🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.89

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.48 AU - 0.72 AU

Year: 179 Days

Day: 26.4 Hours

Environment

Temp: 119 °C

Axial Tilt: 15.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.45

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.49 AU - 0.81 AU

Year: 202 Days

Day: 42 Hours

Environment

Temp: 122 °C

Axial Tilt: 22.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.45

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 3.52 AU - 3.72 AU

Year: 2652 Days

Day: 47.3 Hours

Environment

Temp: -126 °C

Axial Tilt: 29.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.73

Radius: 0.88

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 3.68 AU - 4.22 AU

Year: 3022 Days

Day: 26.8 Hours

Environment

Temp: -145 °C

Axial Tilt: 34.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 77,375,770 km

• M1: 20,495 km (0.094 R)

Asteroid Belt

Center: 4.23 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.7

Radius: 13.2

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 3.88 AU - 5.12 AU

Year: 3675 Days

Day: 8.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 77,375,770 km

• M1: 164,109 km (0.105 R)
• M2: 619,934 km (0.095 R)
• M3: 1,086,081 km (0.09 R)
• M4: 2,002,816 km (0.106 R)
• M5: 2,576,225 km (0.09 R)
• M6: 3,730,522 km (0.12 R)
• M7: 4,583,230 km (0.12 R)
• M8: 6,185,274 km (0.108 R)
• M9: 7,380,261 km (0.075 R)
• M10: 7,833,244 km (0.119 R)
• M11: 8,688,345 km (0.104 R)
• M12: 9,795,669 km (0.105 R)
• M13: 10,584,797 km (0.053 R)
• M14: 12,245,184 km (0.055 R)
• M15: 12,789,421 km (0.109 R)
• M16: 13,302,542 km (0.115 R)
• M17: 15,756,994 km (0.065 R)
• M18: 18,264,404 km (0.118 R)
• M19: 18,796,224 km (0.079 R)
• M20: 21,743,003 km (0.101 R)
• M21: 22,407,517 km (0.049 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.2

Radius: 9.2

Gravity: 10.54 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 4.69 AU - 5.71 AU

Year: 4565 Days

Day: 13.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,375,770 km

• M1: 114,442 km (0.086 R)
• M2: 510,578 km (0.102 R)
• M3: 860,786 km (0.104 R)
• M4: 1,879,099 km (0.084 R)
• M5: 2,292,737 km (0.086 R)
• M6: 2,712,658 km (0.117 R)
• M7: 3,243,581 km (0.12 R)
• M8: 5,661,980 km (0.105 R)
• M9: 6,660,845 km (0.096 R)
• M10: 7,846,408 km (0.096 R)
• M11: 11,752,558 km (0.032 R)
• M12: 12,594,046 km (0.11 R)
• M13: 15,593,035 km (0.057 R)
• M14: 17,039,497 km (0.112 R)
• M15: 21,693,786 km (0.108 R)
• M16: 22,431,902 km (0.116 R)
• M17: 24,429,482 km (0.08 R)
• M18: 29,665,856 km (0.032 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.2

Radius: 15

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 4.25 AU - 6.39 AU

Year: 4724 Days

Day: 14.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 77,375,770 km

• M1: 188,194 km (0.113 R)
• M2: 740,210 km (0.036 R)
• M3: 1,281,455 km (0.104 R)
• M4: 2,771,301 km (0.109 R)
• M5: 3,790,212 km (0.118 R)
• M6: 4,592,355 km (0.103 R)
• M7: 5,196,880 km (0.097 R)
• M8: 5,826,837 km (0.077 R)
• M9: 6,507,507 km (0.077 R)
• M10: 7,693,669 km (0.109 R)
• M11: 8,165,650 km (0.106 R)
• M12: 9,430,949 km (0.07 R)
• M13: 10,823,406 km (0.078 R)
• M14: 14,313,973 km (0.059 R)
• M15: 16,926,700 km (0.047 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.9

Radius: 11.5

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 7.16 AU - 7.92 AU

Year: 7971 Days

Day: 7 Hours

Environment

Temp: -171 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,375,770 km

• M1: 144,212 km (0.107 R)
• M2: 890,407 km (0.112 R)
• M3: 1,674,748 km (0.058 R)
• M4: 2,132,966 km (0.082 R)
• M5: 2,674,511 km (0.078 R)
• M6: 3,065,709 km (0.048 R)
• M7: 4,301,238 km (0.096 R)
• M8: 5,544,247 km (0.037 R)
• M9: 7,471,815 km (0.103 R)
• M10: 8,646,907 km (0.066 R)
• M11: 12,498,154 km (0.098 R)
• M12: 14,428,864 km (0.115 R)
• M13: 15,524,369 km (0.094 R)
• M14: 17,238,611 km (0.097 R)
• M15: 18,671,609 km (0.094 R)
• M16: 22,447,759 km (0.111 R)
• M17: 27,132,416 km (0.075 R)
• M18: 31,949,019 km (0.118 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.9

Radius: 13.3

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 7.67 AU - 10.83 AU

Year: 10831 Days

Day: 6.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 77,375,770 km

• M1: 165,455 km (0.087 R)
• M2: 617,690 km (0.064 R)
• M3: 1,226,553 km (0.098 R)
• M4: 2,415,557 km (0.045 R)
• M5: 4,456,670 km (0.092 R)
• M6: 5,178,629 km (0.045 R)
• M7: 7,193,264 km (0.104 R)
• M8: 8,397,976 km (0.069 R)
• M9: 10,402,438 km (0.111 R)
• M10: 11,621,660 km (0.116 R)
• M11: 12,485,887 km (0.099 R)
• M12: 14,525,654 km (0.093 R)
• M13: 16,244,683 km (0.069 R)
• M14: 21,012,068 km (0.114 R)
• M15: 21,727,296 km (0.044 R)
• M16: 23,038,670 km (0.086 R)
• M17: 24,056,385 km (0.045 R)
• M18: 24,576,237 km (0.105 R)
• M19: 27,102,796 km (0.101 R)
• M20: 29,010,318 km (0.096 R)
• M21: 29,797,801 km (0.11 R)
• M22: 32,246,120 km (0.064 R)
• M23: 34,168,303 km (0.1 R)
• M24: 38,948,853 km (0.056 R)
• M25: 39,546,048 km (0.094 R)

Planet 10 - Ice Giant

Semi-Major Axis: 18.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 330

Radius: 5.5

Gravity: 10.91 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 14.18 AU - 21.94 AU

Year: 29549 Days

Day: 22.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 77,375,770 km

• M1: 68,965 km (0.027 R)
• M2: 519,254 km (0.102 R)
• M3: 705,653 km (0.088 R)
• M4: 925,712 km (0.089 R)
• M5: 1,365,380 km (0.069 R)
• M6: 2,283,462 km (0.096 R)
• M7: 2,922,993 km (0.056 R)
• M8: 3,921,110 km (0.094 R)
• M9: 5,053,266 km (0.114 R)
• M10: 6,387,979 km (0.087 R)
• M11: 6,973,056 km (0.035 R)
• M12: 7,495,452 km (0.113 R)
• M13: 9,163,468 km (0.117 R)
• M14: 9,388,164 km (0.097 R)
• M15: 10,383,738 km (0.104 R)
• M16: 13,142,023 km (0.114 R)
• M17: 21,594,303 km (0.088 R)
• M18: 22,293,972 km (0.087 R)
• M19: 22,598,404 km (0.103 R)
• M20: 23,949,871 km (0.117 R)
• M21: 35,914,709 km (0.069 R)
• M22: 39,058,957 km (0.078 R)
• M23: 40,849,195 km (0.118 R)
• M24: 47,880,743 km (0.099 R)
• M25: 50,975,474 km (0.057 R)
• M26: 64,689,410 km (0.033 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 313 - 12,374 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit