🌌 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: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.5 AU - 0.56 AU

Year: 142 Days

Day: 36.4 Hours

Environment

Temp: 215 °C

Axial Tilt: 29.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.34

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.63 AU - 0.79 AU

Year: 220 Days

Day: 47.2 Hours

Environment

Temp: 134 °C

Axial Tilt: 10 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.73

Radius: 0.88

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.73 AU - 0.81 AU

Year: 248 Days

Day: 14.3 Hours

Environment

Temp: 123 °C

Axial Tilt: 15 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 55,620,567 km

• M1: 25,581 km (0.095 R)
• M2: 56,698 km (0.107 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.93

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.8 AU - 0.84 AU

Year: 273 Days

Day: 21.2 Hours

Environment

Temp: 95 °C

Axial Tilt: 43.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.84

Radius: 1.28

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.95 AU - 1.47 AU

Year: 489 Days

Day: 27.6 Hours

Environment

Temp: 12 °C

Axial Tilt: 25.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 55,620,567 km

• M1: 32,164 km (0.056 R)
• M2: 177,722 km (0.113 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.12

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.96 AU - 2.14 AU

Year: 1077 Days

Day: 18.5 Hours

Environment

Temp: -77 °C

Axial Tilt: 2.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.81

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.97 AU - 2.49 AU

Year: 1222 Days

Day: 46.6 Hours

Environment

Temp: -73 °C

Axial Tilt: 161.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,620,567 km

• M1: 1,497,175 km (0.107 R)

Asteroid Belt

Center: 6.21 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118

Radius: 14.5

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 8.41 AU - 11.95 AU

Year: 11923 Days

Day: 8.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 55,620,567 km

• M1: 214,673 km (0.025 R)
• M2: 305,329 km (0.119 R)
• M3: 464,950 km (0.042 R)
• M4: 674,238 km (0.089 R)
• M5: 1,238,371 km (0.059 R)
• M6: 1,658,891 km (0.112 R)
• M7: 1,809,237 km (0.099 R)
• M8: 2,088,087 km (0.1 R)
• M9: 2,288,099 km (0.081 R)
• M10: 2,987,619 km (0.09 R)
• M11: 3,110,589 km (0.102 R)
• M12: 3,489,819 km (0.099 R)
• M13: 4,269,822 km (0.09 R)
• M14: 4,715,624 km (0.063 R)
• M15: 5,350,218 km (0.088 R)
• M16: 6,807,601 km (0.119 R)
• M17: 7,524,324 km (0.092 R)
• M18: 9,208,647 km (0.114 R)
• M19: 9,328,923 km (0.101 R)
• M20: 10,279,767 km (0.119 R)
• M21: 10,624,590 km (0.098 R)
• M22: 11,422,396 km (0.075 R)
• M23: 11,584,261 km (0.109 R)
• M24: 12,571,756 km (0.026 R)
• M25: 14,172,902 km (0.103 R)
• M26: 14,521,765 km (0.119 R)
• M27: 14,979,684 km (0.092 R)
• M28: 15,121,502 km (0.056 R)
• M29: 15,299,374 km (0.118 R)
• M30: 15,513,898 km (0.106 R)
• M31: 16,969,036 km (0.113 R)
• M32: 19,271,048 km (0.092 R)
• M33: 20,912,586 km (0.102 R)
• M34: 21,270,124 km (0.12 R)
• M35: 22,314,467 km (0.09 R)
• M36: 23,170,167 km (0.085 R)
• M37: 23,375,415 km (0.087 R)
• M38: 24,078,076 km (0.066 R)
• M39: 24,452,819 km (0.103 R)
• M40: 24,703,844 km (0.098 R)
• M41: 25,758,659 km (0.073 R)
• M42: 26,871,368 km (0.084 R)
• M43: 27,737,839 km (0.04 R)
• M44: 27,999,635 km (0.109 R)
• M45: 29,365,015 km (0.101 R)

Planet 9 - Gas Giant

Semi-Major Axis: 12.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.9

Radius: 10.1

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 12.14 AU - 12.42 AU

Year: 15797 Days

Day: 9.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 55,620,567 km

• M1: 294,558 km (0.092 R)
• M2: 358,287 km (0.071 R)
• M3: 709,244 km (0.113 R)
• M4: 841,488 km (0.093 R)
• M5: 1,088,025 km (0.117 R)
• M6: 1,220,120 km (0.089 R)
• M7: 1,776,325 km (0.089 R)
• M8: 1,933,403 km (0.111 R)
• M9: 2,040,814 km (0.113 R)
• M10: 2,318,169 km (0.03 R)
• M11: 2,696,801 km (0.099 R)
• M12: 2,847,745 km (0.089 R)
• M13: 3,063,764 km (0.063 R)
• M14: 3,221,441 km (0.095 R)
• M15: 3,677,265 km (0.107 R)
• M16: 3,946,990 km (0.111 R)
• M17: 4,223,148 km (0.105 R)
• M18: 5,352,013 km (0.074 R)
• M19: 5,580,898 km (0.098 R)
• M20: 6,008,898 km (0.102 R)
• M21: 6,732,203 km (0.102 R)
• M22: 7,062,515 km (0.099 R)
• M23: 7,145,841 km (0.112 R)
• M24: 8,303,879 km (0.073 R)
• M25: 8,436,123 km (0.063 R)
• M26: 8,569,116 km (0.077 R)
• M27: 9,198,773 km (0.103 R)
• M28: 9,290,028 km (0.101 R)
• M29: 9,611,514 km (0.081 R)
• M30: 9,843,390 km (0.089 R)
• M31: 10,265,555 km (0.106 R)
• M32: 11,030,749 km (0.092 R)
• M33: 11,127,538 km (0.112 R)
• M34: 11,322,315 km (0.106 R)
• M35: 12,312,802 km (0.08 R)
• M36: 13,022,644 km (0.084 R)
• M37: 13,485,949 km (0.045 R)
• M38: 13,641,680 km (0.073 R)
• M39: 15,610,089 km (0.08 R)
• M40: 16,157,168 km (0.034 R)
• M41: 17,101,729 km (0.114 R)
• M42: 17,949,949 km (0.118 R)
• M43: 21,235,867 km (0.086 R)
• M44: 23,008,901 km (0.095 R)
• M45: 24,765,479 km (0.079 R)
• M46: 25,211,280 km (0.07 R)
• M47: 25,339,187 km (0.118 R)
• M48: 25,595,597 km (0.117 R)
• M49: 25,659,775 km (0.082 R)
• M50: 25,852,906 km (0.096 R)
• M51: 26,110,962 km (0.098 R)
• M52: 26,564,842 km (0.113 R)
• M53: 27,152,014 km (0.061 R)
• M54: 28,074,135 km (0.1 R)
• M55: 29,006,429 km (0.075 R)
• M56: 29,341,827 km (0.099 R)
• M57: 29,678,572 km (0.091 R)
• M58: 29,813,659 km (0.06 R)
• M59: 30,152,199 km (0.032 R)
• M60: 30,901,385 km (0.088 R)
• M61: 32,071,390 km (0.073 R)
• M62: 32,348,744 km (0.08 R)
• M63: 32,905,847 km (0.115 R)
• M64: 33,536,551 km (0.026 R)
• M65: 33,747,634 km (0.114 R)
• M66: 34,809,629 km (0.082 R)
• M67: 34,880,838 km (0.106 R)
• M68: 35,023,405 km (0.06 R)
• M69: 36,531,650 km (0.089 R)
• M70: 36,748,867 km (0.066 R)
• M71: 36,893,976 km (0.053 R)
• M72: 37,548,916 km (0.04 R)
• M73: 38,428,402 km (0.114 R)
• M74: 38,870,613 km (0.118 R)
• M75: 38,944,514 km (0.064 R)
• M76: 39,240,419 km (0.105 R)
• M77: 40,956,606 km (0.103 R)
• M78: 42,013,216 km (0.026 R)
• M79: 42,164,908 km (0.114 R)
• M80: 42,392,745 km (0.112 R)
• M81: 42,544,886 km (0.031 R)
• M82: 46,406,755 km (0.085 R)
• M83: 47,982,619 km (0.106 R)
• M84: 48,220,480 km (0.119 R)
• M85: 48,299,917 km (0.117 R)
• M86: 49,016,341 km (0.026 R)
• M87: 49,575,986 km (0.118 R)
• M88: 49,736,355 km (0.074 R)
• M89: 50,137,876 km (0.089 R)
• M90: 50,459,811 km (0.075 R)
• M91: 50,621,077 km (0.117 R)
• M92: 53,717,005 km (0.079 R)
• M93: 55,038,852 km (0.095 R)
• M94: 55,121,879 km (0.102 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 446 - 17,150 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit