🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.51 AU - 0.51 AU

Year: 135 Days

Day: 33.3 Hours

Environment

Temp: 213 °C

Axial Tilt: 5.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.39

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.45 AU - 0.63 AU

Year: 147 Days

Day: 20.9 Hours

Environment

Temp: 210 °C

Axial Tilt: 29.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.04

Radius: 1.02

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.46 AU - 0.66 AU

Year: 155 Days

Day: 25.7 Hours

Environment

Temp: 146 °C

Axial Tilt: 49.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 44,289,279 km

• M1: 67,768 km (0.107 R)
• M2: 289,173 km (0.118 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.64 AU - 0.94 AU

Year: 260 Days

Day: 42.4 Hours

Environment

Temp: 129 °C

Axial Tilt: 19.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.43

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.33 AU - 1.51 AU

Year: 628 Days

Day: 20.8 Hours

Environment

Temp: -42 °C

Axial Tilt: 13.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.62 AU - 2.28 AU

Year: 1010 Days

Day: 13.2 Hours

Environment

Temp: -68 °C

Axial Tilt: 38.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.87

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.2 AU - 3.2 AU

Year: 1645 Days

Day: 36.1 Hours

Environment

Temp: -93 °C

Axial Tilt: 43.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 7.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427

Radius: 12.1

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 5.97 AU - 8.97 AU

Year: 7572 Days

Day: 14.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 44,289,279 km

• M1: 159,023 km (0.119 R)
• M2: 300,692 km (0.093 R)
• M3: 484,548 km (0.09 R)
• M4: 832,213 km (0.08 R)
• M5: 945,608 km (0.08 R)
• M6: 1,080,097 km (0.1 R)
• M7: 1,253,630 km (0.111 R)
• M8: 1,593,517 km (0.117 R)
• M9: 2,177,098 km (0.103 R)
• M10: 2,420,194 km (0.087 R)
• M11: 2,524,165 km (0.112 R)
• M12: 2,845,052 km (0.093 R)
• M13: 2,955,156 km (0.031 R)
• M14: 3,156,665 km (0.089 R)
• M15: 3,479,497 km (0.045 R)
• M16: 3,837,185 km (0.074 R)
• M17: 4,383,517 km (0.115 R)
• M18: 4,536,855 km (0.046 R)
• M19: 4,640,077 km (0.104 R)
• M20: 4,980,861 km (0.12 R)
• M21: 5,357,249 km (0.107 R)
• M22: 6,395,907 km (0.093 R)
• M23: 6,511,846 km (0.039 R)
• M24: 7,222,735 km (0.117 R)
• M25: 7,526,269 km (0.103 R)
• M26: 7,710,424 km (0.109 R)
• M27: 7,958,158 km (0.065 R)
• M28: 8,334,995 km (0.108 R)
• M29: 8,653,339 km (0.034 R)
• M30: 8,781,844 km (0.07 R)
• M31: 8,943,410 km (0.119 R)
• M32: 9,138,635 km (0.11 R)
• M33: 9,236,771 km (0.104 R)
• M34: 9,335,206 km (0.091 R)
• M35: 9,566,335 km (0.058 R)
• M36: 9,732,538 km (0.116 R)
• M37: 9,866,279 km (0.097 R)
• M38: 10,067,937 km (0.09 R)
• M39: 10,237,132 km (0.051 R)
• M40: 10,750,253 km (0.103 R)
• M41: 10,923,188 km (0.113 R)
• M42: 11,201,739 km (0.082 R)
• M43: 12,339,580 km (0.068 R)
• M44: 12,629,800 km (0.09 R)
• M45: 12,739,156 km (0.116 R)
• M46: 13,365,074 km (0.097 R)
• M47: 13,813,119 km (0.116 R)
• M48: 15,302,815 km (0.103 R)
• M49: 15,458,397 km (0.074 R)
• M50: 16,125,902 km (0.112 R)
• M51: 17,043,985 km (0.108 R)
• M52: 18,102,240 km (0.062 R)
• M53: 18,473,392 km (0.087 R)
• M54: 18,556,269 km (0.092 R)
• M55: 18,639,296 km (0.096 R)
• M56: 18,930,713 km (0.056 R)
• M57: 19,139,701 km (0.087 R)
• M58: 19,941,097 km (0.108 R)
• M59: 20,367,301 km (0.114 R)
• M60: 21,185,452 km (0.088 R)
• M61: 22,058,206 km (0.052 R)
• M62: 22,543,202 km (0.081 R)
• M63: 24,064,613 km (0.05 R)
• M64: 24,609,448 km (0.095 R)
• M65: 25,250,176 km (0.074 R)
• M66: 25,434,331 km (0.09 R)
• M67: 25,526,633 km (0.113 R)
• M68: 25,896,588 km (0.111 R)
• M69: 26,315,013 km (0.071 R)
• M70: 27,205,570 km (0.113 R)
• M71: 27,536,181 km (0.098 R)
• M72: 27,773,144 km (0.114 R)
• M73: 29,354,094 km (0.103 R)
• M74: 29,547,674 km (0.077 R)
• M75: 30,033,568 km (0.059 R)
• M76: 32,652,727 km (0.105 R)
• M77: 33,205,491 km (0.073 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 168.9

Radius: 5.4

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 10.64 AU - 15.86 AU

Year: 17887 Days

Day: 21 Hours

Environment

Temp: -183 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 44,289,279 km

• M1: 74,350 km (0.075 R)
• M2: 252,521 km (0.104 R)
• M3: 407,804 km (0.038 R)
• M4: 503,397 km (0.096 R)
• M5: 561,590 km (0.118 R)
• M6: 669,002 km (0.041 R)
• M7: 749,785 km (0.076 R)
• M8: 957,426 km (0.108 R)
• M9: 1,012,030 km (0.118 R)
• M10: 1,086,679 km (0.092 R)
• M11: 1,281,156 km (0.081 R)
• M12: 1,321,398 km (0.104 R)
• M13: 1,550,283 km (0.062 R)
• M14: 1,836,912 km (0.114 R)
• M15: 2,212,104 km (0.078 R)
• M16: 2,713,705 km (0.109 R)
• M17: 2,844,454 km (0.076 R)
• M18: 2,923,890 km (0.093 R)
• M19: 3,729,625 km (0.041 R)
• M20: 3,845,862 km (0.106 R)
• M21: 4,383,816 km (0.083 R)
• M22: 4,506,486 km (0.064 R)
• M23: 4,755,417 km (0.1 R)
• M24: 4,913,243 km (0.059 R)
• M25: 6,236,885 km (0.118 R)
• M26: 6,619,257 km (0.109 R)
• M27: 7,009,109 km (0.116 R)
• M28: 7,369,939 km (0.117 R)
• M29: 7,406,441 km (0.069 R)
• M30: 8,298,343 km (0.091 R)
• M31: 9,184,711 km (0.091 R)
• M32: 9,302,444 km (0.11 R)
• M33: 11,003,821 km (0.095 R)
• M34: 11,128,885 km (0.101 R)
• M35: 13,684,316 km (0.058 R)
• M36: 15,003,769 km (0.103 R)
• M37: 16,220,748 km (0.053 R)
• M38: 16,268,320 km (0.112 R)
• M39: 17,908,511 km (0.049 R)
• M40: 19,248,160 km (0.117 R)
• M41: 19,499,783 km (0.103 R)
• M42: 20,006,322 km (0.08 R)
• M43: 20,159,061 km (0.03 R)
• M44: 20,671,135 km (0.12 R)
• M45: 20,877,131 km (0.091 R)
• M46: 21,291,367 km (0.106 R)
• M47: 22,602,892 km (0.113 R)
• M48: 23,188,119 km (0.112 R)
• M49: 23,617,016 km (0.079 R)
• M50: 24,919,116 km (0.116 R)
• M51: 25,744,746 km (0.059 R)
• M52: 25,966,301 km (0.049 R)
• M53: 26,859,400 km (0.106 R)
• M54: 27,309,690 km (0.075 R)
• M55: 29,366,660 km (0.104 R)
• M56: 30,706,758 km (0.083 R)
• M57: 31,118,451 km (0.116 R)
• M58: 31,828,593 km (0.032 R)
• M59: 31,947,523 km (0.118 R)
• M60: 33,265,031 km (0.111 R)
• M61: 34,967,305 km (0.087 R)
• M62: 36,076,424 km (0.061 R)
• M63: 36,386,540 km (0.087 R)
• M64: 36,759,937 km (0.115 R)
• M65: 37,635,982 km (0.057 R)
• M66: 38,772,477 km (0.096 R)
• M67: 38,836,056 km (0.099 R)
• M68: 39,344,988 km (0.094 R)
• M69: 39,536,473 km (0.111 R)
• M70: 40,369,584 km (0.059 R)
• M71: 41,988,083 km (0.117 R)
• M72: 42,379,581 km (0.119 R)
• M73: 43,297,962 km (0.054 R)
• M74: 43,561,554 km (0.072 R)
• M75: 43,957,988 km (0.117 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 250 - 17,931 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit