🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.77

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.83 AU - 1.17 AU

Year: 373 Days

Day: 31.3 Hours

Environment

Temp: 7 °C

Axial Tilt: 42.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 21,975,921 km

• M1: 679,922 km (0.069 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.85

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.88 AU - 2.1 AU

Year: 1046 Days

Day: 43.1 Hours

Environment

Temp: -73 °C

Axial Tilt: 42.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.68

Radius: 1.85

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.99 AU - 3.13 AU

Year: 1527 Days

Day: 40.3 Hours

Environment

Temp: -104 °C

Axial Tilt: 0.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 21,975,921 km

• M1: 2,279,572 km (0.109 R)

Asteroid Belt

Center: 4.4 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.2

Radius: 10.3

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 5.85 AU - 6.63 AU

Year: 5811 Days

Day: 9.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 21,975,921 km

• M1: 128,953 km (0.117 R)
• M2: 204,650 km (0.06 R)
• M3: 479,312 km (0.081 R)
• M4: 583,731 km (0.101 R)
• M5: 675,734 km (0.088 R)
• M6: 841,039 km (0.109 R)
• M7: 1,045,240 km (0.115 R)
• M8: 1,225,805 km (0.087 R)
• M9: 1,306,438 km (0.105 R)
• M10: 1,588,580 km (0.11 R)
• M11: 1,843,794 km (0.092 R)
• M12: 2,177,397 km (0.114 R)
• M13: 2,461,483 km (0.062 R)
• M14: 2,704,580 km (0.084 R)
• M15: 3,441,798 km (0.117 R)
• M16: 3,596,482 km (0.071 R)
• M17: 3,733,813 km (0.116 R)
• M18: 4,013,711 km (0.117 R)
• M19: 4,383,517 km (0.046 R)
• M20: 4,615,094 km (0.089 R)
• M21: 4,743,150 km (0.1 R)
• M22: 4,937,328 km (0.056 R)
• M23: 5,468,101 km (0.114 R)
• M24: 5,832,073 km (0.05 R)
• M25: 6,086,988 km (0.096 R)
• M26: 6,203,973 km (0.05 R)
• M27: 6,440,488 km (0.075 R)
• M28: 6,583,653 km (0.058 R)
• M29: 7,068,948 km (0.056 R)
• M30: 7,241,584 km (0.042 R)
• M31: 7,315,934 km (0.106 R)
• M32: 7,515,647 km (0.115 R)
• M33: 7,767,720 km (0.069 R)
• M34: 8,073,947 km (0.053 R)
• M35: 8,777,505 km (0.096 R)
• M36: 9,257,565 km (0.116 R)
• M37: 9,446,507 km (0.119 R)
• M38: 10,104,139 km (0.087 R)
• M39: 10,522,714 km (0.078 R)
• M40: 10,719,884 km (0.107 R)
• M41: 11,376,768 km (0.119 R)
• M42: 11,608,346 km (0.104 R)
• M43: 11,812,098 km (0.038 R)
• M44: 12,193,872 km (0.104 R)
• M45: 12,460,605 km (0.088 R)
• M46: 13,211,586 km (0.066 R)
• M47: 13,363,578 km (0.115 R)
• M48: 13,485,500 km (0.1 R)
• M49: 13,730,541 km (0.11 R)
• M50: 13,946,261 km (0.085 R)
• M51: 14,443,375 km (0.074 R)
• M52: 14,568,589 km (0.096 R)
• M53: 15,391,227 km (0.062 R)
• M54: 16,034,349 km (0.114 R)
• M55: 16,326,663 km (0.091 R)
• M56: 16,391,738 km (0.116 R)
• M57: 17,313,410 km (0.069 R)
• M58: 17,646,714 km (0.083 R)
• M59: 17,780,605 km (0.109 R)
• M60: 17,948,453 km (0.081 R)
• M61: 18,083,091 km (0.094 R)
• M62: 18,421,332 km (0.096 R)
• M63: 18,523,059 km (0.047 R)
• M64: 18,795,626 km (0.063 R)
• M65: 19,344,650 km (0.054 R)
• M66: 19,933,767 km (0.109 R)
• M67: 20,318,084 km (0.082 R)
• M68: 21,343,128 km (0.106 R)
• M69: 21,628,860 km (0.111 R)
• M70: 22,276,320 km (0.051 R)
• M71: 22,384,928 km (0.085 R)
• M72: 22,602,593 km (0.04 R)
• M73: 23,149,672 km (0.112 R)
• M74: 24,108,295 km (0.113 R)
• M75: 24,704,592 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.6

Radius: 9.4

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 6.02 AU - 8.99 AU

Year: 7657 Days

Day: 5.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 179.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 21,975,921 km

• M1: 242,049 km (0.045 R)
• M2: 398,828 km (0.049 R)
• M3: 487,539 km (0.107 R)
• M4: 556,953 km (0.064 R)
• M5: 620,831 km (0.049 R)
• M6: 969,394 km (0.053 R)
• M7: 1,201,121 km (0.03 R)
• M8: 1,262,008 km (0.081 R)
• M9: 1,842,148 km (0.111 R)
• M10: 2,042,759 km (0.082 R)
• M11: 2,220,481 km (0.072 R)
• M12: 2,341,805 km (0.093 R)
• M13: 2,465,373 km (0.092 R)
• M14: 2,559,620 km (0.118 R)
• M15: 2,784,016 km (0.102 R)
• M16: 2,865,697 km (0.105 R)
• M17: 2,948,275 km (0.12 R)
• M18: 3,098,770 km (0.086 R)
• M19: 3,286,366 km (0.102 R)
• M20: 3,390,337 km (0.106 R)
• M21: 3,460,199 km (0.107 R)
• M22: 3,672,777 km (0.12 R)
• M23: 4,018,348 km (0.109 R)
• M24: 4,355,243 km (0.099 R)
• M25: 4,799,100 km (0.086 R)
• M26: 4,976,822 km (0.1 R)
• M27: 5,257,617 km (0.101 R)
• M28: 5,318,354 km (0.095 R)
• M29: 5,646,871 km (0.051 R)
• M30: 5,855,560 km (0.06 R)
• M31: 6,194,698 km (0.118 R)
• M32: 6,259,025 km (0.093 R)
• M33: 6,366,736 km (0.11 R)
• M34: 6,518,428 km (0.097 R)
• M35: 6,759,430 km (0.034 R)
• M36: 6,825,702 km (0.064 R)
• M37: 7,182,643 km (0.078 R)
• M38: 8,455,870 km (0.106 R)
• M39: 8,527,228 km (0.106 R)
• M40: 8,935,930 km (0.097 R)
• M41: 9,772,331 km (0.033 R)
• M42: 9,847,429 km (0.066 R)
• M43: 10,813,981 km (0.082 R)
• M44: 10,891,623 km (0.089 R)
• M45: 11,047,504 km (0.119 R)
• M46: 11,256,342 km (0.059 R)
• M47: 11,864,009 km (0.069 R)
• M48: 11,970,822 km (0.111 R)
• M49: 12,266,128 km (0.065 R)
• M50: 12,891,447 km (0.059 R)
• M51: 13,862,786 km (0.098 R)
• M52: 14,173,052 km (0.083 R)
• M53: 14,258,023 km (0.071 R)
• M54: 14,571,132 km (0.067 R)
• M55: 14,656,851 km (0.106 R)
• M56: 15,146,186 km (0.077 R)
• M57: 15,290,997 km (0.104 R)
• M58: 15,407,384 km (0.05 R)
• M59: 16,348,205 km (0.118 R)
• M60: 16,885,560 km (0.114 R)
• M61: 17,368,014 km (0.081 R)
• M62: 17,702,365 km (0.046 R)
• M63: 17,977,625 km (0.08 R)
• M64: 18,625,085 km (0.113 R)
• M65: 19,029,896 km (0.113 R)
• M66: 20,038,485 km (0.081 R)
• M67: 20,645,404 km (0.087 R)
• M68: 20,709,731 km (0.098 R)
• M69: 20,902,862 km (0.1 R)
• M70: 21,064,278 km (0.118 R)
• M71: 21,388,456 km (0.082 R)
• M72: 21,583,682 km (0.101 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 424 - 18,743 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit