🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.92

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.41 AU - 0.65 AU

Year: 145 Days

Day: 17 Hours

Environment

Temp: 200 °C

Axial Tilt: 37.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.72

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.49 AU - 0.73 AU

Year: 179 Days

Day: 32.9 Hours

Environment

Temp: 215 °C

Axial Tilt: 68.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.91

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.67 AU - 0.87 AU

Year: 255 Days

Day: 14.2 Hours

Environment

Temp: 121 °C

Axial Tilt: 13 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 55,698,243 km

• M1: 448,644 km (0.069 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.39

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.39 AU - 2.03 AU

Year: 842 Days

Day: 41.7 Hours

Environment

Temp: -64 °C

Axial Tilt: 35.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,698,243 km

• M1: 352,602 km (0.07 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.23

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 3.58 AU - 3.68 AU

Year: 2605 Days

Day: 39.5 Hours

Environment

Temp: -132 °C

Axial Tilt: 85.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.5

Radius: 10.1

Gravity: 8.93 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 5.82 AU - 8.74 AU

Year: 7400 Days

Day: 12.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 55,698,243 km

• M1: 125,662 km (0.1 R)
• M2: 541,095 km (0.069 R)
• M3: 881,281 km (0.098 R)
• M4: 1,251,835 km (0.049 R)
• M5: 2,250,700 km (0.07 R)
• M6: 3,242,983 km (0.083 R)
• M7: 5,371,611 km (0.068 R)
• M8: 6,489,855 km (0.102 R)
• M9: 7,514,899 km (0.078 R)
• M10: 10,978,090 km (0.044 R)
• M11: 13,113,749 km (0.112 R)
• M12: 15,577,626 km (0.089 R)
• M13: 16,171,979 km (0.099 R)
• M14: 16,576,491 km (0.052 R)
• M15: 17,405,712 km (0.09 R)
• M16: 17,759,362 km (0.103 R)
• M17: 18,408,018 km (0.116 R)
• M18: 19,221,980 km (0.065 R)
• M19: 19,752,454 km (0.105 R)
• M20: 20,842,574 km (0.116 R)
• M21: 21,402,519 km (0.034 R)
• M22: 25,154,284 km (0.092 R)
• M23: 26,714,290 km (0.101 R)
• M24: 27,757,586 km (0.117 R)
• M25: 29,623,071 km (0.096 R)
• M26: 34,261,503 km (0.046 R)
• M27: 35,379,448 km (0.114 R)
• M28: 37,924,107 km (0.072 R)
• M29: 42,347,567 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.6

Radius: 10.9

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 7.03 AU - 10.51 AU

Year: 9784 Days

Day: 5.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 55,698,243 km

• M1: 136,134 km (0.108 R)
• M2: 497,413 km (0.036 R)
• M3: 942,018 km (0.102 R)
• M4: 1,725,312 km (0.098 R)
• M5: 2,322,507 km (0.107 R)
• M6: 3,211,717 km (0.12 R)
• M7: 5,585,087 km (0.113 R)
• M8: 6,216,091 km (0.063 R)
• M9: 6,700,788 km (0.108 R)
• M10: 7,210,617 km (0.052 R)
• M11: 8,002,140 km (0.059 R)
• M12: 9,857,303 km (0.078 R)
• M13: 13,396,340 km (0.103 R)
• M14: 13,766,445 km (0.065 R)
• M15: 14,270,440 km (0.084 R)
• M16: 16,692,579 km (0.104 R)
• M17: 18,225,658 km (0.103 R)
• M18: 19,455,053 km (0.061 R)
• M19: 23,209,062 km (0.088 R)
• M20: 24,104,406 km (0.073 R)
• M21: 26,636,948 km (0.094 R)
• M22: 29,653,440 km (0.097 R)
• M23: 31,460,133 km (0.092 R)
• M24: 34,825,636 km (0.12 R)
• M25: 36,475,402 km (0.076 R)
• M26: 38,053,510 km (0.029 R)
• M27: 39,930,215 km (0.114 R)
• M28: 44,411,419 km (0.068 R)
• M29: 44,822,215 km (0.052 R)
• M30: 47,340,545 km (0.1 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.6

Radius: 10.7

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 8.49 AU - 12.57 AU

Year: 12873 Days

Day: 11.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 170.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 55,698,243 km

• M1: 134,040 km (0.088 R)
• M2: 468,092 km (0.109 R)
• M3: 1,603,540 km (0.063 R)
• M4: 3,279,335 km (0.104 R)
• M5: 4,368,557 km (0.087 R)
• M6: 4,802,092 km (0.117 R)
• M7: 5,612,463 km (0.12 R)
• M8: 5,975,986 km (0.057 R)
• M9: 6,355,217 km (0.094 R)
• M10: 6,790,995 km (0.116 R)
• M11: 8,785,733 km (0.072 R)
• M12: 10,048,938 km (0.035 R)
• M13: 13,121,080 km (0.062 R)
• M14: 13,895,099 km (0.087 R)
• M15: 15,962,990 km (0.093 R)
• M16: 16,695,870 km (0.041 R)
• M17: 17,222,006 km (0.084 R)
• M18: 18,706,017 km (0.109 R)
• M19: 19,355,721 km (0.116 R)
• M20: 20,786,325 km (0.06 R)
• M21: 24,332,842 km (0.078 R)
• M22: 28,475,955 km (0.025 R)
• M23: 29,991,980 km (0.047 R)
• M24: 31,789,847 km (0.077 R)
• M25: 34,377,591 km (0.119 R)
• M26: 39,835,370 km (0.057 R)
• M27: 44,683,238 km (0.081 R)
• M28: 45,406,544 km (0.115 R)
• M29: 46,284,684 km (0.117 R)
• M30: 48,226,015 km (0.111 R)
• M31: 48,987,020 km (0.094 R)
• M32: 49,910,637 km (0.114 R)
• M33: 53,397,015 km (0.102 R)
• M34: 54,047,916 km (0.104 R)
• M35: 55,531,777 km (0.048 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 463 - 19,902 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit