🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.61

Radius: 0.82

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.66 AU - 0.82 AU

Year: 183 Days

Day: 31.9 Hours

Environment

Temp: 328 °C

Axial Tilt: 38.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.58

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.94 AU - 1.16 AU

Year: 309 Days

Day: 19.5 Hours

Environment

Temp: 216 °C

Axial Tilt: 4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 35,456,883 km

• M1: 311,164 km (0.109 R)
• M2: 640,129 km (0.069 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.14

Radius: 1.05

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.18 AU - 1.6 AU

Year: 470 Days

Day: 46.2 Hours

Environment

Temp: 167 °C

Axial Tilt: 25.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.77

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.31 AU - 1.95 AU

Year: 597 Days

Day: 30.9 Hours

Environment

Temp: 146 °C

Axial Tilt: 10.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 35,456,883 km

• M1: 862,731 km (0.103 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.82

Radius: 1.51

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.56 AU - 1.86 AU

Year: 642 Days

Day: 35.5 Hours

Environment

Temp: 102 °C

Axial Tilt: 34.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 6 - Terrestrial

Semi-Major Axis: 2.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.57

Radius: 1.66

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.82 AU - 3.12 AU

Year: 1469 Days

Day: 38.2 Hours

Environment

Temp: -9 °C

Axial Tilt: 15 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 35,456,883 km

• M1: 408,701 km (0.044 R)
• M2: 1,151,904 km (0.093 R)

Planet 7 - Terrestrial

Semi-Major Axis: 2.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.83

Radius: 1.52

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.78 AU - 3.18 AU

Year: 1476 Days

Day: 38 Hours

Environment

Temp: -7 °C

Axial Tilt: 21.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 35,456,883 km

• M1: 1,134,999 km (0.091 R)

Planet 8 - Gas Giant

Semi-Major Axis: 12.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.2

Radius: 13.5

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 9.56 AU - 15.38 AU

Year: 12637 Days

Day: 5.4 Hours

Environment

Temp: -138 °C

Axial Tilt: 110.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 35,456,883 km

• M1: 227,239 km (0.116 R)
• M2: 344,973 km (0.069 R)
• M3: 580,889 km (0.117 R)
• M4: 721,511 km (0.082 R)
• M5: 817,852 km (0.058 R)
• M6: 1,072,318 km (0.116 R)
• M7: 1,458,430 km (0.08 R)
• M8: 1,677,291 km (0.058 R)
• M9: 1,926,970 km (0.112 R)
• M10: 2,506,213 km (0.11 R)
• M11: 2,637,410 km (0.101 R)
• M12: 2,793,291 km (0.076 R)
• M13: 3,279,784 km (0.08 R)
• M14: 3,448,081 km (0.069 R)
• M15: 3,594,538 km (0.116 R)
• M16: 3,944,447 km (0.088 R)
• M17: 4,072,204 km (0.072 R)
• M18: 4,384,564 km (0.093 R)
• M19: 4,949,894 km (0.072 R)
• M20: 5,087,973 km (0.09 R)
• M21: 5,339,746 km (0.109 R)
• M22: 5,595,708 km (0.12 R)
• M23: 5,739,622 km (0.104 R)
• M24: 6,508,255 km (0.066 R)
• M25: 6,690,166 km (0.076 R)
• M26: 6,781,870 km (0.108 R)
• M27: 7,753,508 km (0.055 R)
• M28: 7,946,639 km (0.119 R)
• M29: 8,469,483 km (0.069 R)
• M30: 8,969,739 km (0.106 R)
• M31: 9,376,944 km (0.1 R)
• M32: 9,686,462 km (0.067 R)
• M33: 10,670,667 km (0.037 R)
• M34: 10,849,735 km (0.114 R)
• M35: 10,957,745 km (0.092 R)
• M36: 11,723,536 km (0.1 R)
• M37: 13,306,581 km (0.07 R)
• M38: 13,499,413 km (0.115 R)
• M39: 13,966,308 km (0.119 R)
• M40: 14,438,438 km (0.119 R)
• M41: 15,036,082 km (0.055 R)
• M42: 15,641,804 km (0.087 R)
• M43: 16,132,186 km (0.083 R)
• M44: 16,627,504 km (0.082 R)
• M45: 17,380,131 km (0.062 R)
• M46: 18,186,464 km (0.119 R)
• M47: 18,529,791 km (0.039 R)
• M48: 18,702,127 km (0.071 R)
• M49: 19,091,979 km (0.101 R)
• M50: 20,012,156 km (0.044 R)
• M51: 21,941,220 km (0.105 R)
• M52: 22,628,024 km (0.065 R)
• M53: 22,858,555 km (0.044 R)
• M54: 23,368,384 km (0.079 R)
• M55: 23,601,458 km (0.064 R)
• M56: 23,928,927 km (0.115 R)
• M57: 26,360,342 km (0.066 R)
• M58: 27,629,979 km (0.058 R)
• M59: 28,074,135 km (0.09 R)
• M60: 28,222,685 km (0.085 R)
• M61: 28,470,868 km (0.08 R)
• M62: 28,570,351 km (0.099 R)
• M63: 29,019,444 km (0.114 R)
• M64: 29,722,703 km (0.062 R)
• M65: 30,076,502 km (0.081 R)
• M66: 30,686,263 km (0.117 R)
• M67: 30,839,302 km (0.062 R)
• M68: 31,402,687 km (0.101 R)
• M69: 31,659,846 km (0.083 R)
• M70: 32,904,201 km (0.104 R)
• M71: 33,217,908 km (0.067 R)
• M72: 33,322,627 km (0.074 R)
• M73: 33,742,697 km (0.115 R)
• M74: 34,006,139 km (0.063 R)
• M75: 34,482,160 km (0.042 R)
• M76: 34,694,439 km (0.103 R)
• M77: 35,173,601 km (0.064 R)

Planet 9 - Ice Giant

Semi-Major Axis: 21.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 36.2

Radius: 6.5

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 16.34 AU - 25.72 AU

Year: 27675 Days

Day: 18.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (62)

Outer Limit: 35,456,883 km

• M1: 101,577 km (0.067 R)
• M2: 196,272 km (0.104 R)
• M3: 549,623 km (0.117 R)
• M4: 750,084 km (0.119 R)
• M5: 1,796,670 km (0.074 R)
• M6: 1,993,840 km (0.036 R)
• M7: 2,430,367 km (0.053 R)
• M8: 2,473,451 km (0.044 R)
• M9: 2,737,491 km (0.082 R)
• M10: 2,873,027 km (0.106 R)
• M11: 3,436,712 km (0.082 R)
• M12: 3,756,103 km (0.065 R)
• M13: 4,370,801 km (0.072 R)
• M14: 4,689,893 km (0.065 R)
• M15: 5,126,869 km (0.063 R)
• M16: 5,378,492 km (0.047 R)
• M17: 6,424,630 km (0.087 R)
• M18: 6,635,264 km (0.082 R)
• M19: 6,756,588 km (0.045 R)
• M20: 6,848,142 km (0.064 R)
• M21: 6,970,812 km (0.109 R)
• M22: 7,690,228 km (0.084 R)
• M23: 10,335,418 km (0.071 R)
• M24: 10,724,223 km (0.088 R)
• M25: 10,831,035 km (0.103 R)
• M26: 11,334,283 km (0.067 R)
• M27: 11,479,542 km (0.083 R)
• M28: 12,066,564 km (0.069 R)
• M29: 12,475,714 km (0.114 R)
• M30: 13,193,335 km (0.098 R)
• M31: 13,422,669 km (0.097 R)
• M32: 13,769,138 km (0.075 R)
• M33: 14,079,703 km (0.079 R)
• M34: 14,314,123 km (0.103 R)
• M35: 14,905,782 km (0.091 R)
• M36: 15,505,371 km (0.06 R)
• M37: 15,747,420 km (0.104 R)
• M38: 16,645,605 km (0.073 R)
• M39: 17,434,585 km (0.099 R)
• M40: 19,049,045 km (0.049 R)
• M41: 19,742,880 km (0.078 R)
• M42: 20,577,636 km (0.107 R)
• M43: 21,110,803 km (0.114 R)
• M44: 21,289,572 km (0.088 R)
• M45: 22,508,944 km (0.065 R)
• M46: 24,076,581 km (0.069 R)
• M47: 24,263,428 km (0.11 R)
• M48: 25,015,158 km (0.067 R)
• M49: 25,393,939 km (0.056 R)
• M50: 26,109,167 km (0.04 R)
• M51: 26,300,951 km (0.115 R)
• M52: 28,048,703 km (0.116 R)
• M53: 29,184,749 km (0.052 R)
• M54: 29,633,393 km (0.118 R)
• M55: 30,235,076 km (0.107 R)
• M56: 31,705,922 km (0.119 R)
• M57: 32,785,421 km (0.059 R)
• M58: 32,992,464 km (0.1 R)
• M59: 33,355,688 km (0.09 R)
• M60: 33,407,748 km (0.063 R)
• M61: 34,400,928 km (0.056 R)
• M62: 35,456,939 km (0.066 R)

Kuiper Belt

Range: 38.3 - 53.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 254 - 13,960 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit