🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.59 AU - 0.77 AU

Year: 205 Days

Day: 35.3 Hours

Environment

Temp: 130 °C

Axial Tilt: 41.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 59,734,120 km

• M1: 565,480 km (0.1 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.46

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.66 AU - 0.76 AU

Year: 219 Days

Day: 15.3 Hours

Environment

Temp: 156 °C

Axial Tilt: 15.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.95

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.84 AU - 1.08 AU

Year: 344 Days

Day: 42.6 Hours

Environment

Temp: 33 °C

Axial Tilt: 26 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.23 AU - 1.23 AU

Year: 498 Days

Day: 17.7 Hours

Environment

Temp: -11 °C

Axial Tilt: 18.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.34

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.3 AU - 1.42 AU

Year: 579 Days

Day: 45.8 Hours

Environment

Temp: -20 °C

Axial Tilt: 13.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.22

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 2.57 AU - 2.79 AU

Year: 1602 Days

Day: 23.5 Hours

Environment

Temp: -83 °C

Axial Tilt: 34 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 59,734,120 km

• M1: 431,739 km (0.116 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.47

Radius: 1.44

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 3.84 AU - 4.02 AU

Year: 2846 Days

Day: 31.5 Hours

Environment

Temp: -123 °C

Axial Tilt: 15.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 59,734,120 km

• M1: 2,473,152 km (0.112 R)

Asteroid Belt

Center: 6.84 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 9.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.3

Radius: 13.5

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 9.66 AU - 9.82 AU

Year: 11103 Days

Day: 12.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (68)

Outer Limit: 59,734,120 km

• M1: 179,817 km (0.116 R)
• M2: 275,260 km (0.094 R)
• M3: 412,292 km (0.098 R)
• M4: 507,137 km (0.09 R)
• M5: 611,855 km (0.097 R)
• M6: 704,157 km (0.089 R)
• M7: 1,026,391 km (0.05 R)
• M8: 1,231,938 km (0.058 R)
• M9: 1,381,536 km (0.115 R)
• M10: 1,494,333 km (0.112 R)
• M11: 1,790,687 km (0.115 R)
• M12: 2,474,498 km (0.114 R)
• M13: 2,561,116 km (0.09 R)
• M14: 2,863,453 km (0.098 R)
• M15: 3,028,310 km (0.072 R)
• M16: 3,121,210 km (0.077 R)
• M17: 3,541,879 km (0.057 R)
• M18: 3,759,095 km (0.114 R)
• M19: 3,919,763 km (0.118 R)
• M20: 4,564,530 km (0.066 R)
• M21: 4,866,718 km (0.11 R)
• M22: 4,976,224 km (0.067 R)
• M23: 5,220,218 km (0.1 R)
• M24: 5,766,100 km (0.094 R)
• M25: 5,952,200 km (0.085 R)
• M26: 6,116,608 km (0.105 R)
• M27: 6,282,662 km (0.114 R)
• M28: 7,562,322 km (0.05 R)
• M29: 8,179,862 km (0.091 R)
• M30: 8,284,281 km (0.036 R)
• M31: 8,706,895 km (0.061 R)
• M32: 8,867,115 km (0.118 R)
• M33: 8,974,526 km (0.103 R)
• M34: 9,821,549 km (0.078 R)
• M35: 9,932,700 km (0.106 R)
• M36: 10,072,275 km (0.04 R)
• M37: 10,212,448 km (0.091 R)
• M38: 10,381,643 km (0.083 R)
• M39: 10,722,727 km (0.079 R)
• M40: 11,125,294 km (0.078 R)
• M41: 11,827,058 km (0.111 R)
• M42: 12,392,837 km (0.061 R)
• M43: 12,724,496 km (0.095 R)
• M44: 14,300,060 km (0.052 R)
• M45: 14,489,451 km (0.062 R)
• M46: 15,708,375 km (0.102 R)
• M47: 15,903,899 km (0.065 R)
• M48: 16,165,845 km (0.06 R)
• M49: 17,194,181 km (0.096 R)
• M50: 17,362,030 km (0.099 R)
• M51: 17,902,826 km (0.093 R)
• M52: 18,380,642 km (0.085 R)
• M53: 18,793,532 km (0.048 R)
• M54: 19,174,557 km (0.092 R)
• M55: 19,383,546 km (0.12 R)
• M56: 19,593,432 km (0.116 R)
• M57: 19,768,760 km (0.098 R)
• M58: 20,475,461 km (0.106 R)
• M59: 21,226,442 km (0.06 R)
• M60: 21,370,505 km (0.098 R)
• M61: 22,608,277 km (0.116 R)
• M62: 22,939,786 km (0.088 R)
• M63: 24,169,182 km (0.118 R)
• M64: 24,583,717 km (0.066 R)
• M65: 24,772,959 km (0.112 R)
• M66: 25,190,935 km (0.092 R)
• M67: 25,343,525 km (0.047 R)
• M68: 25,573,008 km (0.096 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.1

Radius: 15

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 8.83 AU - 11.69 AU

Year: 12004 Days

Day: 12.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 59,734,120 km

• M1: 214,224 km (0.1 R)
• M2: 543,489 km (0.032 R)
• M3: 1,559,259 km (0.092 R)
• M4: 2,126,384 km (0.06 R)
• M5: 2,241,574 km (0.102 R)
• M6: 2,881,554 km (0.081 R)
• M7: 3,173,120 km (0.082 R)
• M8: 3,440,452 km (0.068 R)
• M9: 4,397,280 km (0.074 R)
• M10: 4,545,830 km (0.117 R)
• M11: 4,772,022 km (0.03 R)
• M12: 5,196,282 km (0.066 R)
• M13: 6,541,915 km (0.086 R)
• M14: 6,754,942 km (0.087 R)
• M15: 7,013,597 km (0.111 R)
• M16: 7,719,549 km (0.101 R)
• M17: 8,540,842 km (0.044 R)
• M18: 8,727,241 km (0.053 R)
• M19: 8,867,863 km (0.107 R)
• M20: 9,342,088 km (0.083 R)
• M21: 10,514,337 km (0.113 R)
• M22: 10,714,199 km (0.077 R)
• M23: 11,680,901 km (0.053 R)
• M24: 11,992,065 km (0.04 R)
• M25: 12,728,535 km (0.065 R)
• M26: 12,835,049 km (0.102 R)
• M27: 13,209,941 km (0.081 R)
• M28: 13,642,877 km (0.108 R)
• M29: 13,915,744 km (0.085 R)
• M30: 14,080,451 km (0.097 R)
• M31: 14,300,958 km (0.084 R)
• M32: 14,522,662 km (0.111 R)
• M33: 15,138,108 km (0.097 R)
• M34: 15,251,054 km (0.114 R)
• M35: 17,094,399 km (0.099 R)
• M36: 17,684,862 km (0.119 R)
• M37: 20,424,148 km (0.098 R)
• M38: 22,066,135 km (0.05 R)
• M39: 22,644,480 km (0.116 R)
• M40: 23,423,287 km (0.088 R)
• M41: 23,619,409 km (0.052 R)
• M42: 24,079,124 km (0.088 R)
• M43: 24,277,042 km (0.11 R)
• M44: 24,807,366 km (0.098 R)
• M45: 26,285,842 km (0.078 R)
• M46: 27,310,138 km (0.119 R)
• M47: 28,208,474 km (0.119 R)
• M48: 28,696,163 km (0.045 R)
• M49: 28,836,037 km (0.071 R)
• M50: 31,753,046 km (0.105 R)
• M51: 31,897,707 km (0.097 R)
• M52: 33,356,735 km (0.065 R)
• M53: 33,798,647 km (0.101 R)
• M54: 34,168,303 km (0.047 R)
• M55: 34,316,704 km (0.116 R)
• M56: 34,762,805 km (0.081 R)
• M57: 35,360,598 km (0.087 R)
• M58: 37,632,840 km (0.028 R)
• M59: 38,169,747 km (0.072 R)
• M60: 38,477,769 km (0.045 R)
• M61: 39,406,622 km (0.053 R)
• M62: 39,795,726 km (0.071 R)
• M63: 40,029,997 km (0.112 R)
• M64: 40,342,806 km (0.063 R)
• M65: 40,892,428 km (0.057 R)
• M66: 41,523,432 km (0.073 R)
• M67: 41,681,707 km (0.113 R)
• M68: 42,715,428 km (0.087 R)
• M69: 44,403,042 km (0.108 R)
• M70: 44,808,153 km (0.089 R)
• M71: 45,295,842 km (0.12 R)
• M72: 46,276,456 km (0.105 R)
• M73: 46,522,694 km (0.045 R)
• M74: 47,016,516 km (0.1 R)
• M75: 48,675,108 km (0.111 R)
• M76: 51,368,468 km (0.075 R)
• M77: 51,964,167 km (0.112 R)
• M78: 52,990,558 km (0.094 R)
• M79: 53,162,296 km (0.084 R)
• M80: 53,334,184 km (0.08 R)
• M81: 55,847,578 km (0.079 R)
• M82: 56,460,032 km (0.085 R)
• M83: 57,691,521 km (0.085 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 389 - 19,404 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit