🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.97

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.73 AU - 0.77 AU

Year: 240 Days

Day: 21.7 Hours

Environment

Temp: 131 °C

Axial Tilt: 14.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.6

Radius: 1.47

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.84 AU - 0.86 AU

Year: 289 Days

Day: 19.3 Hours

Environment

Temp: 168 °C

Axial Tilt: 3.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 41,060,075 km

• M1: 102,923 km (0.104 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.21

Radius: 1.37

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.84 AU - 0.92 AU

Year: 305 Days

Day: 16.9 Hours

Environment

Temp: 151 °C

Axial Tilt: 47.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 41,060,075 km

• M1: 222,302 km (0.115 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.52

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.95 AU - 1.11 AU

Year: 386 Days

Day: 21.3 Hours

Environment

Temp: 28 °C

Axial Tilt: 33.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.08

Radius: 1.03

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.11 AU - 1.27 AU

Year: 479 Days

Day: 43 Hours

Environment

Temp: -6 °C

Axial Tilt: 27.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 6 - Terrestrial

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 2.11 AU - 2.19 AU

Year: 1163 Days

Day: 15.6 Hours

Environment

Temp: -87 °C

Axial Tilt: 14.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.71

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 2.18 AU - 2.48 AU

Year: 1312 Days

Day: 16.8 Hours

Environment

Temp: -89 °C

Axial Tilt: 21.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.11

Radius: 0.41

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 3.09 AU - 4.99 AU

Year: 2996 Days

Day: 21.8 Hours

Environment

Temp: -123 °C

Axial Tilt: 42.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 41,060,075 km

• M1: 697,276 km (0.032 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.8

Radius: 8

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 7.64 AU - 11.26 AU

Year: 10718 Days

Day: 7.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 41,060,075 km

• M1: 182,360 km (0.026 R)
• M2: 367,712 km (0.112 R)
• M3: 543,788 km (0.099 R)
• M4: 671,694 km (0.116 R)
• M5: 858,093 km (0.047 R)
• M6: 1,078,900 km (0.101 R)
• M7: 1,279,959 km (0.109 R)
• M8: 1,655,450 km (0.085 R)
• M9: 1,888,075 km (0.068 R)
• M10: 2,086,292 km (0.098 R)
• M11: 2,153,910 km (0.069 R)
• M12: 2,245,165 km (0.096 R)
• M13: 2,455,350 km (0.103 R)
• M14: 2,844,753 km (0.096 R)
• M15: 3,545,470 km (0.114 R)
• M16: 4,097,785 km (0.109 R)
• M17: 4,412,988 km (0.062 R)
• M18: 4,471,032 km (0.099 R)
• M19: 4,735,969 km (0.069 R)
• M20: 4,885,418 km (0.109 R)
• M21: 4,945,556 km (0.112 R)
• M22: 5,250,287 km (0.108 R)
• M23: 5,374,004 km (0.115 R)
• M24: 5,814,271 km (0.06 R)
• M25: 6,562,559 km (0.102 R)
• M26: 7,100,962 km (0.119 R)
• M27: 7,410,181 km (0.079 R)
• M28: 8,580,934 km (0.099 R)
• M29: 9,392,951 km (0.03 R)
• M30: 11,248,563 km (0.099 R)
• M31: 12,795,405 km (0.093 R)
• M32: 12,878,731 km (0.08 R)
• M33: 13,213,531 km (0.111 R)
• M34: 13,339,792 km (0.119 R)
• M35: 14,192,051 km (0.091 R)
• M36: 14,451,154 km (0.074 R)
• M37: 14,581,304 km (0.111 R)
• M38: 15,414,565 km (0.1 R)
• M39: 15,503,127 km (0.083 R)
• M40: 15,591,838 km (0.11 R)
• M41: 15,725,429 km (0.028 R)
• M42: 15,903,899 km (0.116 R)
• M43: 16,624,961 km (0.092 R)
• M44: 16,943,754 km (0.118 R)
• M45: 17,402,720 km (0.112 R)
• M46: 20,192,870 km (0.116 R)
• M47: 20,338,429 km (0.075 R)
• M48: 21,268,180 km (0.119 R)
• M49: 21,416,282 km (0.036 R)
• M50: 21,862,682 km (0.082 R)
• M51: 22,261,958 km (0.044 R)
• M52: 22,512,834 km (0.111 R)
• M53: 22,563,099 km (0.081 R)
• M54: 22,714,043 km (0.031 R)
• M55: 22,865,436 km (0.117 R)
• M56: 23,934,463 km (0.087 R)
• M57: 24,140,010 km (0.081 R)
• M58: 24,346,006 km (0.118 R)
• M59: 24,811,854 km (0.052 R)
• M60: 25,228,335 km (0.114 R)
• M61: 26,068,177 km (0.107 R)
• M62: 26,332,516 km (0.103 R)
• M63: 26,438,581 km (0.108 R)
• M64: 26,917,294 km (0.087 R)
• M65: 27,077,514 km (0.058 R)
• M66: 27,398,850 km (0.117 R)
• M67: 27,452,556 km (0.073 R)
• M68: 28,751,514 km (0.093 R)
• M69: 28,860,720 km (0.108 R)
• M70: 29,188,938 km (0.059 R)
• M71: 29,794,062 km (0.045 R)
• M72: 29,849,263 km (0.096 R)
• M73: 30,292,222 km (0.084 R)
• M74: 30,570,026 km (0.12 R)
• M75: 31,184,574 km (0.037 R)
• M76: 31,521,319 km (0.111 R)
• M77: 32,368,790 km (0.097 R)
• M78: 32,652,877 km (0.117 R)
• M79: 33,223,742 km (0.111 R)
• M80: 34,028,280 km (0.102 R)
• M81: 35,072,323 km (0.101 R)
• M82: 35,774,087 km (0.108 R)
• M83: 37,310,457 km (0.118 R)
• M84: 37,489,077 km (0.029 R)
• M85: 37,608,306 km (0.105 R)
• M86: 38,266,537 km (0.102 R)
• M87: 38,868,220 km (0.089 R)
• M88: 39,655,104 km (0.085 R)
• M89: 40,753,302 km (0.092 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 529 - 13,879 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit