🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.82

Radius: 1.88

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.96 AU - 1.1 AU

Year: 369 Days

Day: 45.2 Hours

Environment

Temp: 97 °C

Axial Tilt: 39 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.61

Radius: 0.82

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.06 AU - 1.68 AU

Year: 566 Days

Day: 37 Hours

Environment

Temp: -5 °C

Axial Tilt: 7.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.25 AU - 1.77 AU

Year: 655 Days

Day: 12.9 Hours

Environment

Temp: -8 °C

Axial Tilt: 37.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 84,741,774 km

• M1: 700,567 km (0.049 R)
• M2: 1,215,034 km (0.04 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.36

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.79 AU - 1.97 AU

Year: 910 Days

Day: 29.1 Hours

Environment

Temp: -49 °C

Axial Tilt: 54.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 84,741,774 km

• M1: 85,720 km (0.108 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.61

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 3.78 AU - 5.52 AU

Year: 3541 Days

Day: 21.9 Hours

Environment

Temp: -125 °C

Axial Tilt: 3.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 84,741,774 km

• M1: 2,399,400 km (0.11 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.83

Radius: 1.52

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 3.98 AU - 5.36 AU

Year: 3563 Days

Day: 31.4 Hours

Environment

Temp: -127 °C

Axial Tilt: 11.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.09 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.3

Radius: 14.8

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 8.8 AU - 10.22 AU

Year: 10355 Days

Day: 14.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 84,741,774 km

• M1: 191,186 km (0.109 R)
• M2: 366,216 km (0.091 R)
• M3: 518,506 km (0.09 R)
• M4: 806,482 km (0.076 R)
• M5: 954,285 km (0.075 R)
• M6: 1,130,212 km (0.114 R)
• M7: 1,279,511 km (0.107 R)
• M8: 1,376,300 km (0.079 R)
• M9: 1,619,846 km (0.064 R)
• M10: 1,967,062 km (0.101 R)
• M11: 2,103,496 km (0.104 R)
• M12: 2,196,396 km (0.114 R)
• M13: 2,386,535 km (0.081 R)
• M14: 2,783,418 km (0.12 R)
• M15: 2,989,863 km (0.114 R)
• M16: 3,612,041 km (0.113 R)
• M17: 3,866,656 km (0.049 R)
• M18: 4,635,290 km (0.059 R)
• M19: 4,788,628 km (0.037 R)
• M20: 5,006,143 km (0.109 R)
• M21: 6,042,108 km (0.072 R)
• M22: 6,176,298 km (0.077 R)
• M23: 6,481,777 km (0.04 R)
• M24: 6,896,911 km (0.09 R)
• M25: 7,789,711 km (0.111 R)
• M26: 8,157,123 km (0.033 R)
• M27: 8,492,671 km (0.111 R)
• M28: 8,681,015 km (0.096 R)
• M29: 9,254,573 km (0.115 R)
• M30: 9,487,497 km (0.059 R)
• M31: 10,277,823 km (0.101 R)
• M32: 10,600,056 km (0.099 R)
• M33: 12,132,986 km (0.114 R)
• M34: 12,602,125 km (0.063 R)
• M35: 13,077,247 km (0.104 R)
• M36: 14,447,564 km (0.047 R)
• M37: 15,539,928 km (0.119 R)
• M38: 15,724,531 km (0.111 R)
• M39: 16,282,831 km (0.113 R)
• M40: 16,376,479 km (0.072 R)
• M41: 16,517,400 km (0.103 R)
• M42: 16,611,497 km (0.117 R)
• M43: 18,385,279 km (0.071 R)
• M44: 18,580,654 km (0.089 R)
• M45: 19,022,716 km (0.115 R)
• M46: 19,468,368 km (0.119 R)
• M47: 20,470,823 km (0.115 R)
• M48: 20,622,665 km (0.062 R)
• M49: 22,213,489 km (0.108 R)
• M50: 23,790,400 km (0.083 R)
• M51: 25,186,148 km (0.107 R)
• M52: 25,457,668 km (0.065 R)
• M53: 26,332,965 km (0.042 R)
• M54: 26,884,981 km (0.1 R)
• M55: 28,620,466 km (0.108 R)
• M56: 28,847,107 km (0.088 R)
• M57: 28,960,652 km (0.083 R)
• M58: 29,816,651 km (0.071 R)
• M59: 31,437,095 km (0.084 R)
• M60: 31,905,187 km (0.088 R)
• M61: 32,081,413 km (0.113 R)
• M62: 32,730,219 km (0.078 R)
• M63: 33,621,822 km (0.108 R)
• M64: 35,125,580 km (0.073 R)
• M65: 35,794,283 km (0.113 R)
• M66: 36,467,024 km (0.062 R)
• M67: 36,774,298 km (0.12 R)
• M68: 37,515,107 km (0.111 R)
• M69: 37,701,207 km (0.115 R)
• M70: 38,323,235 km (0.045 R)
• M71: 39,137,197 km (0.109 R)
• M72: 39,704,023 km (0.089 R)
• M73: 40,083,403 km (0.072 R)
• M74: 42,643,322 km (0.049 R)
• M75: 42,902,276 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 684.5

Radius: 7.9

Gravity: 10.97 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 12.45 AU - 20.41 AU

Year: 23516 Days

Day: 24.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (97)

Outer Limit: 84,741,774 km

• M1: 158,873 km (0.088 R)
• M2: 374,443 km (0.109 R)
• M3: 453,132 km (0.086 R)
• M4: 933,341 km (0.102 R)
• M5: 1,373,458 km (0.1 R)
• M6: 1,942,080 km (0.092 R)
• M7: 2,345,695 km (0.036 R)
• M8: 3,144,248 km (0.032 R)
• M9: 3,270,957 km (0.097 R)
• M10: 3,794,251 km (0.074 R)
• M11: 4,019,994 km (0.05 R)
• M12: 4,111,548 km (0.054 R)
• M13: 5,163,819 km (0.108 R)
• M14: 5,515,374 km (0.108 R)
• M15: 5,822,948 km (0.03 R)
• M16: 6,997,889 km (0.04 R)
• M17: 10,174,899 km (0.06 R)
• M18: 13,180,470 km (0.113 R)
• M19: 14,991,502 km (0.054 R)
• M20: 15,276,935 km (0.079 R)
• M21: 16,071,299 km (0.066 R)
• M22: 17,624,724 km (0.101 R)
• M23: 17,775,219 km (0.113 R)
• M24: 18,305,095 km (0.112 R)
• M25: 18,457,535 km (0.074 R)
• M26: 18,686,868 km (0.116 R)
• M27: 18,840,206 km (0.092 R)
• M28: 19,302,912 km (0.12 R)
• M29: 19,535,687 km (0.114 R)
• M30: 19,691,418 km (0.112 R)
• M31: 20,161,006 km (0.095 R)
• M32: 21,914,293 km (0.088 R)
• M33: 22,076,158 km (0.098 R)
• M34: 23,467,418 km (0.077 R)
• M35: 23,798,777 km (0.049 R)
• M36: 25,055,699 km (0.092 R)
• M37: 25,564,331 km (0.056 R)
• M38: 25,649,453 km (0.085 R)
• M39: 25,905,414 km (0.055 R)
• M40: 25,990,984 km (0.069 R)
• M41: 26,162,274 km (0.093 R)
• M42: 27,458,839 km (0.067 R)
• M43: 28,158,807 km (0.075 R)
• M44: 28,599,373 km (0.084 R)
• M45: 29,755,316 km (0.084 R)
• M46: 30,835,861 km (0.119 R)
• M47: 31,289,891 km (0.098 R)
• M48: 31,837,718 km (0.089 R)
• M49: 32,112,679 km (0.106 R)
• M50: 32,572,842 km (0.095 R)
• M51: 33,592,950 km (0.092 R)
• M52: 34,341,538 km (0.111 R)
• M53: 36,907,889 km (0.045 R)
• M54: 37,004,081 km (0.091 R)
• M55: 37,971,081 km (0.097 R)
• M56: 38,652,799 km (0.112 R)
• M57: 38,750,636 km (0.075 R)
• M58: 39,044,296 km (0.075 R)
• M59: 39,633,861 km (0.06 R)
• M60: 40,424,486 km (0.111 R)
• M61: 40,722,485 km (0.119 R)
• M62: 41,120,715 km (0.1 R)
• M63: 42,021,593 km (0.096 R)
• M64: 44,455,401 km (0.108 R)
• M65: 45,379,916 km (0.091 R)
• M66: 45,792,806 km (0.043 R)
• M67: 46,310,564 km (0.068 R)
• M68: 48,191,009 km (0.078 R)
• M69: 48,506,810 km (0.106 R)
• M70: 49,140,507 km (0.116 R)
• M71: 50,096,288 km (0.114 R)
• M72: 52,241,970 km (0.111 R)
• M73: 52,566,298 km (0.068 R)
• M74: 52,891,524 km (0.113 R)
• M75: 53,325,956 km (0.09 R)
• M76: 57,624,053 km (0.073 R)
• M77: 57,847,552 km (0.095 R)
• M78: 58,183,100 km (0.053 R)
• M79: 58,968,788 km (0.097 R)
• M80: 59,081,285 km (0.113 R)
• M81: 64,218,476 km (0.112 R)
• M82: 64,450,203 km (0.027 R)
• M83: 65,030,344 km (0.119 R)
• M84: 67,486,442 km (0.057 R)
• M85: 67,721,909 km (0.115 R)
• M86: 69,259,177 km (0.113 R)
• M87: 70,807,963 km (0.069 R)
• M88: 71,166,998 km (0.054 R)
• M89: 71,646,609 km (0.094 R)
• M90: 74,547,013 km (0.081 R)
• M91: 75,522,391 km (0.032 R)
• M92: 76,870,267 km (0.116 R)
• M93: 77,239,325 km (0.108 R)
• M94: 78,226,223 km (0.056 R)
• M95: 78,473,508 km (0.084 R)
• M96: 79,093,142 km (0.111 R)
• M97: 81,336,961 km (0.083 R)

Kuiper Belt

Range: 31.1 - 54.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 348 - 12,080 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit