🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.18

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.53 AU - 0.69 AU

Year: 178 Days

Day: 34.1 Hours

Environment

Temp: 166 °C

Axial Tilt: 0.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 80,503,554 km

• M1: 217,964 km (0.029 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.43

Radius: 0.71

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.75 AU - 1.11 AU

Year: 334 Days

Day: 43.5 Hours

Environment

Temp: 45 °C

Axial Tilt: 12.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.12

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.85 AU - 1.13 AU

Year: 367 Days

Day: 28.6 Hours

Environment

Temp: 33 °C

Axial Tilt: 4.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 80,503,554 km

• M1: 707,598 km (0.053 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.47

Radius: 1.44

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.07 AU - 1.51 AU

Year: 546 Days

Day: 28.5 Hours

Environment

Temp: -19 °C

Axial Tilt: 21.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 80,503,554 km

• M1: 995,723 km (0.107 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.52

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.3 AU - 1.54 AU

Year: 631 Days

Day: 37.3 Hours

Environment

Temp: -28 °C

Axial Tilt: 33.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.31

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.8 AU - 2.3 AU

Year: 1094 Days

Day: 29.9 Hours

Environment

Temp: -71 °C

Axial Tilt: 46.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.44

Radius: 1.16

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 2.52 AU - 3.82 AU

Year: 2104 Days

Day: 35.4 Hours

Environment

Temp: -114 °C

Axial Tilt: 32.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 80,503,554 km

• M1: 27,077 km (0.103 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.2

Radius: 11.4

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 7.11 AU - 8.97 AU

Year: 8498 Days

Day: 12.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 80,503,554 km

• M1: 158,125 km (0.082 R)
• M2: 300,243 km (0.078 R)
• M3: 502,798 km (0.054 R)
• M4: 606,320 km (0.091 R)
• M5: 683,064 km (0.112 R)
• M6: 838,047 km (0.111 R)
• M7: 955,033 km (0.119 R)
• M8: 1,046,587 km (0.091 R)
• M9: 1,228,348 km (0.103 R)
• M10: 1,479,373 km (0.085 R)
• M11: 1,599,201 km (0.036 R)
• M12: 1,734,737 km (0.095 R)
• M13: 2,124,439 km (0.084 R)
• M14: 2,385,488 km (0.072 R)
• M15: 2,527,306 km (0.112 R)
• M16: 2,657,157 km (0.061 R)
• M17: 2,745,121 km (0.06 R)
• M18: 2,833,982 km (0.05 R)
• M19: 2,939,000 km (0.073 R)
• M20: 3,661,258 km (0.081 R)
• M21: 3,792,456 km (0.082 R)
• M22: 3,941,904 km (0.09 R)
• M23: 4,178,269 km (0.058 R)
• M24: 4,419,420 km (0.11 R)
• M25: 4,807,627 km (0.072 R)
• M26: 5,042,196 km (0.086 R)
• M27: 5,317,606 km (0.057 R)
• M28: 5,429,206 km (0.049 R)
• M29: 5,541,554 km (0.082 R)
• M30: 5,654,800 km (0.109 R)
• M31: 6,056,919 km (0.099 R)
• M32: 6,290,890 km (0.044 R)
• M33: 6,448,566 km (0.104 R)
• M34: 6,527,853 km (0.112 R)
• M35: 6,707,520 km (0.086 R)
• M36: 7,484,381 km (0.108 R)
• M37: 7,588,651 km (0.108 R)
• M38: 8,615,042 km (0.087 R)
• M39: 8,768,380 km (0.034 R)
• M40: 8,878,484 km (0.025 R)
• M41: 8,989,037 km (0.071 R)
• M42: 9,278,509 km (0.114 R)
• M43: 9,458,325 km (0.066 R)
• M44: 10,537,524 km (0.116 R)
• M45: 10,654,660 km (0.08 R)
• M46: 10,890,127 km (0.109 R)
• M47: 11,222,832 km (0.108 R)
• M48: 11,534,744 km (0.063 R)
• M49: 11,703,789 km (0.093 R)
• M50: 12,118,026 km (0.056 R)
• M51: 12,611,549 km (0.063 R)
• M52: 12,810,814 km (0.092 R)
• M53: 14,131,164 km (0.119 R)
• M54: 14,468,059 km (0.109 R)
• M55: 14,676,748 km (0.109 R)
• M56: 14,807,646 km (0.103 R)
• M57: 15,255,692 km (0.114 R)
• M58: 15,467,971 km (0.05 R)
• M59: 15,547,856 km (0.12 R)
• M60: 15,841,966 km (0.075 R)
• M61: 15,949,377 km (0.078 R)
• M62: 16,111,092 km (0.108 R)
• M63: 16,192,025 km (0.113 R)
• M64: 16,354,488 km (0.084 R)
• M65: 16,490,173 km (0.115 R)
• M66: 16,599,081 km (0.12 R)
• M67: 17,119,382 km (0.075 R)
• M68: 17,478,566 km (0.06 R)
• M69: 17,840,294 km (0.096 R)
• M70: 17,952,044 km (0.079 R)
• M71: 18,401,436 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 693.3

Radius: 6.3

Gravity: 17.47 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 14.69 AU - 15.29 AU

Year: 21635 Days

Day: 19.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 80,503,554 km

• M1: 115,789 km (0.107 R)
• M2: 272,567 km (0.093 R)
• M3: 396,285 km (0.09 R)
• M4: 604,974 km (0.073 R)
• M5: 820,694 km (0.052 R)
• M6: 1,059,602 km (0.109 R)
• M7: 1,350,121 km (0.109 R)
• M8: 1,411,157 km (0.038 R)
• M9: 1,473,090 km (0.072 R)
• M10: 1,763,460 km (0.116 R)
• M11: 2,001,470 km (0.048 R)
• M12: 2,071,482 km (0.116 R)
• M13: 2,470,609 km (0.096 R)
• M14: 2,736,893 km (0.031 R)
• M15: 3,463,490 km (0.084 R)
• M16: 3,804,573 km (0.055 R)
• M17: 4,067,566 km (0.076 R)
• M18: 4,111,997 km (0.067 R)
• M19: 6,271,442 km (0.119 R)
• M20: 6,529,797 km (0.072 R)
• M21: 6,582,007 km (0.078 R)
• M22: 7,271,803 km (0.12 R)
• M23: 7,873,336 km (0.107 R)
• M24: 8,490,726 km (0.084 R)
• M25: 9,240,361 km (0.108 R)
• M26: 10,252,391 km (0.105 R)
• M27: 10,863,947 km (0.115 R)
• M28: 11,676,563 km (0.111 R)
• M29: 11,866,851 km (0.098 R)
• M30: 12,058,187 km (0.107 R)
• M31: 12,768,477 km (0.098 R)
• M32: 13,558,803 km (0.096 R)
• M33: 14,568,738 km (0.11 R)
• M34: 14,636,805 km (0.075 R)
• M35: 14,705,171 km (0.111 R)
• M36: 16,588,908 km (0.031 R)
• M37: 16,945,998 km (0.067 R)
• M38: 17,740,512 km (0.099 R)
• M39: 18,399,641 km (0.118 R)
• M40: 18,473,392 km (0.074 R)
• M41: 18,769,297 km (0.107 R)
• M42: 20,348,302 km (0.104 R)
• M43: 20,730,375 km (0.102 R)
• M44: 23,872,230 km (0.112 R)
• M45: 26,158,235 km (0.1 R)
• M46: 26,324,139 km (0.077 R)
• M47: 28,257,392 km (0.053 R)
• M48: 29,112,194 km (0.058 R)
• M49: 29,801,990 km (0.029 R)
• M50: 29,975,374 km (0.119 R)
• M51: 30,497,321 km (0.047 R)
• M52: 31,110,074 km (0.112 R)
• M53: 32,169,975 km (0.083 R)
• M54: 32,347,697 km (0.12 R)
• M55: 33,511,269 km (0.113 R)
• M56: 36,063,708 km (0.106 R)
• M57: 37,924,855 km (0.081 R)
• M58: 38,206,698 km (0.059 R)
• M59: 38,489,139 km (0.09 R)
• M60: 39,056,414 km (0.098 R)
• M61: 40,390,528 km (0.112 R)
• M62: 40,678,354 km (0.026 R)
• M63: 41,063,120 km (0.118 R)
• M64: 41,545,872 km (0.099 R)
• M65: 41,836,541 km (0.046 R)
• M66: 44,086,343 km (0.036 R)
• M67: 44,580,614 km (0.053 R)
• M68: 44,878,015 km (0.089 R)
• M69: 46,978,668 km (0.103 R)
• M70: 47,079,497 km (0.096 R)
• M71: 48,193,253 km (0.113 R)
• M72: 48,906,536 km (0.118 R)
• M73: 50,137,427 km (0.108 R)
• M74: 52,002,913 km (0.111 R)
• M75: 53,154,068 km (0.11 R)
• M76: 53,259,086 km (0.093 R)
• M77: 57,949,877 km (0.1 R)
• M78: 58,708,338 km (0.106 R)
• M79: 58,816,946 km (0.078 R)
• M80: 59,143,219 km (0.079 R)
• M81: 60,893,215 km (0.116 R)
• M82: 63,327,023 km (0.089 R)
• M83: 65,116,961 km (0.063 R)
• M84: 66,583,619 km (0.092 R)
• M85: 66,923,655 km (0.118 R)
• M86: 67,150,595 km (0.114 R)
• M87: 68,289,334 km (0.112 R)
• M88: 68,861,097 km (0.102 R)
• M89: 70,124,451 km (0.108 R)
• M90: 70,701,300 km (0.11 R)
• M91: 71,395,584 km (0.096 R)
• M92: 75,372,344 km (0.109 R)
• M93: 77,625,737 km (0.104 R)
• M94: 77,864,196 km (0.117 R)
• M95: 79,180,208 km (0.08 R)
• M96: 79,780,844 km (0.087 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 184 - 18,563 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit