🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.4

Radius: 1.14

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.58 AU - 0.74 AU

Year: 189 Days

Day: 16.5 Hours

Environment

Temp: 188 °C

Axial Tilt: 15.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.47

Radius: 1.44

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.55 AU - 0.87 AU

Year: 211 Days

Day: 48 Hours

Environment

Temp: 226 °C

Axial Tilt: 29.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.03

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.81 AU - 1.05 AU

Year: 317 Days

Day: 32.2 Hours

Environment

Temp: 156 °C

Axial Tilt: 3.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.68

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.93 AU - 1.33 AU

Year: 424 Days

Day: 17.9 Hours

Environment

Temp: 19 °C

Axial Tilt: 7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 50,743,108 km

• M1: 532,419 km (0.072 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.99

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.41 AU - 1.53 AU

Year: 629 Days

Day: 17 Hours

Environment

Temp: 7 °C

Axial Tilt: 146.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.5

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.95 AU - 3.87 AU

Year: 2223 Days

Day: 40.7 Hours

Environment

Temp: -100 °C

Axial Tilt: 21 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 50,743,108 km

• M1: 266,733 km (0.092 R)
• M2: 2,157,052 km (0.118 R)

Asteroid Belt

Center: 4.67 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.9

Radius: 14.8

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 5.61 AU - 6.23 AU

Year: 5086 Days

Day: 14.5 Hours

Environment

Temp: -132 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (64)

Outer Limit: 50,743,108 km

• M1: 342,729 km (0.061 R)
• M2: 489,783 km (0.074 R)
• M3: 665,711 km (0.117 R)
• M4: 854,204 km (0.084 R)
• M5: 1,103,284 km (0.108 R)
• M6: 1,362,388 km (0.12 R)
• M7: 1,593,965 km (0.117 R)
• M8: 1,906,625 km (0.1 R)
• M9: 2,725,823 km (0.069 R)
• M10: 2,921,646 km (0.12 R)
• M11: 3,453,317 km (0.04 R)
• M12: 3,839,429 km (0.108 R)
• M13: 4,490,928 km (0.08 R)
• M14: 4,583,529 km (0.052 R)
• M15: 4,770,676 km (0.109 R)
• M16: 5,128,664 km (0.082 R)
• M17: 5,845,537 km (0.088 R)
• M18: 6,332,478 km (0.032 R)
• M19: 6,489,107 km (0.053 R)
• M20: 7,101,112 km (0.102 R)
• M21: 8,067,963 km (0.081 R)
• M22: 8,668,149 km (0.084 R)
• M23: 9,105,574 km (0.09 R)
• M24: 9,730,294 km (0.109 R)
• M25: 9,850,870 km (0.064 R)
• M26: 10,063,150 km (0.108 R)
• M27: 10,399,745 km (0.061 R)
• M28: 10,553,980 km (0.088 R)
• M29: 10,677,997 km (0.114 R)
• M30: 10,802,313 km (0.109 R)
• M31: 10,895,961 km (0.068 R)
• M32: 12,529,270 km (0.084 R)
• M33: 12,627,706 km (0.097 R)
• M34: 13,057,351 km (0.078 R)
• M35: 13,257,214 km (0.091 R)
• M36: 14,306,344 km (0.038 R)
• M37: 14,650,568 km (0.066 R)
• M38: 15,347,096 km (0.099 R)
• M39: 16,125,753 km (0.085 R)
• M40: 16,376,329 km (0.112 R)
• M41: 16,808,667 km (0.088 R)
• M42: 17,171,891 km (0.107 R)
• M43: 18,017,268 km (0.074 R)
• M44: 18,128,569 km (0.095 R)
• M45: 18,575,867 km (0.049 R)
• M46: 19,253,844 km (0.076 R)
• M47: 19,978,197 km (0.096 R)
• M48: 20,093,388 km (0.1 R)
• M49: 20,247,324 km (0.063 R)
• M50: 20,440,305 km (0.104 R)
• M51: 20,944,899 km (0.082 R)
• M52: 21,729,240 km (0.09 R)
• M53: 22,523,156 km (0.07 R)
• M54: 23,976,350 km (0.037 R)
• M55: 24,344,361 km (0.059 R)
• M56: 24,631,888 km (0.041 R)
• M57: 25,086,067 km (0.106 R)
• M58: 25,418,025 km (0.106 R)
• M59: 25,876,991 km (0.1 R)
• M60: 27,355,317 km (0.104 R)
• M61: 27,782,868 km (0.089 R)
• M62: 28,557,785 km (0.111 R)
• M63: 28,817,786 km (0.06 R)
• M64: 29,209,134 km (0.06 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.5

Radius: 12.3

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 9.79 AU - 11.95 AU

Year: 12654 Days

Day: 7.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 50,743,108 km

• M1: 182,659 km (0.11 R)
• M2: 296,054 km (0.08 R)
• M3: 442,511 km (0.066 R)
• M4: 685,009 km (0.114 R)
• M5: 1,110,016 km (0.106 R)
• M6: 1,406,669 km (0.05 R)
• M7: 2,125,935 km (0.117 R)
• M8: 2,388,779 km (0.051 R)
• M9: 2,606,743 km (0.105 R)
• M10: 3,210,370 km (0.11 R)
• M11: 3,667,691 km (0.102 R)
• M12: 4,475,819 km (0.085 R)
• M13: 4,643,967 km (0.101 R)
• M14: 5,266,892 km (0.106 R)
• M15: 5,516,272 km (0.118 R)
• M16: 5,696,986 km (0.085 R)
• M17: 5,842,844 km (0.096 R)
• M18: 6,175,699 km (0.025 R)
• M19: 7,211,216 km (0.084 R)
• M20: 7,408,835 km (0.119 R)
• M21: 8,300,139 km (0.096 R)
• M22: 9,011,925 km (0.114 R)
• M23: 10,449,262 km (0.101 R)
• M24: 10,763,268 km (0.097 R)
• M25: 10,989,460 km (0.116 R)
• M26: 11,677,610 km (0.102 R)
• M27: 12,191,179 km (0.109 R)
• M28: 12,521,791 km (0.064 R)
• M29: 12,616,935 km (0.113 R)
• M30: 12,759,950 km (0.08 R)
• M31: 13,192,139 km (0.101 R)
• M32: 13,726,951 km (0.054 R)
• M33: 15,475,451 km (0.1 R)
• M34: 15,987,973 km (0.115 R)
• M35: 16,767,079 km (0.097 R)
• M36: 17,187,599 km (0.111 R)
• M37: 18,254,381 km (0.088 R)
• M38: 18,416,246 km (0.079 R)
• M39: 18,632,714 km (0.075 R)
• M40: 19,507,413 km (0.078 R)
• M41: 20,005,424 km (0.076 R)
• M42: 20,283,826 km (0.117 R)
• M43: 20,788,270 km (0.033 R)
• M44: 20,900,917 km (0.09 R)
• M45: 22,963,273 km (0.119 R)
• M46: 24,255,350 km (0.039 R)
• M47: 24,433,371 km (0.079 R)
• M48: 24,970,129 km (0.044 R)
• M49: 26,055,162 km (0.049 R)
• M50: 27,093,970 km (0.07 R)
• M51: 28,395,920 km (0.117 R)
• M52: 28,520,984 km (0.11 R)
• M53: 29,148,996 km (0.056 R)
• M54: 30,291,026 km (0.097 R)
• M55: 31,124,884 km (0.04 R)
• M56: 31,706,670 km (0.056 R)
• M57: 31,901,297 km (0.104 R)
• M58: 32,292,047 km (0.073 R)
• M59: 32,880,864 km (0.108 R)
• M60: 33,209,531 km (0.083 R)
• M61: 33,936,576 km (0.078 R)
• M62: 34,869,468 km (0.05 R)
• M63: 35,406,226 km (0.092 R)
• M64: 35,743,120 km (0.113 R)
• M65: 36,013,443 km (0.111 R)
• M66: 37,855,741 km (0.036 R)
• M67: 39,031,431 km (0.106 R)
• M68: 40,852,486 km (0.041 R)
• M69: 41,064,466 km (0.052 R)
• M70: 42,200,811 km (0.041 R)
• M71: 43,780,266 km (0.032 R)
• M72: 44,504,619 km (0.109 R)
• M73: 44,722,583 km (0.074 R)
• M74: 45,305,865 km (0.03 R)
• M75: 46,406,157 km (0.079 R)
• M76: 46,922,719 km (0.075 R)
• M77: 47,663,976 km (0.087 R)
• M78: 48,110,526 km (0.088 R)
• M79: 48,932,865 km (0.098 R)

Kuiper Belt

Range: 31.1 - 50.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 303 - 15,416 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit