🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.77

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.6 AU - 0.72 AU

Year: 188 Days

Day: 41.5 Hours

Environment

Temp: 151 °C

Axial Tilt: 1.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.49

Radius: 1.82

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.02 AU - 1.22 AU

Year: 417 Days

Day: 21 Hours

Environment

Temp: 21 °C

Axial Tilt: 5.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 4.66 AU - 4.96 AU

Year: 3708 Days

Day: 20.5 Hours

Environment

Temp: -135 °C

Axial Tilt: 45.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 22,921,515 km

• M1: 4,376,037 km (0.12 R)

Asteroid Belt

Center: 5.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895.2

Radius: 13.1

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 4.92 AU - 7.32 AU

Year: 5321 Days

Day: 5.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 22,921,515 km

• M1: 164,707 km (0.108 R)
• M2: 636,389 km (0.105 R)
• M3: 1,897,799 km (0.072 R)
• M4: 2,371,425 km (0.093 R)
• M5: 2,848,194 km (0.084 R)
• M6: 3,496,551 km (0.119 R)
• M7: 5,348,872 km (0.075 R)
• M8: 6,242,270 km (0.09 R)
• M9: 7,860,620 km (0.055 R)
• M10: 9,568,579 km (0.078 R)
• M11: 10,884,591 km (0.099 R)
• M12: 12,011,363 km (0.034 R)
• M13: 12,473,022 km (0.102 R)
• M14: 15,556,533 km (0.059 R)
• M15: 17,371,903 km (0.12 R)
• M16: 19,116,065 km (0.073 R)
• M17: 19,746,321 km (0.072 R)
• M18: 20,462,595 km (0.049 R)
• M19: 22,023,499 km (0.116 R)
• M20: 23,344,149 km (0.085 R)
• M21: 24,389,090 km (0.118 R)
• M22: 24,881,866 km (0.066 R)
• M23: 27,534,236 km (0.088 R)
• M24: 30,559,404 km (0.097 R)
• M25: 31,615,116 km (0.076 R)
• M26: 32,398,112 km (0.052 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.2

Radius: 10.3

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 5.01 AU - 8 AU

Year: 5824 Days

Day: 13.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 22,921,515 km

• M1: 140,772 km (0.058 R)
• M2: 562,338 km (0.11 R)
• M3: 959,521 km (0.059 R)
• M4: 1,281,904 km (0.034 R)
• M5: 1,967,062 km (0.049 R)
• M6: 3,695,965 km (0.104 R)
• M7: 5,421,576 km (0.116 R)
• M8: 10,507,156 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895.7

Radius: 14.1

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 7.01 AU - 8.37 AU

Year: 7495 Days

Day: 12 Hours

Environment

Temp: -161 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 22,921,515 km

• M1: 175,329 km (0.106 R)
• M2: 763,398 km (0.115 R)
• M3: 1,204,263 km (0.1 R)
• M4: 2,235,591 km (0.109 R)
• M5: 2,870,484 km (0.089 R)
• M6: 4,909,204 km (0.085 R)
• M7: 6,551,639 km (0.074 R)
• M8: 8,622,971 km (0.041 R)
• M9: 9,619,442 km (0.087 R)
• M10: 11,204,133 km (0.09 R)
• M11: 12,785,232 km (0.11 R)
• M12: 13,959,277 km (0.063 R)
• M13: 17,700,420 km (0.069 R)
• M14: 18,492,541 km (0.107 R)
• M15: 22,063,741 km (0.107 R)
• M16: 23,578,569 km (0.078 R)
• M17: 24,361,564 km (0.114 R)
• M18: 25,613,848 km (0.063 R)
• M19: 28,149,682 km (0.047 R)
• M20: 30,951,799 km (0.09 R)
• M21: 37,338,731 km (0.085 R)
• M22: 39,730,502 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16

Radius: 14.6

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 8.58 AU - 9.4 AU

Year: 9474 Days

Day: 12.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 22,921,515 km

• M1: 201,359 km (0.083 R)
• M2: 960,718 km (0.105 R)
• M3: 2,338,514 km (0.062 R)
• M4: 3,844,516 km (0.115 R)
• M5: 8,386,157 km (0.097 R)
• M6: 9,495,426 km (0.096 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.9

Radius: 9.8

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 7.56 AU - 10.76 AU

Year: 9744 Days

Day: 6.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 22,921,515 km

• M1: 125,812 km (0.059 R)
• M2: 601,234 km (0.077 R)
• M3: 1,150,557 km (0.106 R)
• M4: 2,370,229 km (0.034 R)
• M5: 3,440,003 km (0.099 R)
• M6: 4,411,192 km (0.053 R)
• M7: 5,096,051 km (0.101 R)
• M8: 6,325,596 km (0.109 R)
• M9: 7,514,451 km (0.108 R)
• M10: 10,012,286 km (0.088 R)
• M11: 10,693,705 km (0.118 R)
• M12: 13,878,045 km (0.119 R)
• M13: 15,659,157 km (0.061 R)
• M14: 16,742,844 km (0.043 R)
• M15: 19,979,992 km (0.06 R)
• M16: 20,546,669 km (0.107 R)
• M17: 21,449,642 km (0.117 R)
• M18: 22,177,436 km (0.099 R)

Kuiper Belt

Range: 31.2 - 53.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 296 - 12,496 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit