🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.75

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.53 AU - 0.55 AU

Year: 181 Days

Day: 17.1 Hours

Environment

Temp: 23 °C

Axial Tilt: 15.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.44

Radius: 0.72

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.48 AU - 0.66 AU

Year: 196 Days

Day: 16.6 Hours

Environment

Temp: 11 °C

Axial Tilt: 49.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.54

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.08 AU - 1.48 AU

Year: 661 Days

Day: 25.7 Hours

Environment

Temp: -93 °C

Axial Tilt: 48.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.43 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.7

Radius: 9.4

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 3.45 AU - 3.71 AU

Year: 3093 Days

Day: 13.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 92,665,788 km

• M1: 116,836 km (0.106 R)
• M2: 466,895 km (0.087 R)
• M3: 877,691 km (0.066 R)
• M4: 1,324,988 km (0.074 R)
• M5: 1,944,024 km (0.113 R)
• M6: 2,273,289 km (0.114 R)
• M7: 3,474,859 km (0.072 R)
• M8: 4,412,688 km (0.113 R)
• M9: 5,291,875 km (0.103 R)
• M10: 6,337,714 km (0.045 R)
• M11: 6,668,325 km (0.092 R)
• M12: 7,394,623 km (0.089 R)
• M13: 8,012,761 km (0.117 R)
• M14: 8,935,630 km (0.073 R)
• M15: 9,387,566 km (0.069 R)
• M16: 10,913,165 km (0.068 R)
• M17: 12,426,198 km (0.091 R)
• M18: 14,401,787 km (0.094 R)
• M19: 16,371,841 km (0.058 R)
• M20: 19,078,815 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.8

Radius: 12.9

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 3.76 AU - 5.3 AU

Year: 4402 Days

Day: 6.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 92,665,788 km

• M1: 160,519 km (0.076 R)
• M2: 717,023 km (0.108 R)
• M3: 1,347,877 km (0.083 R)
• M4: 1,758,972 km (0.087 R)
• M5: 2,270,896 km (0.068 R)
• M6: 2,754,845 km (0.075 R)
• M7: 3,167,735 km (0.107 R)
• M8: 3,709,578 km (0.074 R)
• M9: 4,561,837 km (0.036 R)
• M10: 5,283,647 km (0.107 R)
• M11: 8,638,529 km (0.099 R)
• M12: 9,659,834 km (0.078 R)
• M13: 14,619,003 km (0.082 R)
• M14: 16,007,870 km (0.088 R)
• M15: 18,713,796 km (0.099 R)
• M16: 19,588,644 km (0.106 R)
• M17: 20,279,936 km (0.116 R)
• M18: 21,711,438 km (0.108 R)
• M19: 23,285,956 km (0.106 R)
• M20: 26,077,302 km (0.119 R)
• M21: 27,253,890 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.7

Radius: 8.1

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 6.52 AU - 9.88 AU

Year: 10721 Days

Day: 7.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 92,665,788 km

• M1: 100,829 km (0.068 R)
• M2: 355,445 km (0.048 R)
• M3: 671,994 km (0.08 R)
• M4: 1,020,407 km (0.078 R)
• M5: 1,792,332 km (0.104 R)
• M6: 2,219,883 km (0.113 R)
• M7: 2,529,550 km (0.117 R)
• M8: 3,388,242 km (0.068 R)
• M9: 4,195,023 km (0.054 R)
• M10: 6,019,370 km (0.048 R)
• M11: 6,907,532 km (0.113 R)
• M12: 7,308,454 km (0.099 R)
• M13: 9,199,521 km (0.047 R)
• M14: 10,564,452 km (0.04 R)
• M15: 11,395,319 km (0.029 R)
• M16: 11,852,490 km (0.042 R)
• M17: 12,216,461 km (0.103 R)
• M18: 12,695,324 km (0.058 R)
• M19: 13,521,254 km (0.052 R)
• M20: 15,402,298 km (0.102 R)
• M21: 16,857,586 km (0.113 R)
• M22: 21,771,128 km (0.076 R)
• M23: 23,113,769 km (0.107 R)
• M24: 23,764,220 km (0.111 R)
• M25: 24,594,488 km (0.042 R)
• M26: 29,890,702 km (0.108 R)
• M27: 30,662,776 km (0.111 R)
• M28: 30,955,689 km (0.048 R)
• M29: 31,349,131 km (0.093 R)
• M30: 35,041,955 km (0.065 R)
• M31: 35,900,347 km (0.073 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 840.6

Radius: 7.4

Gravity: 15.35 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 10.17 AU - 11.53 AU

Year: 16317 Days

Day: 18.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 92,665,788 km

• M1: 108,907 km (0.049 R)
• M2: 341,532 km (0.091 R)
• M3: 610,659 km (0.079 R)
• M4: 1,098,796 km (0.12 R)
• M5: 1,369,569 km (0.053 R)
• M6: 1,878,800 km (0.097 R)
• M7: 2,187,719 km (0.049 R)
• M8: 2,508,008 km (0.119 R)
• M9: 2,908,631 km (0.1 R)
• M10: 3,546,218 km (0.115 R)
• M11: 4,741,205 km (0.092 R)
• M12: 5,132,404 km (0.03 R)
• M13: 5,622,337 km (0.054 R)
• M14: 6,695,402 km (0.108 R)
• M15: 7,006,267 km (0.115 R)
• M16: 8,145,903 km (0.12 R)
• M17: 9,570,374 km (0.106 R)
• M18: 10,607,686 km (0.033 R)
• M19: 11,277,286 km (0.097 R)
• M20: 12,500,099 km (0.029 R)
• M21: 13,666,813 km (0.112 R)
• M22: 14,904,585 km (0.114 R)
• M23: 16,454,569 km (0.078 R)
• M24: 18,108,822 km (0.085 R)
• M25: 23,630,928 km (0.114 R)
• M26: 25,839,591 km (0.101 R)
• M27: 26,495,129 km (0.063 R)
• M28: 26,826,937 km (0.085 R)
• M29: 29,582,680 km (0.072 R)
• M30: 29,939,919 km (0.112 R)
• M31: 34,981,816 km (0.117 R)
• M32: 41,298,437 km (0.098 R)
• M33: 55,225,251 km (0.11 R)
• M34: 57,044,810 km (0.067 R)
• M35: 59,280,400 km (0.094 R)
• M36: 62,351,196 km (0.095 R)

Asteroid Belt

Center: 13.05 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 15.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 670.8

Radius: 6.5

Gravity: 15.88 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 13.59 AU - 16.89 AU

Year: 27163 Days

Day: 24.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 92,665,788 km

• M1: 80,932 km (0.117 R)
• M2: 298,597 km (0.075 R)
• M3: 746,493 km (0.03 R)
• M4: 1,149,510 km (0.102 R)
• M5: 1,580,202 km (0.041 R)
• M6: 1,784,403 km (0.062 R)
• M7: 3,288,460 km (0.054 R)
• M8: 5,323,291 km (0.077 R)
• M9: 6,555,678 km (0.115 R)
• M10: 7,390,733 km (0.103 R)
• M11: 7,649,388 km (0.05 R)
• M12: 8,075,592 km (0.095 R)
• M13: 8,405,605 km (0.059 R)
• M14: 10,066,142 km (0.088 R)
• M15: 11,863,560 km (0.103 R)
• M16: 13,478,170 km (0.09 R)
• M17: 14,258,472 km (0.085 R)
• M18: 15,823,116 km (0.067 R)
• M19: 16,868,506 km (0.05 R)
• M20: 17,136,885 km (0.119 R)
• M21: 17,499,061 km (0.069 R)
• M22: 20,279,787 km (0.117 R)
• M23: 22,576,263 km (0.099 R)
• M24: 24,924,651 km (0.111 R)
• M25: 26,337,304 km (0.102 R)
• M26: 33,639,774 km (0.106 R)
• M27: 36,693,216 km (0.108 R)
• M28: 39,140,039 km (0.095 R)
• M29: 41,856,736 km (0.069 R)
• M30: 50,570,962 km (0.12 R)
• M31: 51,129,261 km (0.088 R)
• M32: 65,130,575 km (0.103 R)
• M33: 65,350,334 km (0.095 R)
• M34: 69,620,455 km (0.092 R)
• M35: 75,033,654 km (0.1 R)
• M36: 78,960,599 km (0.085 R)
• M37: 80,215,276 km (0.076 R)
• M38: 85,630,270 km (0.108 R)
• M39: 86,688,675 km (0.029 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 508 - 10,843 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit