🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86

Radius: 8.8

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.55 AU - 0.69 AU

Year: 326 Days

Day: 5.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 56,969,788 km

• M1: 109,655 km (0.053 R)
• M2: 387,907 km (0.108 R)
• M3: 663,915 km (0.109 R)
• M4: 989,291 km (0.108 R)
• M5: 1,301,801 km (0.052 R)
• M6: 1,691,653 km (0.076 R)
• M7: 2,210,159 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558.6

Radius: 13.5

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.72 AU - 0.96 AU

Year: 513 Days

Day: 5.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,969,788 km

• M1: 167,849 km (0.082 R)
• M2: 1,089,372 km (0.094 R)
• M3: 1,738,028 km (0.115 R)
• M4: 2,205,671 km (0.087 R)
• M5: 2,696,651 km (0.069 R)
• M6: 3,354,283 km (0.088 R)
• M7: 3,916,173 km (0.1 R)
• M8: 4,687,948 km (0.06 R)
• M9: 5,134,498 km (0.109 R)
• M10: 5,954,294 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.6

Radius: 10.7

Gravity: 7.39 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.89 AU - 1.03 AU

Year: 627 Days

Day: 9.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 56,969,788 km

• M1: 133,591 km (0.063 R)
• M2: 846,425 km (0.087 R)
• M3: 1,180,178 km (0.087 R)
• M4: 2,018,374 km (0.086 R)
• M5: 2,429,469 km (0.111 R)
• M6: 2,861,059 km (0.08 R)
• M7: 3,516,298 km (0.107 R)
• M8: 3,938,164 km (0.108 R)
• M9: 4,331,008 km (0.102 R)
• M10: 4,850,412 km (0.111 R)
• M11: 5,669,610 km (0.067 R)
• M12: 6,014,433 km (0.112 R)
• M13: 6,537,128 km (0.059 R)
• M14: 7,378,017 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.5

Radius: 13.8

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.99 AU - 1.11 AU

Year: 717 Days

Day: 14.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 125.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,969,788 km

• M1: 171,589 km (0.051 R)
• M2: 832,961 km (0.11 R)
• M3: 1,270,984 km (0.105 R)
• M4: 1,796,670 km (0.085 R)
• M5: 2,579,666 km (0.077 R)
• M6: 3,133,327 km (0.088 R)
• M7: 3,725,885 km (0.116 R)
• M8: 4,171,387 km (0.069 R)
• M9: 4,923,266 km (0.095 R)
• M10: 6,658,601 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.7

Radius: 8.7

Gravity: 11.61 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 2.18 AU - 2.8 AU

Year: 2620 Days

Day: 13.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 56,969,788 km

• M1: 108,309 km (0.098 R)
• M2: 447,746 km (0.064 R)
• M3: 884,572 km (0.07 R)
• M4: 1,376,450 km (0.114 R)
• M5: 1,927,868 km (0.1 R)
• M6: 2,543,762 km (0.072 R)
• M7: 3,523,927 km (0.055 R)
• M8: 3,794,550 km (0.109 R)
• M9: 4,443,655 km (0.042 R)
• M10: 6,070,532 km (0.089 R)
• M11: 6,404,285 km (0.105 R)
• M12: 7,323,564 km (0.037 R)
• M13: 7,961,748 km (0.094 R)
• M14: 9,984,611 km (0.107 R)
• M15: 10,371,920 km (0.03 R)
• M16: 11,176,457 km (0.096 R)
• M17: 11,678,956 km (0.108 R)
• M18: 13,509,735 km (0.107 R)
• M19: 14,915,057 km (0.081 R)
• M20: 15,575,682 km (0.073 R)
• M21: 18,299,560 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.7

Radius: 12.4

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 2.7 AU - 3.1 AU

Year: 3293 Days

Day: 13.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,969,788 km

• M1: 160,668 km (0.094 R)
• M2: 883,974 km (0.105 R)
• M3: 1,385,875 km (0.112 R)
• M4: 2,064,301 km (0.116 R)
• M5: 2,822,762 km (0.058 R)
• M6: 3,231,763 km (0.11 R)
• M7: 3,660,959 km (0.029 R)
• M8: 5,110,413 km (0.088 R)
• M9: 6,615,218 km (0.11 R)
• M10: 7,033,793 km (0.069 R)
• M11: 8,431,934 km (0.11 R)
• M12: 11,176,008 km (0.105 R)
• M13: 11,815,090 km (0.103 R)
• M14: 15,695,809 km (0.102 R)
• M15: 16,335,190 km (0.083 R)
• M16: 17,495,770 km (0.101 R)
• M17: 18,125,278 km (0.109 R)
• M18: 19,429,622 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348

Radius: 12.4

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 4.83 AU - 5.43 AU

Year: 7748 Days

Day: 13.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 56,969,788 km

• M1: 154,235 km (0.057 R)
• M2: 550,071 km (0.028 R)
• M3: 1,177,036 km (0.102 R)
• M4: 1,639,892 km (0.114 R)
• M5: 3,178,955 km (0.098 R)
• M6: 3,772,410 km (0.079 R)
• M7: 4,489,432 km (0.054 R)
• M8: 6,615,966 km (0.076 R)
• M9: 7,550,803 km (0.101 R)
• M10: 8,107,157 km (0.091 R)
• M11: 9,013,421 km (0.079 R)
• M12: 11,501,982 km (0.115 R)
• M13: 13,646,916 km (0.082 R)
• M14: 15,866,201 km (0.111 R)
• M15: 17,219,313 km (0.114 R)
• M16: 19,391,175 km (0.07 R)
• M17: 21,813,913 km (0.082 R)
• M18: 28,034,491 km (0.102 R)
• M19: 29,280,043 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 760.4

Radius: 7.6

Gravity: 13.16 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 5.64 AU - 6.7 AU

Year: 10220 Days

Day: 18.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 56,969,788 km

• M1: 94,695 km (0.051 R)
• M2: 359,334 km (0.06 R)
• M3: 698,173 km (0.085 R)
• M4: 947,703 km (0.12 R)
• M5: 1,320,351 km (0.077 R)
• M6: 2,286,603 km (0.106 R)
• M7: 2,619,908 km (0.098 R)
• M8: 3,898,670 km (0.084 R)
• M9: 4,174,977 km (0.116 R)
• M10: 5,413,498 km (0.054 R)
• M11: 6,529,199 km (0.094 R)
• M12: 8,275,754 km (0.096 R)
• M13: 11,391,130 km (0.098 R)
• M14: 13,085,924 km (0.115 R)
• M15: 17,040,544 km (0.073 R)
• M16: 24,130,436 km (0.049 R)
• M17: 25,253,916 km (0.088 R)
• M18: 25,636,138 km (0.113 R)
• M19: 27,004,211 km (0.083 R)
• M20: 27,706,124 km (0.104 R)
• M21: 31,841,458 km (0.094 R)
• M22: 36,491,708 km (0.115 R)
• M23: 38,851,315 km (0.105 R)
• M24: 40,262,771 km (0.07 R)
• M25: 43,871,820 km (0.095 R)
• M26: 44,147,528 km (0.112 R)
• M27: 46,251,622 km (0.054 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 722.6

Radius: 3.2

Gravity: 70.57 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 6.78 AU - 7.5 AU

Year: 12723 Days

Day: 23 Hours

Environment

Temp: -234 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 56,969,788 km

• M1: 39,793 km (0.111 R)
• M2: 148,999 km (0.106 R)
• M3: 525,837 km (0.113 R)
• M4: 1,045,988 km (0.096 R)
• M5: 1,337,405 km (0.115 R)
• M6: 1,494,632 km (0.111 R)
• M7: 1,812,229 km (0.116 R)
• M8: 1,987,109 km (0.111 R)
• M9: 2,134,911 km (0.086 R)
• M10: 2,250,550 km (0.05 R)
• M11: 3,206,182 km (0.066 R)
• M12: 4,916,684 km (0.073 R)
• M13: 5,397,192 km (0.106 R)
• M14: 6,060,060 km (0.064 R)
• M15: 7,634,279 km (0.076 R)
• M16: 9,307,531 km (0.118 R)
• M17: 9,774,276 km (0.075 R)
• M18: 10,475,740 km (0.066 R)
• M19: 11,738,347 km (0.05 R)
• M20: 14,837,865 km (0.082 R)
• M21: 15,118,361 km (0.054 R)
• M22: 16,574,247 km (0.112 R)
• M23: 17,725,702 km (0.084 R)
• M24: 18,929,217 km (0.089 R)
• M25: 20,100,867 km (0.078 R)
• M26: 23,617,614 km (0.088 R)
• M27: 25,370,752 km (0.028 R)
• M28: 27,417,999 km (0.073 R)
• M29: 28,374,228 km (0.093 R)
• M30: 29,352,449 km (0.114 R)
• M31: 35,323,498 km (0.085 R)
• M32: 35,823,305 km (0.067 R)
• M33: 36,201,338 km (0.105 R)
• M34: 36,965,335 km (0.12 R)
• M35: 44,185,975 km (0.096 R)
• M36: 51,647,767 km (0.09 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 431.7

Radius: 3.7

Gravity: 31.53 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 7.44 AU - 9.42 AU

Year: 16322 Days

Day: 20.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,969,788 km

• M1: 49,666 km (0.057 R)
• M2: 230,530 km (0.119 R)
• M3: 775,366 km (0.094 R)
• M4: 3,661,857 km (0.116 R)
• M5: 6,420,292 km (0.084 R)
• M6: 6,661,444 km (0.081 R)
• M7: 6,992,055 km (0.058 R)
• M8: 7,161,549 km (0.107 R)
• M9: 15,678,754 km (0.091 R)
• M10: 18,182,574 km (0.117 R)
• M11: 18,991,001 km (0.064 R)
• M12: 20,505,829 km (0.092 R)
• M13: 21,204,301 km (0.091 R)
• M14: 30,297,608 km (0.067 R)
• M15: 33,785,034 km (0.12 R)
• M16: 45,685,544 km (0.056 R)
• M17: 49,005,270 km (0.1 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 462 - 14,712 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit