🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.77

Radius: 1.26

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.96 AU - 1.02 AU

Year: 362 Days

Day: 27.9 Hours

Environment

Temp: 40 °C

Axial Tilt: 9.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.74

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.07 AU - 1.37 AU

Year: 495 Days

Day: 19 Hours

Environment

Temp: 5 °C

Axial Tilt: 14.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.65

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.96 AU - 3.24 AU

Year: 1539 Days

Day: 18 Hours

Environment

Temp: -84 °C

Axial Tilt: 1.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 55,885,774 km

• M1: 104,120 km (0.107 R)
• M2: 1,606,232 km (0.11 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.2

Radius: 0.53

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.98 AU - 3.24 AU

Year: 1548 Days

Day: 46.6 Hours

Environment

Temp: -102 °C

Axial Tilt: 45 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.64

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 3.21 AU - 3.99 AU

Year: 2507 Days

Day: 32.7 Hours

Environment

Temp: -127 °C

Axial Tilt: 11.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,885,774 km

• M1: 515,514 km (0.119 R)

Asteroid Belt

Center: 4.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.5

Radius: 11.2

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 4.9 AU - 6.14 AU

Year: 4761 Days

Day: 5.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (64)

Outer Limit: 55,885,774 km

• M1: 139,874 km (0.071 R)
• M2: 213,327 km (0.082 R)
• M3: 396,285 km (0.106 R)
• M4: 516,113 km (0.044 R)
• M5: 817,104 km (0.065 R)
• M6: 1,040,902 km (0.045 R)
• M7: 1,343,090 km (0.096 R)
• M8: 1,510,938 km (0.042 R)
• M9: 1,867,729 km (0.097 R)
• M10: 2,540,172 km (0.051 R)
• M11: 3,122,407 km (0.116 R)
• M12: 3,347,252 km (0.064 R)
• M13: 3,428,783 km (0.096 R)
• M14: 3,660,959 km (0.043 R)
• M15: 3,796,046 km (0.116 R)
• M16: 3,898,371 km (0.086 R)
• M17: 4,105,863 km (0.101 R)
• M18: 4,550,019 km (0.112 R)
• M19: 4,842,333 km (0.074 R)
• M20: 5,009,584 km (0.095 R)
• M21: 5,235,477 km (0.114 R)
• M22: 5,736,480 km (0.081 R)
• M23: 5,874,110 km (0.08 R)
• M24: 5,972,994 km (0.106 R)
• M25: 6,172,558 km (0.101 R)
• M26: 6,435,252 km (0.111 R)
• M27: 6,598,762 km (0.081 R)
• M28: 6,722,330 km (0.089 R)
• M29: 6,826,001 km (0.119 R)
• M30: 7,139,858 km (0.053 R)
• M31: 8,554,305 km (0.106 R)
• M32: 9,490,040 km (0.102 R)
• M33: 10,076,464 km (0.109 R)
• M34: 10,147,672 km (0.044 R)
• M35: 10,242,817 km (0.119 R)
• M36: 10,338,260 km (0.111 R)
• M37: 10,674,855 km (0.057 R)
• M38: 10,892,969 km (0.058 R)
• M39: 11,039,276 km (0.087 R)
• M40: 11,432,718 km (0.099 R)
• M41: 11,930,879 km (0.072 R)
• M42: 12,309,212 km (0.055 R)
• M43: 12,614,691 km (0.088 R)
• M44: 12,691,435 km (0.064 R)
• M45: 12,896,982 km (0.045 R)
• M46: 13,914,547 km (0.104 R)
• M47: 14,286,148 km (0.116 R)
• M48: 14,687,818 km (0.115 R)
• M49: 15,229,362 km (0.092 R)
• M50: 15,475,152 km (0.067 R)
• M51: 15,584,807 km (0.12 R)
• M52: 15,722,287 km (0.045 R)
• M53: 15,970,769 km (0.096 R)
• M54: 16,164,798 km (0.097 R)
• M55: 16,276,099 km (0.096 R)
• M56: 16,359,724 km (0.074 R)
• M57: 16,667,596 km (0.115 R)
• M58: 17,602,882 km (0.092 R)
• M59: 17,746,047 km (0.041 R)
• M60: 18,380,642 km (0.037 R)
• M61: 19,110,829 km (0.083 R)
• M62: 19,464,628 km (0.079 R)
• M63: 19,583,109 km (0.09 R)
• M64: 20,059,279 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.4

Radius: 13.1

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 9.19 AU - 10.73 AU

Year: 11539 Days

Day: 11.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 55,885,774 km

• M1: 176,974 km (0.108 R)
• M2: 275,709 km (0.073 R)
• M3: 357,240 km (0.111 R)
• M4: 467,045 km (0.114 R)
• M5: 559,496 km (0.063 R)
• M6: 730,636 km (0.086 R)
• M7: 941,270 km (0.061 R)
• M8: 1,107,772 km (0.108 R)
• M9: 1,447,509 km (0.11 R)
• M10: 2,223,623 km (0.113 R)
• M11: 2,625,592 km (0.082 R)
• M12: 3,113,132 km (0.076 R)
• M13: 3,207,827 km (0.115 R)
• M14: 3,497,748 km (0.083 R)
• M15: 3,629,394 km (0.083 R)
• M16: 3,830,005 km (0.118 R)
• M17: 6,430,016 km (0.084 R)
• M18: 6,551,489 km (0.071 R)
• M19: 6,920,397 km (0.037 R)
• M20: 7,086,451 km (0.044 R)
• M21: 7,850,747 km (0.104 R)
• M22: 8,111,197 km (0.077 R)
• M23: 8,330,657 km (0.112 R)
• M24: 9,319,050 km (0.059 R)
• M25: 10,108,328 km (0.026 R)
• M26: 10,202,575 km (0.112 R)
• M27: 10,487,110 km (0.092 R)
• M28: 10,918,999 km (0.086 R)
• M29: 11,210,116 km (0.053 R)
• M30: 11,998,946 km (0.064 R)
• M31: 12,551,860 km (0.075 R)
• M32: 13,061,540 km (0.096 R)
• M33: 13,839,000 km (0.1 R)
• M34: 14,259,819 km (0.115 R)
• M35: 14,898,901 km (0.088 R)
• M36: 15,547,408 km (0.041 R)
• M37: 15,929,929 km (0.086 R)
• M38: 16,149,988 km (0.113 R)
• M39: 16,260,241 km (0.053 R)
• M40: 17,604,378 km (0.097 R)
• M41: 18,693,750 km (0.096 R)
• M42: 18,809,688 km (0.091 R)
• M43: 19,275,835 km (0.075 R)
• M44: 19,686,930 km (0.09 R)
• M45: 20,041,477 km (0.119 R)
• M46: 20,338,579 km (0.111 R)
• M47: 21,178,421 km (0.063 R)
• M48: 21,785,190 km (0.1 R)
• M49: 22,152,004 km (0.118 R)
• M50: 22,582,547 km (0.099 R)
• M51: 24,585,812 km (0.119 R)
• M52: 25,223,398 km (0.094 R)
• M53: 25,480,108 km (0.101 R)
• M54: 27,432,061 km (0.11 R)
• M55: 28,559,430 km (0.1 R)
• M56: 29,905,063 km (0.094 R)
• M57: 30,040,748 km (0.082 R)
• M58: 31,340,156 km (0.101 R)
• M59: 31,685,128 km (0.087 R)
• M60: 32,239,837 km (0.079 R)
• M61: 32,588,101 km (0.046 R)
• M62: 32,867,699 km (0.088 R)
• M63: 33,358,680 km (0.064 R)
• M64: 34,490,387 km (0.065 R)
• M65: 36,139,106 km (0.092 R)
• M66: 36,428,428 km (0.047 R)
• M67: 37,228,029 km (0.079 R)
• M68: 38,696,930 km (0.066 R)
• M69: 38,844,733 km (0.101 R)
• M70: 38,992,835 km (0.073 R)
• M71: 39,661,687 km (0.118 R)
• M72: 40,559,423 km (0.101 R)
• M73: 41,994,366 km (0.115 R)
• M74: 44,448,669 km (0.118 R)
• M75: 44,603,652 km (0.054 R)
• M76: 45,147,291 km (0.098 R)
• M77: 45,771,413 km (0.036 R)
• M78: 47,186,011 km (0.098 R)
• M79: 47,581,398 km (0.081 R)
• M80: 48,455,349 km (0.054 R)
• M81: 48,774,441 km (0.1 R)
• M82: 50,622,872 km (0.035 R)
• M83: 51,189,998 km (0.117 R)
• M84: 52,576,022 km (0.119 R)
• M85: 54,057,041 km (0.074 R)
• M86: 54,305,224 km (0.114 R)
• M87: 54,719,760 km (0.116 R)
• M88: 54,968,840 km (0.112 R)
• M89: 55,468,347 km (0.114 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 183 - 16,882 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit