🌌 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: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.48 AU - 0.6 AU

Year: 140 Days

Day: 38 Hours

Environment

Temp: 222 °C

Axial Tilt: 22.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 37,131,745 km

• M1: 231,727 km (0.08 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.28

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.86 AU - 1.42 AU

Year: 430 Days

Day: 33.2 Hours

Environment

Temp: 43 °C

Axial Tilt: 20 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 37,131,745 km

• M1: 50,414 km (0.082 R)
• M2: 312,211 km (0.059 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.51

Radius: 1.45

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.09 AU - 1.53 AU

Year: 529 Days

Day: 32.1 Hours

Environment

Temp: 9 °C

Axial Tilt: 35.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 37,131,745 km

• M1: 797,506 km (0.114 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.81

Radius: 0.92

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.33 AU - 1.91 AU

Year: 728 Days

Day: 32.4 Hours

Environment

Temp: -34 °C

Axial Tilt: 34.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.46

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.61 AU - 1.77 AU

Year: 776 Days

Day: 30 Hours

Environment

Temp: -32 °C

Axial Tilt: 21.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.75

Radius: 0.89

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.87 AU - 3.59 AU

Year: 2050 Days

Day: 37.1 Hours

Environment

Temp: -107 °C

Axial Tilt: 47.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.7

Radius: 12.3

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 7.54 AU - 7.84 AU

Year: 7530 Days

Day: 13.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (58)

Outer Limit: 37,131,745 km

• M1: 293,960 km (0.048 R)
• M2: 551,867 km (0.063 R)
• M3: 796,010 km (0.089 R)
• M4: 912,098 km (0.115 R)
• M5: 1,020,407 km (0.105 R)
• M6: 1,326,784 km (0.072 R)
• M7: 1,531,284 km (0.049 R)
• M8: 1,729,651 km (0.097 R)
• M9: 1,831,976 km (0.096 R)
• M10: 1,919,041 km (0.089 R)
• M11: 2,244,118 km (0.106 R)
• M12: 2,704,879 km (0.087 R)
• M13: 2,804,810 km (0.028 R)
• M14: 3,581,822 km (0.059 R)
• M15: 3,847,807 km (0.12 R)
• M16: 4,375,588 km (0.065 R)
• M17: 4,612,402 km (0.105 R)
• M18: 4,853,404 km (0.051 R)
• M19: 6,015,031 km (0.111 R)
• M20: 6,120,049 km (0.108 R)
• M21: 6,981,882 km (0.112 R)
• M22: 7,315,037 km (0.025 R)
• M23: 7,795,844 km (0.061 R)
• M24: 9,635,300 km (0.114 R)
• M25: 10,381,943 km (0.116 R)
• M26: 10,635,062 km (0.118 R)
• M27: 10,954,304 km (0.07 R)
• M28: 11,179,748 km (0.1 R)
• M29: 11,700,648 km (0.066 R)
• M30: 12,030,212 km (0.087 R)
• M31: 12,563,977 km (0.104 R)
• M32: 12,901,470 km (0.119 R)
• M33: 13,173,738 km (0.093 R)
• M34: 13,276,213 km (0.104 R)
• M35: 14,775,632 km (0.029 R)
• M36: 14,882,146 km (0.101 R)
• M37: 15,131,974 km (0.104 R)
• M38: 15,239,385 km (0.08 R)
• M39: 15,998,744 km (0.113 R)
• M40: 16,475,064 km (0.098 R)
• M41: 17,254,170 km (0.116 R)
• M42: 18,848,584 km (0.115 R)
• M43: 19,080,161 km (0.036 R)
• M44: 19,235,145 km (0.064 R)
• M45: 19,390,427 km (0.119 R)
• M46: 19,858,968 km (0.112 R)
• M47: 20,529,166 km (0.103 R)
• M48: 20,648,246 km (0.074 R)
• M49: 21,810,771 km (0.105 R)
• M50: 22,298,161 km (0.068 R)
• M51: 22,830,131 km (0.085 R)
• M52: 22,953,400 km (0.046 R)
• M53: 23,283,413 km (0.119 R)
• M54: 25,552,064 km (0.095 R)
• M55: 26,539,709 km (0.098 R)
• M56: 26,626,177 km (0.091 R)
• M57: 27,495,939 km (0.063 R)
• M58: 28,419,257 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 111.3

Radius: 8

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 12.9 AU - 13.48 AU

Year: 16915 Days

Day: 21.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 37,131,745 km

• M1: 331,658 km (0.104 R)
• M2: 476,768 km (0.085 R)
• M3: 551,268 km (0.106 R)
• M4: 603,478 km (0.109 R)
• M5: 741,706 km (0.117 R)
• M6: 875,447 km (0.085 R)
• M7: 1,033,422 km (0.108 R)
• M8: 1,875,509 km (0.073 R)
• M9: 2,081,056 km (0.101 R)
• M10: 2,381,299 km (0.11 R)
• M11: 2,491,852 km (0.091 R)
• M12: 3,486,528 km (0.102 R)
• M13: 4,051,858 km (0.108 R)
• M14: 4,535,508 km (0.102 R)
• M15: 4,617,937 km (0.117 R)
• M16: 4,700,814 km (0.112 R)
• M17: 4,840,090 km (0.072 R)
• M18: 5,037,409 km (0.107 R)
• M19: 5,323,889 km (0.057 R)
• M20: 5,439,977 km (0.118 R)
• M21: 5,556,963 km (0.095 R)
• M22: 5,882,787 km (0.066 R)
• M23: 6,184,526 km (0.097 R)
• M24: 6,740,282 km (0.105 R)
• M25: 6,992,504 km (0.065 R)
• M26: 7,087,798 km (0.063 R)
• M27: 7,279,881 km (0.061 R)
• M28: 7,833,244 km (0.116 R)
• M29: 8,165,201 km (0.102 R)
• M30: 8,332,901 km (0.074 R)
• M31: 8,535,606 km (0.074 R)
• M32: 8,603,523 km (0.109 R)
• M33: 8,705,848 km (0.04 R)
• M34: 8,774,214 km (0.113 R)
• M35: 8,945,953 km (0.027 R)
• M36: 9,223,158 km (0.119 R)
• M37: 9,362,732 km (0.118 R)
• M38: 10,107,431 km (0.045 R)
• M39: 10,614,418 km (0.074 R)
• M40: 10,687,571 km (0.119 R)
• M41: 10,760,724 km (0.068 R)
• M42: 11,092,533 km (0.084 R)
• M43: 11,427,781 km (0.078 R)
• M44: 12,685,151 km (0.118 R)
• M45: 12,996,465 km (0.078 R)
• M46: 13,985,755 km (0.093 R)
• M47: 16,119,919 km (0.083 R)
• M48: 16,246,179 km (0.116 R)
• M49: 16,414,926 km (0.09 R)
• M50: 16,754,214 km (0.108 R)
• M51: 17,310,568 km (0.083 R)
• M52: 17,569,372 km (0.066 R)
• M53: 18,441,229 km (0.077 R)
• M54: 18,749,849 km (0.083 R)
• M55: 19,327,297 km (0.105 R)
• M56: 19,685,584 km (0.064 R)
• M57: 19,820,521 km (0.113 R)
• M58: 20,091,293 km (0.088 R)
• M59: 20,363,262 km (0.081 R)
• M60: 20,956,717 km (0.077 R)
• M61: 21,140,423 km (0.093 R)
• M62: 21,787,883 km (0.073 R)
• M63: 22,676,793 km (0.085 R)
• M64: 23,054,677 km (0.111 R)
• M65: 23,244,368 km (0.105 R)
• M66: 23,720,986 km (0.072 R)
• M67: 24,297,088 km (0.069 R)
• M68: 24,732,268 km (0.095 R)
• M69: 26,003,700 km (0.04 R)
• M70: 26,697,086 km (0.064 R)
• M71: 27,547,251 km (0.025 R)
• M72: 27,798,875 km (0.037 R)
• M73: 28,304,665 km (0.104 R)
• M74: 28,915,623 km (0.053 R)
• M75: 30,983,365 km (0.095 R)
• M76: 31,245,161 km (0.104 R)
• M77: 32,087,846 km (0.041 R)
• M78: 32,777,941 km (0.073 R)
• M79: 32,938,010 km (0.103 R)
• M80: 33,365,860 km (0.102 R)
• M81: 34,497,718 km (0.09 R)
• M82: 35,204,717 km (0.09 R)
• M83: 35,587,389 km (0.105 R)
• M84: 35,806,550 km (0.1 R)
• M85: 35,861,452 km (0.112 R)
• M86: 36,246,517 km (0.04 R)

Kuiper Belt

Range: 31.1 - 55.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 343 - 11,615 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit