🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.61 AU - 0.69 AU

Year: 185 Days

Day: 31.6 Hours

Environment

Temp: 224 °C

Axial Tilt: 9.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 84,048,388 km

• M1: 93,349 km (0.092 R)
• M2: 200,162 km (0.085 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.01

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.92 AU - 1.26 AU

Year: 402 Days

Day: 46.6 Hours

Environment

Temp: 28 °C

Axial Tilt: 44.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.72

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.02 AU - 1.48 AU

Year: 493 Days

Day: 12.5 Hours

Environment

Temp: 19 °C

Axial Tilt: 31.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.27

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.46 AU - 1.8 AU

Year: 735 Days

Day: 39.2 Hours

Environment

Temp: -42 °C

Axial Tilt: 38 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.2

Radius: 13.7

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 5.92 AU - 7.94 AU

Year: 6442 Days

Day: 8 Hours

Environment

Temp: -158 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 84,048,388 km

• M1: 171,589 km (0.037 R)
• M2: 940,372 km (0.106 R)
• M3: 1,432,549 km (0.108 R)
• M4: 1,945,221 km (0.076 R)
• M5: 2,580,862 km (0.118 R)
• M6: 3,815,494 km (0.091 R)
• M7: 4,541,043 km (0.057 R)
• M8: 5,191,794 km (0.09 R)
• M9: 7,212,712 km (0.114 R)
• M10: 7,665,844 km (0.077 R)
• M11: 8,629,553 km (0.066 R)
• M12: 9,967,108 km (0.033 R)
• M13: 12,398,672 km (0.073 R)
• M14: 13,620,587 km (0.057 R)
• M15: 15,544,565 km (0.086 R)
• M16: 16,067,410 km (0.037 R)
• M17: 17,958,476 km (0.117 R)
• M18: 19,521,475 km (0.046 R)
• M19: 20,062,122 km (0.053 R)
• M20: 27,186,271 km (0.079 R)
• M21: 28,116,770 km (0.087 R)
• M22: 29,331,655 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.2

Radius: 13.4

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 9.65 AU - 11.61 AU

Year: 12238 Days

Day: 7.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 84,048,388 km

• M1: 166,652 km (0.104 R)
• M2: 687,253 km (0.067 R)
• M3: 1,334,413 km (0.076 R)
• M4: 1,814,024 km (0.115 R)
• M5: 2,428,572 km (0.1 R)
• M6: 3,000,036 km (0.084 R)
• M7: 4,503,644 km (0.04 R)
• M8: 7,907,295 km (0.118 R)
• M9: 8,614,593 km (0.041 R)
• M10: 11,099,863 km (0.106 R)
• M11: 11,649,186 km (0.049 R)
• M12: 14,285,101 km (0.112 R)
• M13: 17,960,720 km (0.118 R)
• M14: 19,419,449 km (0.049 R)
• M15: 20,543,827 km (0.106 R)
• M16: 21,457,271 km (0.11 R)
• M17: 22,922,134 km (0.106 R)
• M18: 23,814,485 km (0.095 R)
• M19: 24,269,263 km (0.092 R)
• M20: 26,923,877 km (0.109 R)
• M21: 30,400,980 km (0.117 R)
• M22: 31,260,719 km (0.083 R)
• M23: 33,822,732 km (0.102 R)
• M24: 37,739,055 km (0.075 R)
• M25: 41,552,753 km (0.099 R)
• M26: 42,345,323 km (0.069 R)
• M27: 44,921,398 km (0.119 R)
• M28: 47,744,310 km (0.036 R)
• M29: 48,468,065 km (0.063 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 289.8

Radius: 6

Gravity: 8.05 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 16.72 AU - 20.02 AU

Year: 27801 Days

Day: 17.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 84,048,388 km

• M1: 74,799 km (0.076 R)
• M2: 286,779 km (0.036 R)
• M3: 531,970 km (0.107 R)
• M4: 1,032,674 km (0.083 R)
• M5: 1,504,805 km (0.079 R)
• M6: 4,488,086 km (0.12 R)
• M7: 4,901,574 km (0.063 R)
• M8: 6,128,726 km (0.094 R)
• M9: 6,379,751 km (0.081 R)
• M10: 6,637,658 km (0.101 R)
• M11: 6,947,325 km (0.074 R)
• M12: 7,595,533 km (0.116 R)
• M13: 8,082,773 km (0.092 R)
• M14: 9,065,481 km (0.1 R)
• M15: 12,689,939 km (0.081 R)
• M16: 15,969,423 km (0.097 R)
• M17: 18,100,594 km (0.097 R)
• M18: 23,118,705 km (0.063 R)
• M19: 26,934,498 km (0.069 R)
• M20: 27,608,736 km (0.111 R)
• M21: 33,931,041 km (0.101 R)
• M22: 34,322,688 km (0.08 R)
• M23: 38,124,718 km (0.098 R)
• M24: 39,692,205 km (0.111 R)
• M25: 42,651,251 km (0.059 R)
• M26: 43,874,961 km (0.118 R)
• M27: 44,651,524 km (0.062 R)
• M28: 53,631,136 km (0.075 R)
• M29: 55,778,015 km (0.12 R)
• M30: 56,141,239 km (0.042 R)
• M31: 56,506,108 km (0.114 R)
• M32: 65,946,781 km (0.115 R)

Asteroid Belt

Center: 18.72 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 19.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 427.1

Radius: 7.7

Gravity: 7.2 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 14.99 AU - 23.15 AU

Year: 29405 Days

Day: 15.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 84,048,388 km

• M1: 95,892 km (0.095 R)
• M2: 446,101 km (0.066 R)
• M3: 1,077,703 km (0.1 R)
• M4: 1,345,483 km (0.07 R)
• M5: 2,408,077 km (0.082 R)
• M6: 3,031,302 km (0.046 R)
• M7: 3,757,300 km (0.074 R)
• M8: 4,630,054 km (0.093 R)
• M9: 5,631,462 km (0.09 R)
• M10: 10,843,751 km (0.113 R)
• M11: 13,315,258 km (0.055 R)
• M12: 21,591,610 km (0.116 R)
• M13: 24,231,863 km (0.081 R)
• M14: 24,784,478 km (0.107 R)
• M15: 25,572,410 km (0.104 R)
• M16: 27,316,721 km (0.105 R)
• M17: 28,400,707 km (0.087 R)
• M18: 29,138,972 km (0.101 R)
• M19: 30,525,894 km (0.059 R)
• M20: 31,300,512 km (0.102 R)
• M21: 32,220,838 km (0.088 R)
• M22: 39,023,353 km (0.086 R)
• M23: 42,757,914 km (0.119 R)
• M24: 44,877,117 km (0.087 R)
• M25: 52,568,393 km (0.1 R)
• M26: 56,144,829 km (0.073 R)
• M27: 57,502,430 km (0.08 R)
• M28: 59,880,288 km (0.105 R)
• M29: 64,197,981 km (0.077 R)
• M30: 67,188,892 km (0.06 R)
• M31: 78,869,643 km (0.044 R)
• M32: 80,326,876 km (0.104 R)

Kuiper Belt

Range: 31.1 - 48.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 448 - 19,216 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit