🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.83

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.49 AU - 0.75 AU

Year: 183 Days

Day: 27.2 Hours

Environment

Temp: 215 °C

Axial Tilt: 35.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.08

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.74 AU - 1.16 AU

Year: 347 Days

Day: 21.6 Hours

Environment

Temp: 40 °C

Axial Tilt: 31 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.44

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 2.35 AU - 3.63 AU

Year: 1937 Days

Day: 39.7 Hours

Environment

Temp: -110 °C

Axial Tilt: 2.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.62

Radius: 0.83

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 3.75 AU - 4.21 AU

Year: 2975 Days

Day: 39.2 Hours

Environment

Temp: -134 °C

Axial Tilt: 23.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 108,702,782 km

• M1: 236,065 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.1

Radius: 12.7

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 8.81 AU - 10.07 AU

Year: 10869 Days

Day: 10.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 108,702,782 km

• M1: 158,125 km (0.111 R)
• M2: 675,434 km (0.103 R)
• M3: 1,126,921 km (0.114 R)
• M4: 1,928,915 km (0.049 R)
• M5: 3,199,450 km (0.105 R)
• M6: 3,879,522 km (0.111 R)
• M7: 5,598,551 km (0.034 R)
• M8: 9,400,581 km (0.085 R)
• M9: 12,151,985 km (0.063 R)
• M10: 13,054,209 km (0.081 R)
• M11: 15,195,853 km (0.11 R)
• M12: 16,243,038 km (0.071 R)
• M13: 17,041,142 km (0.094 R)
• M14: 17,865,277 km (0.094 R)
• M15: 19,755,296 km (0.108 R)
• M16: 20,664,702 km (0.102 R)
• M17: 23,652,770 km (0.094 R)
• M18: 24,395,523 km (0.057 R)
• M19: 29,609,009 km (0.1 R)
• M20: 32,931,877 km (0.074 R)
• M21: 35,641,992 km (0.044 R)
• M22: 36,250,257 km (0.069 R)
• M23: 38,116,789 km (0.107 R)
• M24: 38,881,085 km (0.085 R)
• M25: 43,130,712 km (0.092 R)
• M26: 43,682,877 km (0.111 R)
• M27: 44,099,956 km (0.118 R)
• M28: 46,804,087 km (0.054 R)
• M29: 49,616,976 km (0.087 R)
• M30: 51,915,847 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.7

Radius: 9

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 10.57 AU - 11.95 AU

Year: 14159 Days

Day: 14.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 108,702,782 km

• M1: 183,257 km (0.047 R)
• M2: 519,254 km (0.072 R)
• M3: 917,633 km (0.106 R)
• M4: 1,285,943 km (0.095 R)
• M5: 2,198,490 km (0.042 R)
• M6: 3,892,088 km (0.086 R)
• M7: 6,213,697 km (0.117 R)
• M8: 8,664,858 km (0.072 R)
• M9: 17,421,121 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.8

Radius: 9.3

Gravity: 8.28 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 9.57 AU - 13.69 AU

Year: 14863 Days

Day: 7.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 108,702,782 km

• M1: 150,495 km (0.079 R)
• M2: 636,838 km (0.077 R)
• M3: 1,068,578 km (0.083 R)
• M4: 1,388,119 km (0.086 R)
• M5: 2,689,620 km (0.086 R)
• M6: 3,953,722 km (0.098 R)
• M7: 4,441,860 km (0.114 R)
• M8: 6,638,854 km (0.085 R)
• M9: 7,374,128 km (0.076 R)
• M10: 8,454,224 km (0.091 R)
• M11: 8,853,651 km (0.062 R)
• M12: 10,183,576 km (0.104 R)
• M13: 10,925,432 km (0.071 R)
• M14: 14,680,937 km (0.094 R)
• M15: 16,382,762 km (0.063 R)
• M16: 17,400,776 km (0.093 R)
• M17: 18,212,194 km (0.043 R)
• M18: 19,218,838 km (0.081 R)
• M19: 19,562,614 km (0.111 R)
• M20: 22,461,522 km (0.059 R)
• M21: 22,939,038 km (0.096 R)
• M22: 25,738,912 km (0.084 R)
• M23: 29,549,319 km (0.039 R)
• M24: 31,291,686 km (0.106 R)
• M25: 31,887,385 km (0.084 R)
• M26: 39,085,436 km (0.089 R)
• M27: 41,182,648 km (0.054 R)
• M28: 44,993,654 km (0.096 R)
• M29: 46,211,979 km (0.062 R)
• M30: 46,829,369 km (0.116 R)
• M31: 59,265,740 km (0.08 R)
• M32: 59,811,772 km (0.064 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 801.3

Radius: 4.4

Gravity: 41.39 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 18.99 AU - 19.45 AU

Year: 31576 Days

Day: 21.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 108,702,782 km

• M1: 58,343 km (0.067 R)
• M2: 352,901 km (0.087 R)
• M3: 698,921 km (0.08 R)
• M4: 1,243,458 km (0.111 R)
• M5: 2,031,240 km (0.119 R)
• M6: 2,414,360 km (0.101 R)
• M7: 2,704,580 km (0.115 R)
• M8: 3,888,647 km (0.053 R)
• M9: 5,381,484 km (0.06 R)
• M10: 7,597,777 km (0.079 R)
• M11: 8,692,983 km (0.072 R)
• M12: 9,246,794 km (0.057 R)
• M13: 14,047,240 km (0.113 R)
• M14: 15,243,574 km (0.053 R)
• M15: 16,973,524 km (0.069 R)
• M16: 19,443,385 km (0.118 R)
• M17: 19,650,728 km (0.074 R)
• M18: 21,473,278 km (0.119 R)
• M19: 22,142,579 km (0.078 R)
• M20: 25,327,219 km (0.117 R)
• M21: 26,452,943 km (0.049 R)
• M22: 28,804,023 km (0.06 R)
• M23: 32,150,228 km (0.119 R)
• M24: 33,173,029 km (0.081 R)
• M25: 38,125,317 km (0.091 R)
• M26: 39,105,631 km (0.071 R)
• M27: 40,607,444 km (0.102 R)
• M28: 42,320,639 km (0.034 R)
• M29: 44,799,326 km (0.089 R)
• M30: 46,813,512 km (0.086 R)
• M31: 55,682,571 km (0.092 R)
• M32: 56,521,068 km (0.096 R)
• M33: 63,991,985 km (0.066 R)
• M34: 70,373,382 km (0.057 R)
• M35: 72,840,400 km (0.106 R)
• M36: 84,657,734 km (0.111 R)
• M37: 92,035,153 km (0.064 R)
• M38: 102,313,425 km (0.056 R)
• M39: 104,838,188 km (0.095 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 514 - 12,809 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit