🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.35

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.46 AU - 0.74 AU

Year: 166 Days

Day: 42 Hours

Environment

Temp: 162 °C

Axial Tilt: 17.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 33,729,925 km

• M1: 68,965 km (0.096 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.6

Radius: 1.47

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.66 AU - 0.86 AU

Year: 237 Days

Day: 41.7 Hours

Environment

Temp: 170 °C

Axial Tilt: 24.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 33,729,925 km

• M1: 38,895 km (0.094 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.83

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.72 AU - 1.16 AU

Year: 326 Days

Day: 15.6 Hours

Environment

Temp: 134 °C

Axial Tilt: 28.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 33,729,925 km

• M1: 625,469 km (0.044 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.77

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.96 AU - 1.08 AU

Year: 369 Days

Day: 20 Hours

Environment

Temp: 39 °C

Axial Tilt: 5.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.11

Radius: 1.04

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.3 AU - 1.54 AU

Year: 606 Days

Day: 35.5 Hours

Environment

Temp: 4 °C

Axial Tilt: 8.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 33,729,925 km

• M1: 247,584 km (0.118 R)
• M2: 791,373 km (0.116 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.87

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.33 AU - 1.69 AU

Year: 665 Days

Day: 31.5 Hours

Environment

Temp: -27 °C

Axial Tilt: 28.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.29

Radius: 0.61

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.46 AU - 2.06 AU

Year: 836 Days

Day: 29.5 Hours

Environment

Temp: -45 °C

Axial Tilt: 26.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 33,729,925 km

• M1: 679,174 km (0.091 R)

Planet 8 - Terrestrial

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 4.43 AU - 4.49 AU

Year: 3373 Days

Day: 43.7 Hours

Environment

Temp: -134 °C

Axial Tilt: 16.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 33,729,925 km

• M1: 3,615,631 km (0.086 R)

Asteroid Belt

Center: 5.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.8

Radius: 14.7

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 5.23 AU - 8.49 AU

Year: 6435 Days

Day: 10.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 33,729,925 km

• M1: 186,399 km (0.12 R)
• M2: 323,431 km (0.056 R)
• M3: 469,737 km (0.114 R)
• M4: 580,589 km (0.086 R)
• M5: 674,686 km (0.099 R)
• M6: 790,176 km (0.116 R)
• M7: 1,078,002 km (0.119 R)
• M8: 1,199,625 km (0.046 R)
• M9: 1,694,046 km (0.058 R)
• M10: 1,817,016 km (0.106 R)
• M11: 1,943,276 km (0.084 R)
• M12: 2,160,492 km (0.116 R)
• M13: 2,714,902 km (0.091 R)
• M14: 2,811,692 km (0.054 R)
• M15: 3,521,833 km (0.113 R)
• M16: 3,815,942 km (0.095 R)
• M17: 3,924,999 km (0.096 R)
• M18: 5,072,116 km (0.108 R)
• M19: 5,222,462 km (0.061 R)
• M20: 5,374,453 km (0.091 R)
• M21: 6,124,387 km (0.089 R)
• M22: 6,252,593 km (0.052 R)
• M23: 6,511,846 km (0.071 R)
• M24: 7,074,334 km (0.106 R)
• M25: 7,481,090 km (0.092 R)
• M26: 8,495,364 km (0.095 R)
• M27: 8,818,944 km (0.084 R)
• M28: 9,000,406 km (0.039 R)
• M29: 9,515,472 km (0.11 R)
• M30: 9,964,565 km (0.115 R)
• M31: 10,344,244 km (0.089 R)
• M32: 12,070,454 km (0.08 R)
• M33: 12,272,411 km (0.078 R)
• M34: 12,556,796 km (0.111 R)
• M35: 12,843,426 km (0.077 R)
• M36: 15,388,235 km (0.12 R)
• M37: 15,607,247 km (0.092 R)
• M38: 16,048,261 km (0.105 R)
• M39: 16,270,414 km (0.055 R)
• M40: 16,538,344 km (0.12 R)
• M41: 16,717,712 km (0.101 R)
• M42: 17,441,765 km (0.105 R)
• M43: 17,670,201 km (0.1 R)
• M44: 17,761,755 km (0.029 R)
• M45: 18,222,367 km (0.053 R)
• M46: 18,593,669 km (0.094 R)
• M47: 18,873,866 km (0.07 R)
• M48: 19,627,689 km (0.101 R)
• M49: 19,817,679 km (0.041 R)
• M50: 21,213,576 km (0.079 R)
• M51: 21,408,652 km (0.083 R)
• M52: 21,653,245 km (0.047 R)
• M53: 21,849,667 km (0.078 R)
• M54: 22,890,269 km (0.11 R)
• M55: 22,990,201 km (0.111 R)
• M56: 23,240,777 km (0.096 R)
• M57: 23,341,307 km (0.05 R)
• M58: 23,542,666 km (0.069 R)
• M59: 23,795,187 km (0.107 R)
• M60: 23,997,892 km (0.102 R)
• M61: 24,353,935 km (0.065 R)
• M62: 24,660,611 km (0.08 R)
• M63: 24,763,085 km (0.061 R)
• M64: 25,432,685 km (0.091 R)
• M65: 25,588,117 km (0.114 R)
• M66: 26,422,126 km (0.099 R)
• M67: 26,632,011 km (0.084 R)
• M68: 26,789,837 km (0.091 R)
• M69: 27,000,770 km (0.08 R)
• M70: 27,530,347 km (0.082 R)
• M71: 27,689,967 km (0.07 R)
• M72: 28,923,552 km (0.115 R)
• M73: 29,085,716 km (0.084 R)
• M74: 29,574,153 km (0.041 R)
• M75: 30,724,560 km (0.1 R)
• M76: 31,945,429 km (0.119 R)
• M77: 33,522,190 km (0.107 R)
• M78: 35,528,447 km (0.057 R)
• M79: 36,225,274 km (0.118 R)
• M80: 36,985,381 km (0.049 R)
• M81: 37,455,567 km (0.036 R)
• M82: 38,105,570 km (0.119 R)
• M83: 38,878,392 km (0.053 R)
• M84: 40,379,308 km (0.065 R)

Planet 10 - Gas Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.1

Radius: 8.9

Gravity: 7.06 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 6.26 AU - 7.6 AU

Year: 6534 Days

Day: 12.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 33,729,925 km

• M1: 475,272 km (0.091 R)
• M2: 580,290 km (0.119 R)
• M3: 773,720 km (0.096 R)
• M4: 929,152 km (0.033 R)
• M5: 1,033,572 km (0.054 R)
• M6: 1,205,908 km (0.08 R)
• M7: 1,270,984 km (0.115 R)
• M8: 1,578,706 km (0.116 R)
• M9: 1,852,919 km (0.051 R)
• M10: 2,302,760 km (0.083 R)
• M11: 2,405,085 km (0.101 R)
• M12: 2,529,850 km (0.113 R)
• M13: 2,895,018 km (0.067 R)
• M14: 3,095,180 km (0.1 R)
• M15: 3,674,872 km (0.045 R)
• M16: 3,746,679 km (0.08 R)
• M17: 4,162,710 km (0.062 R)
• M18: 4,313,056 km (0.094 R)
• M19: 4,593,403 km (0.062 R)
• M20: 4,853,553 km (0.11 R)
• M21: 4,959,020 km (0.081 R)
• M22: 5,579,701 km (0.118 R)
• M23: 6,082,649 km (0.101 R)
• M24: 6,253,490 km (0.115 R)
• M25: 6,629,280 km (0.079 R)
• M26: 6,775,736 km (0.069 R)
• M27: 6,982,630 km (0.098 R)
• M28: 7,312,045 km (0.114 R)
• M29: 7,402,701 km (0.062 R)
• M30: 7,463,438 km (0.109 R)
• M31: 7,646,396 km (0.061 R)
• M32: 7,738,548 km (0.11 R)
• M33: 7,800,183 km (0.098 R)
• M34: 7,985,983 km (0.081 R)
• M35: 8,110,598 km (0.056 R)
• M36: 8,204,546 km (0.063 R)
• M37: 8,936,678 km (0.05 R)
• M38: 9,066,080 km (0.086 R)
• M39: 10,874,269 km (0.119 R)
• M40: 11,325,905 km (0.06 R)
• M41: 11,430,923 km (0.113 R)
• M42: 11,501,234 km (0.088 R)
• M43: 12,319,235 km (0.082 R)
• M44: 12,391,341 km (0.114 R)
• M45: 13,637,043 km (0.05 R)
• M46: 13,898,540 km (0.091 R)
• M47: 14,654,607 km (0.09 R)
• M48: 14,807,496 km (0.112 R)
• M49: 15,540,526 km (0.111 R)
• M50: 17,162,616 km (0.119 R)
• M51: 17,364,124 km (0.089 R)
• M52: 17,566,380 km (0.103 R)
• M53: 17,850,916 km (0.047 R)
• M54: 17,932,446 km (0.039 R)
• M55: 18,177,787 km (0.112 R)
• M56: 18,259,916 km (0.079 R)
• M57: 18,506,902 km (0.065 R)
• M58: 18,837,813 km (0.08 R)
• M59: 19,170,668 km (0.095 R)
• M60: 19,505,618 km (0.12 R)
• M61: 19,589,542 km (0.104 R)
• M62: 20,351,294 km (0.105 R)
• M63: 20,521,836 km (0.078 R)
• M64: 20,650,041 km (0.1 R)
• M65: 21,816,157 km (0.085 R)
• M66: 22,078,103 km (0.051 R)
• M67: 22,297,263 km (0.112 R)
• M68: 22,517,172 km (0.119 R)
• M69: 23,896,465 km (0.11 R)
• M70: 24,166,638 km (0.09 R)
• M71: 24,347,353 km (0.097 R)
• M72: 24,664,500 km (0.118 R)
• M73: 24,891,889 km (0.069 R)
• M74: 25,532,467 km (0.108 R)
• M75: 25,624,320 km (0.06 R)
• M76: 25,854,701 km (0.099 R)
• M77: 26,085,680 km (0.065 R)
• M78: 26,456,832 km (0.103 R)
• M79: 26,782,956 km (0.099 R)
• M80: 28,195,608 km (0.049 R)
• M81: 28,624,206 km (0.075 R)
• M82: 30,213,833 km (0.073 R)
• M83: 31,683,632 km (0.08 R)
• M84: 33,729,982 km (0.097 R)

Kuiper Belt

Range: 30.6 - 45.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 381 - 17,225 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit