🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1

Radius: 1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.8 AU - 1.08 AU

Year: 319 Days

Day: 47.5 Hours

Environment

Temp: 137 °C

Axial Tilt: 29.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.21

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.45 AU - 1.65 AU

Year: 675 Days

Day: 21.2 Hours

Environment

Temp: -7 °C

Axial Tilt: 48.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.2

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.69 AU - 2.47 AU

Year: 1049 Days

Day: 16.2 Hours

Environment

Temp: -47 °C

Axial Tilt: 23.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 103,336,752 km

• M1: 184,753 km (0.114 R)
• M2: 325,974 km (0.08 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.15

Radius: 0.47

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.63 AU - 2.73 AU

Year: 1535 Days

Day: 46 Hours

Environment

Temp: -85 °C

Axial Tilt: 83.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.4

Radius: 11

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 5.96 AU - 6.52 AU

Year: 5453 Days

Day: 9.8 Hours

Environment

Temp: -134 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 103,336,752 km

• M1: 137,480 km (0.057 R)
• M2: 498,610 km (0.083 R)
• M3: 1,138,739 km (0.05 R)
• M4: 1,704,668 km (0.078 R)
• M5: 2,261,920 km (0.06 R)
• M6: 3,012,004 km (0.063 R)
• M7: 3,677,864 km (0.088 R)
• M8: 5,274,821 km (0.059 R)
• M9: 5,908,069 km (0.064 R)
• M10: 6,431,512 km (0.114 R)
• M11: 7,571,447 km (0.118 R)
• M12: 9,651,606 km (0.105 R)
• M13: 10,204,520 km (0.104 R)
• M14: 10,959,390 km (0.112 R)
• M15: 11,703,341 km (0.091 R)
• M16: 12,283,182 km (0.112 R)
• M17: 13,395,891 km (0.119 R)
• M18: 14,138,196 km (0.076 R)
• M19: 14,574,573 km (0.044 R)
• M20: 15,019,925 km (0.114 R)
• M21: 16,832,154 km (0.071 R)
• M22: 19,447,125 km (0.044 R)
• M23: 19,851,189 km (0.105 R)
• M24: 20,260,937 km (0.085 R)
• M25: 22,395,100 km (0.089 R)
• M26: 24,284,671 km (0.067 R)
• M27: 25,952,239 km (0.119 R)
• M28: 26,855,511 km (0.099 R)
• M29: 27,949,969 km (0.112 R)
• M30: 29,869,459 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 948.1

Radius: 7

Gravity: 19.35 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 15.73 AU - 19.35 AU

Year: 25699 Days

Day: 24.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 103,336,752 km

• M1: 87,664 km (0.109 R)
• M2: 425,008 km (0.118 R)
• M3: 841,039 km (0.106 R)
• M4: 1,212,491 km (0.103 R)
• M5: 1,541,756 km (0.097 R)
• M6: 3,012,901 km (0.086 R)
• M7: 3,784,677 km (0.077 R)
• M8: 4,307,222 km (0.034 R)
• M9: 5,538,412 km (0.093 R)
• M10: 6,938,200 km (0.038 R)
• M11: 10,483,520 km (0.108 R)
• M12: 11,300,324 km (0.111 R)
• M13: 14,330,130 km (0.109 R)
• M14: 15,420,997 km (0.053 R)
• M15: 17,861,687 km (0.115 R)
• M16: 25,006,780 km (0.087 R)
• M17: 25,969,742 km (0.109 R)
• M18: 28,097,771 km (0.097 R)
• M19: 29,935,432 km (0.105 R)
• M20: 30,204,408 km (0.089 R)
• M21: 31,020,764 km (0.118 R)
• M22: 36,536,138 km (0.046 R)
• M23: 36,997,498 km (0.082 R)
• M24: 38,246,790 km (0.106 R)
• M25: 45,270,260 km (0.113 R)
• M26: 57,966,781 km (0.104 R)
• M27: 59,438,226 km (0.113 R)
• M28: 60,504,410 km (0.112 R)
• M29: 60,934,354 km (0.05 R)
• M30: 70,205,234 km (0.093 R)
• M31: 74,064,111 km (0.082 R)
• M32: 79,083,418 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 20.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 628.6

Radius: 3.7

Gravity: 45.92 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 16.55 AU - 24.93 AU

Year: 33044 Days

Day: 15.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 103,336,752 km

• M1: 77,043 km (0.111 R)
• M2: 360,980 km (0.1 R)
• M3: 1,254,229 km (0.116 R)
• M4: 2,056,522 km (0.055 R)
• M5: 3,005,571 km (0.068 R)
• M6: 3,243,880 km (0.044 R)
• M7: 4,550,917 km (0.075 R)
• M8: 5,624,730 km (0.086 R)
• M9: 7,009,857 km (0.12 R)
• M10: 15,078,119 km (0.1 R)
• M11: 15,774,497 km (0.054 R)
• M12: 16,401,163 km (0.093 R)
• M13: 25,263,490 km (0.043 R)
• M14: 28,021,327 km (0.05 R)
• M15: 28,412,226 km (0.106 R)
• M16: 31,391,019 km (0.089 R)
• M17: 48,499,480 km (0.086 R)
• M18: 57,414,915 km (0.081 R)
• M19: 66,897,325 km (0.059 R)
• M20: 71,885,367 km (0.093 R)
• M21: 72,862,840 km (0.07 R)
• M22: 75,848,065 km (0.032 R)
• M23: 78,139,755 km (0.119 R)
• M24: 84,205,350 km (0.049 R)
• M25: 87,213,913 km (0.042 R)
• M26: 96,965,151 km (0.108 R)
• M27: 101,488,691 km (0.075 R)

Kuiper Belt

Range: 31.4 - 48.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 344 - 15,962 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit