🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.41

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.52 AU - 0.54 AU

Year: 142 Days

Day: 20 Hours

Environment

Temp: 169 °C

Axial Tilt: 26.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.28

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.58 AU - 0.9 AU

Year: 235 Days

Day: 44 Hours

Environment

Temp: 162 °C

Axial Tilt: 22.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.7

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.89 AU - 1.45 AU

Year: 467 Days

Day: 43.2 Hours

Environment

Temp: -4 °C

Axial Tilt: 33 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 47,967,305 km

• M1: 563,535 km (0.073 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.45

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.9 AU - 2.76 AU

Year: 1312 Days

Day: 47.9 Hours

Environment

Temp: -77 °C

Axial Tilt: 20.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 47,967,305 km

• M1: 290,968 km (0.09 R)
• M2: 1,799,363 km (0.115 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.58

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 2.85 AU - 2.93 AU

Year: 1813 Days

Day: 22.8 Hours

Environment

Temp: -109 °C

Axial Tilt: 15.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 47,967,305 km

• M1: 1,108,221 km (0.116 R)

Asteroid Belt

Center: 5.31 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.3

Radius: 8

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 7.16 AU - 8.28 AU

Year: 7914 Days

Day: 12.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 47,967,305 km

• M1: 113,694 km (0.114 R)
• M2: 173,384 km (0.088 R)
• M3: 272,418 km (0.12 R)
• M4: 492,925 km (0.051 R)
• M5: 559,197 km (0.089 R)
• M6: 659,727 km (0.084 R)
• M7: 744,698 km (0.083 R)
• M8: 986,149 km (0.11 R)
• M9: 1,568,234 km (0.049 R)
• M10: 1,625,830 km (0.119 R)
• M11: 1,684,173 km (0.101 R)
• M12: 1,802,954 km (0.027 R)
• M13: 1,863,391 km (0.118 R)
• M14: 1,986,510 km (0.056 R)
• M15: 2,273,140 km (0.12 R)
• M16: 2,355,269 km (0.107 R)
• M17: 2,693,210 km (0.082 R)
• M18: 3,082,763 km (0.083 R)
• M19: 3,247,321 km (0.074 R)
• M20: 3,302,822 km (0.043 R)
• M21: 3,934,125 km (0.097 R)
• M22: 4,112,745 km (0.111 R)
• M23: 4,193,079 km (0.087 R)
• M24: 4,273,862 km (0.061 R)
• M25: 4,519,352 km (0.085 R)
• M26: 4,832,759 km (0.086 R)
• M27: 5,414,545 km (0.084 R)
• M28: 5,569,080 km (0.1 R)
• M29: 5,635,801 km (0.104 R)
• M30: 5,702,671 km (0.084 R)
• M31: 5,950,405 km (0.034 R)
• M32: 6,041,360 km (0.108 R)
• M33: 6,109,876 km (0.111 R)
• M34: 6,293,732 km (0.112 R)
• M35: 6,667,278 km (0.119 R)
• M36: 7,144,196 km (0.105 R)
• M37: 7,930,183 km (0.066 R)
• M38: 7,980,149 km (0.104 R)
• M39: 8,105,811 km (0.117 R)
• M40: 8,435,226 km (0.115 R)
• M41: 9,238,716 km (0.039 R)
• M42: 9,716,382 km (0.078 R)
• M43: 10,120,595 km (0.069 R)
• M44: 10,202,126 km (0.045 R)
• M45: 10,695,799 km (0.057 R)
• M46: 11,225,375 km (0.106 R)
• M47: 11,281,624 km (0.044 R)
• M48: 11,677,909 km (0.082 R)
• M49: 11,992,513 km (0.063 R)
• M50: 12,049,959 km (0.101 R)
• M51: 12,223,044 km (0.115 R)
• M52: 13,071,114 km (0.1 R)
• M53: 13,219,216 km (0.111 R)
• M54: 13,517,065 km (0.105 R)
• M55: 13,847,377 km (0.115 R)
• M56: 13,938,034 km (0.085 R)
• M57: 14,119,645 km (0.075 R)
• M58: 15,070,789 km (0.109 R)
• M59: 15,444,634 km (0.103 R)
• M60: 16,616,135 km (0.062 R)
• M61: 16,776,653 km (0.091 R)
• M62: 16,840,980 km (0.105 R)
• M63: 16,937,770 km (0.118 R)
• M64: 17,261,350 km (0.077 R)
• M65: 17,783,297 km (0.083 R)
• M66: 18,376,752 km (0.098 R)
• M67: 18,609,377 km (0.059 R)
• M68: 19,380,255 km (0.05 R)
• M69: 19,684,836 km (0.114 R)
• M70: 19,752,604 km (0.078 R)
• M71: 19,956,805 km (0.09 R)
• M72: 20,367,152 km (0.079 R)
• M73: 20,607,855 km (0.099 R)
• M74: 20,676,819 km (0.099 R)
• M75: 21,091,953 km (0.025 R)
• M76: 21,265,786 km (0.042 R)
• M77: 21,475,074 km (0.105 R)
• M78: 21,684,959 km (0.068 R)
• M79: 21,860,438 km (0.039 R)
• M80: 22,389,565 km (0.062 R)
• M81: 22,780,315 km (0.1 R)
• M82: 22,958,636 km (0.081 R)
• M83: 23,030,143 km (0.069 R)
• M84: 23,568,546 km (0.083 R)
• M85: 24,038,433 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 72.6

Radius: 7

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 18.62 AU - 19.54 AU

Year: 30750 Days

Day: 16.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (59)

Outer Limit: 47,967,305 km

• M1: 88,562 km (0.077 R)
• M2: 184,005 km (0.118 R)
• M3: 361,129 km (0.075 R)
• M4: 427,850 km (0.081 R)
• M5: 880,533 km (0.086 R)
• M6: 1,444,966 km (0.053 R)
• M7: 1,489,097 km (0.106 R)
• M8: 1,881,792 km (0.082 R)
• M9: 2,279,722 km (0.108 R)
• M10: 2,622,151 km (0.109 R)
• M11: 3,384,053 km (0.118 R)
• M12: 3,562,224 km (0.11 R)
• M13: 3,835,390 km (0.115 R)
• M14: 4,466,244 km (0.08 R)
• M15: 7,758,744 km (0.078 R)
• M16: 8,231,473 km (0.068 R)
• M17: 9,789,535 km (0.074 R)
• M18: 10,732,301 km (0.111 R)
• M19: 10,906,732 km (0.072 R)
• M20: 11,436,009 km (0.111 R)
• M21: 11,480,440 km (0.11 R)
• M22: 12,519,247 km (0.074 R)
• M23: 12,887,557 km (0.108 R)
• M24: 12,933,933 km (0.093 R)
• M25: 13,119,584 km (0.085 R)
• M26: 14,109,174 km (0.087 R)
• M27: 16,159,263 km (0.103 R)
• M28: 16,359,425 km (0.063 R)
• M29: 16,459,805 km (0.118 R)
• M30: 17,423,215 km (0.113 R)
• M31: 18,561,505 km (0.106 R)
• M32: 18,718,583 km (0.059 R)
• M33: 19,670,325 km (0.072 R)
• M34: 21,730,587 km (0.094 R)
• M35: 22,730,349 km (0.096 R)
• M36: 23,688,224 km (0.057 R)
• M37: 24,143,600 km (0.028 R)
• M38: 25,120,624 km (0.081 R)
• M39: 26,522,057 km (0.077 R)
• M40: 26,876,305 km (0.118 R)
• M41: 29,217,212 km (0.103 R)
• M42: 29,889,206 km (0.09 R)
• M43: 31,935,555 km (0.115 R)
• M44: 32,880,565 km (0.107 R)
• M45: 33,007,274 km (0.094 R)
• M46: 34,154,839 km (0.116 R)
• M47: 36,161,695 km (0.082 R)
• M48: 36,489,015 km (0.108 R)
• M49: 37,014,552 km (0.092 R)
• M50: 37,476,660 km (0.113 R)
• M51: 38,273,119 km (0.12 R)
• M52: 39,410,811 km (0.061 R)
• M53: 41,377,425 km (0.073 R)
• M54: 42,062,882 km (0.031 R)
• M55: 45,758,249 km (0.104 R)
• M56: 46,183,107 km (0.032 R)
• M57: 46,751,579 km (0.087 R)
• M58: 47,393,952 km (0.091 R)
• M59: 47,823,747 km (0.088 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: 156 - 10,548 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit