🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.7

Radius: 13.6

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.51 AU - 0.53 AU

Year: 259 Days

Day: 9.7 Hours

Environment

Temp: -132 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 44,170,188 km

• M1: 169,195 km (0.112 R)
• M2: 889,808 km (0.106 R)
• M3: 1,401,134 km (0.075 R)
• M4: 1,849,927 km (0.111 R)
• M5: 2,290,493 km (0.108 R)
• M6: 2,880,058 km (0.101 R)
• M7: 3,449,278 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.2

Radius: 9.5

Gravity: 6.86 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.96 AU - 1 AU

Year: 670 Days

Day: 14.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 169.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,170,188 km

• M1: 120,725 km (0.041 R)
• M2: 484,099 km (0.091 R)
• M3: 904,319 km (0.085 R)
• M4: 1,213,239 km (0.116 R)
• M5: 1,640,041 km (0.102 R)
• M6: 1,946,418 km (0.039 R)
• M7: 2,361,103 km (0.119 R)
• M8: 2,687,975 km (0.083 R)
• M9: 3,045,364 km (0.057 R)
• M10: 3,688,934 km (0.12 R)
• M11: 5,695,490 km (0.049 R)
• M12: 6,671,915 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.5

Radius: 14.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.57 AU - 1.79 AU

Year: 1503 Days

Day: 11.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 44,170,188 km

• M1: 179,069 km (0.095 R)
• M2: 788,979 km (0.07 R)
• M3: 1,264,850 km (0.034 R)
• M4: 1,822,551 km (0.101 R)
• M5: 2,284,210 km (0.083 R)
• M6: 2,825,006 km (0.073 R)
• M7: 3,451,372 km (0.083 R)
• M8: 4,397,280 km (0.072 R)
• M9: 4,860,435 km (0.052 R)
• M10: 5,646,422 km (0.066 R)
• M11: 6,111,971 km (0.089 R)
• M12: 6,892,423 km (0.111 R)
• M13: 8,111,047 km (0.112 R)
• M14: 9,081,788 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.6

Radius: 14.1

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 2.1 AU - 3.32 AU

Year: 3079 Days

Day: 7.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 44,170,188 km

• M1: 175,927 km (0.096 R)
• M2: 638,484 km (0.076 R)
• M3: 1,232,537 km (0.11 R)
• M4: 2,154,359 km (0.09 R)
• M5: 2,831,588 km (0.114 R)
• M6: 4,205,795 km (0.062 R)
• M7: 4,683,760 km (0.111 R)
• M8: 5,570,277 km (0.105 R)
• M9: 6,067,540 km (0.034 R)
• M10: 7,002,377 km (0.073 R)
• M11: 8,463,051 km (0.098 R)
• M12: 9,630,213 km (0.111 R)
• M13: 10,233,542 km (0.109 R)
• M14: 10,942,336 km (0.062 R)
• M15: 11,683,594 km (0.055 R)
• M16: 14,545,102 km (0.107 R)
• M17: 17,401,075 km (0.111 R)
• M18: 18,815,373 km (0.107 R)
• M19: 20,674,127 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.2

Radius: 8.1

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 4.86 AU - 5.38 AU

Year: 7997 Days

Day: 8.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 44,170,188 km

• M1: 105,317 km (0.085 R)
• M2: 674,088 km (0.115 R)
• M3: 1,399,937 km (0.058 R)
• M4: 1,973,196 km (0.096 R)
• M5: 2,371,425 km (0.079 R)
• M6: 2,694,108 km (0.096 R)
• M7: 3,495,055 km (0.092 R)
• M8: 3,860,373 km (0.065 R)
• M9: 6,822,560 km (0.106 R)
• M10: 8,296,848 km (0.116 R)
• M11: 8,727,540 km (0.07 R)
• M12: 9,368,716 km (0.093 R)
• M13: 11,481,188 km (0.113 R)
• M14: 12,211,375 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 348.4

Radius: 3.2

Gravity: 34.02 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 5.42 AU - 6.2 AU

Year: 9667 Days

Day: 23.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 44,170,188 km

• M1: 40,092 km (0.109 R)
• M2: 144,512 km (0.105 R)
• M3: 280,197 km (0.042 R)
• M4: 459,714 km (0.085 R)
• M5: 1,018,761 km (0.1 R)
• M6: 1,901,987 km (0.081 R)
• M7: 2,155,556 km (0.106 R)
• M8: 2,949,023 km (0.117 R)
• M9: 3,288,460 km (0.109 R)
• M10: 4,095,242 km (0.062 R)
• M11: 4,599,387 km (0.093 R)
• M12: 6,222,823 km (0.039 R)
• M13: 6,324,699 km (0.117 R)
• M14: 6,497,036 km (0.106 R)
• M15: 6,637,209 km (0.086 R)
• M16: 7,180,698 km (0.109 R)
• M17: 8,314,500 km (0.092 R)
• M18: 10,929,770 km (0.072 R)
• M19: 11,328,748 km (0.07 R)
• M20: 13,022,046 km (0.113 R)
• M21: 13,928,759 km (0.094 R)
• M22: 14,635,908 km (0.052 R)
• M23: 15,366,544 km (0.042 R)
• M24: 15,490,710 km (0.091 R)
• M25: 15,930,228 km (0.06 R)
• M26: 16,249,321 km (0.087 R)
• M27: 16,637,826 km (0.07 R)
• M28: 18,184,519 km (0.072 R)
• M29: 22,108,172 km (0.062 R)
• M30: 24,056,684 km (0.076 R)
• M31: 27,553,385 km (0.099 R)
• M32: 29,613,796 km (0.101 R)
• M33: 31,473,746 km (0.079 R)
• M34: 34,143,320 km (0.091 R)
• M35: 35,750,002 km (0.045 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 223.9

Radius: 4.8

Gravity: 9.72 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 6.3 AU - 9.6 AU

Year: 15473 Days

Day: 15.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 44,170,188 km

• M1: 59,839 km (0.101 R)
• M2: 308,471 km (0.119 R)
• M3: 568,921 km (0.094 R)
• M4: 1,017,714 km (0.108 R)
• M5: 1,573,919 km (0.114 R)
• M6: 1,778,120 km (0.073 R)
• M7: 4,297,498 km (0.087 R)
• M8: 4,907,558 km (0.098 R)
• M9: 5,409,758 km (0.118 R)
• M10: 7,358,570 km (0.078 R)
• M11: 7,641,459 km (0.11 R)
• M12: 9,027,184 km (0.113 R)
• M13: 18,968,112 km (0.084 R)
• M14: 21,973,534 km (0.083 R)
• M15: 22,475,285 km (0.062 R)
• M16: 22,984,666 km (0.116 R)
• M17: 35,425,973 km (0.044 R)
• M18: 36,931,526 km (0.108 R)
• M19: 40,692,865 km (0.04 R)
• M20: 42,086,519 km (0.07 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 210 - 13,173 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit