 km (0.068 R)
• M3: 1,102,237 km (0.041 R)
• M4: 1,679,984 km (0.077 R)
• M5: 2,118,904 km (0.118 R)
• M6: 2,632,175 km (0.113 R)
• M7: 3,510,015 km (0.106 R)
• M8: 3,811,305 km (0.072 R)
• M9: 4,261,894 km (0.098 R)
• M10: 5,425,765 km (0.057 R)
• M11: 5,706,411 km (0.112 R)
• M12: 5,996,631 km (0.074 R)
• M13: 9,992,689 km (0.107 R)
• M14: 11,687,932 km (0.045 R)
• M15: 12,430,685 km (0.11 R)
• M16: 13,786,940 km (0.076 R)
• M17: 16,043,175 km (0.069 R)
• M18: 16,538,942 km (0.107 R)
• M19: 19,636,964 km (0.116 R)
• M20: 21,470,885 km (0.118 R)
• M21: 22,073,016 km (0.103 R)
• M22: 22,686,367 km (0.084 R)
• M23: 31,212,249 km (0.062 R)
• M24: 31,597,015 km (0.091 R)
• M25: 33,034,651 km (0.098 R)
• M26: 46,639,679 km (0.111 R)
• M27: 48,845,051 km (0.078 R)
• M28: 55,688,406 km (0.087 R)
• M29: 58,751,422 km (0.064 R)
• M30: 59,337,995 km (0.081 R)
• M31: 61,522,124 km (0.066 R)
• M32: 66,472,617 km (0.106 R)
• M33: 69,044,504 km (0.104 R)
• M34: 76,690,750 km (0.216 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 497 - 17,907 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit