🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.54 AU - 0.56 AU

Year: 147 Days

Day: 14 Hours

Environment

Temp: 177 °C

Axial Tilt: 8.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.6

Radius: 1.47

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.65 AU - 0.67 AU

Year: 193 Days

Day: 37.6 Hours

Environment

Temp: 143 °C

Axial Tilt: 33.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.64 AU - 0.78 AU

Year: 215 Days

Day: 30.9 Hours

Environment

Temp: 173 °C

Axial Tilt: 32.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.74

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.81 AU - 1.21 AU

Year: 365 Days

Day: 13.3 Hours

Environment

Temp: 32 °C

Axial Tilt: 0.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 46,427,416 km

• M1: 157,377 km (0.095 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.62

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.04 AU - 1.22 AU

Year: 432 Days

Day: 31.5 Hours

Environment

Temp: 32 °C

Axial Tilt: 15.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.86

Radius: 1.72

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.56 AU - 1.6 AU

Year: 715 Days

Day: 14.6 Hours

Environment

Temp: -35 °C

Axial Tilt: 0.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.26 AU - 3.38 AU

Year: 1704 Days

Day: 40.8 Hours

Environment

Temp: -87 °C

Axial Tilt: 6.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 46,427,416 km

• M1: 1,613,114 km (0.102 R)

Asteroid Belt

Center: 4.17 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.2

Radius: 8.9

Gravity: 10.14 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 4.77 AU - 6.25 AU

Year: 4655 Days

Day: 14.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 46,427,416 km

• M1: 177,722 km (0.096 R)
• M2: 283,787 km (0.113 R)
• M3: 371,003 km (0.094 R)
• M4: 500,854 km (0.106 R)
• M5: 658,979 km (0.103 R)
• M6: 782,247 km (0.103 R)
• M7: 886,816 km (0.058 R)
• M8: 1,010,384 km (0.101 R)
• M9: 1,096,104 km (0.087 R)
• M10: 1,259,614 km (0.039 R)
• M11: 1,431,502 km (0.053 R)
• M12: 1,512,135 km (0.089 R)
• M13: 1,832,873 km (0.114 R)
• M14: 1,920,837 km (0.111 R)
• M15: 2,268,353 km (0.073 R)
• M16: 2,363,048 km (0.1 R)
• M17: 3,189,427 km (0.068 R)
• M18: 3,295,940 km (0.078 R)
• M19: 3,468,875 km (0.115 R)
• M20: 3,778,842 km (0.103 R)
• M21: 3,891,639 km (0.049 R)
• M22: 3,959,856 km (0.105 R)
• M23: 4,028,521 km (0.048 R)
• M24: 4,616,291 km (0.062 R)
• M25: 5,006,442 km (0.118 R)
• M26: 5,306,236 km (0.068 R)
• M27: 5,432,796 km (0.108 R)
• M28: 5,560,403 km (0.073 R)
• M29: 5,792,729 km (0.118 R)
• M30: 5,923,178 km (0.049 R)
• M31: 6,240,176 km (0.106 R)
• M32: 6,320,211 km (0.105 R)
• M33: 6,973,505 km (0.106 R)
• M34: 7,056,681 km (0.09 R)
• M35: 7,421,102 km (0.088 R)
• M36: 7,820,229 km (0.06 R)
• M37: 8,109,701 km (0.076 R)
• M38: 8,432,234 km (0.103 R)
• M39: 8,639,576 km (0.07 R)
• M40: 8,938,772 km (0.087 R)
• M41: 9,089,716 km (0.117 R)
• M42: 10,232,494 km (0.064 R)
• M43: 10,772,692 km (0.084 R)
• M44: 11,159,702 km (0.11 R)
• M45: 11,485,526 km (0.116 R)
• M46: 11,715,608 km (0.119 R)
• M47: 12,549,466 km (0.079 R)
• M48: 12,922,414 km (0.099 R)
• M49: 12,990,630 km (0.098 R)
• M50: 13,923,223 km (0.065 R)
• M51: 13,993,086 km (0.052 R)
• M52: 14,203,719 km (0.058 R)
• M53: 14,734,493 km (0.098 R)
• M54: 15,020,374 km (0.05 R)
• M55: 15,488,616 km (0.114 R)
• M56: 15,633,725 km (0.071 R)
• M57: 15,779,284 km (0.066 R)
• M58: 17,447,300 km (0.112 R)
• M59: 19,092,877 km (0.05 R)
• M60: 19,326,399 km (0.097 R)
• M61: 19,678,553 km (0.041 R)
• M62: 19,875,124 km (0.082 R)
• M63: 19,953,813 km (0.041 R)
• M64: 20,151,282 km (0.111 R)
• M65: 20,827,464 km (0.093 R)
• M66: 21,632,450 km (0.081 R)
• M67: 21,713,533 km (0.12 R)
• M68: 22,079,599 km (0.06 R)
• M69: 22,406,619 km (0.101 R)
• M70: 22,817,714 km (0.103 R)
• M71: 23,107,037 km (0.109 R)
• M72: 24,276,144 km (0.1 R)
• M73: 24,360,368 km (0.081 R)
• M74: 24,529,264 km (0.085 R)
• M75: 24,783,131 km (0.074 R)
• M76: 25,165,653 km (0.09 R)
• M77: 25,635,839 km (0.093 R)
• M78: 27,063,751 km (0.109 R)
• M79: 27,897,460 km (0.117 R)
• M80: 28,384,102 km (0.102 R)
• M81: 29,680,218 km (0.098 R)
• M82: 29,950,840 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 62.1

Radius: 4.5

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 15.17 AU - 24.39 AU

Year: 31660 Days

Day: 22.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (58)

Outer Limit: 46,427,416 km

• M1: 60,138 km (0.088 R)
• M2: 95,593 km (0.028 R)
• M3: 187,147 km (0.099 R)
• M4: 273,166 km (0.11 R)
• M5: 359,633 km (0.112 R)
• M6: 558,898 km (0.071 R)
• M7: 951,891 km (0.096 R)
• M8: 1,371,064 km (0.107 R)
• M9: 1,435,242 km (0.082 R)
• M10: 1,840,802 km (0.092 R)
• M11: 2,616,317 km (0.087 R)
• M12: 2,776,836 km (0.106 R)
• M13: 2,995,997 km (0.106 R)
• M14: 3,306,263 km (0.102 R)
• M15: 3,926,795 km (0.101 R)
• M16: 4,079,684 km (0.099 R)
• M17: 5,991,993 km (0.111 R)
• M18: 6,027,149 km (0.07 R)
• M19: 7,523,726 km (0.081 R)
• M20: 8,568,368 km (0.069 R)
• M21: 10,114,013 km (0.111 R)
• M22: 11,090,289 km (0.113 R)
• M23: 11,349,990 km (0.091 R)
• M24: 11,393,374 km (0.041 R)
• M25: 11,743,134 km (0.062 R)
• M26: 12,949,341 km (0.04 R)
• M27: 13,636,295 km (0.095 R)
• M28: 13,821,497 km (0.11 R)
• M29: 14,054,122 km (0.096 R)
• M30: 14,241,119 km (0.117 R)
• M31: 14,570,533 km (0.088 R)
• M32: 15,188,672 km (0.075 R)
• M33: 16,401,611 km (0.055 R)
• M34: 17,094,249 km (0.084 R)
• M35: 17,343,928 km (0.112 R)
• M36: 17,494,424 km (0.119 R)
• M37: 19,125,489 km (0.081 R)
• M38: 20,910,790 km (0.091 R)
• M39: 23,078,464 km (0.102 R)
• M40: 23,409,673 km (0.055 R)
• M41: 24,806,768 km (0.094 R)
• M42: 26,460,871 km (0.116 R)
• M43: 26,749,745 km (0.068 R)
• M44: 26,865,534 km (0.103 R)
• M45: 27,330,484 km (0.081 R)
• M46: 29,335,694 km (0.104 R)
• M47: 29,455,073 km (0.073 R)
• M48: 29,574,751 km (0.111 R)
• M49: 31,144,033 km (0.075 R)
• M50: 31,632,320 km (0.097 R)
• M51: 33,236,608 km (0.095 R)
• M52: 36,139,255 km (0.1 R)
• M53: 37,620,723 km (0.066 R)
• M54: 38,597,447 km (0.118 R)
• M55: 43,673,154 km (0.086 R)
• M56: 44,562,064 km (0.118 R)
• M57: 45,181,100 km (0.109 R)
• M58: 45,802,829 km (0.109 R)

Kuiper Belt

Range: 30.5 - 54.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 314 - 20,246 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit