🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.43

Radius: 0.71

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.57 AU - 0.59 AU

Year: 157 Days

Day: 38.6 Hours

Environment

Temp: 251 °C

Axial Tilt: 29 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.64

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.69 AU - 0.89 AU

Year: 250 Days

Day: 41.7 Hours

Environment

Temp: 187 °C

Axial Tilt: 4.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.67

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.19 AU - 1.23 AU

Year: 474 Days

Day: 35.8 Hours

Environment

Temp: 10 °C

Axial Tilt: 8.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.4

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.95 AU - 2.09 AU

Year: 1023 Days

Day: 31.4 Hours

Environment

Temp: -64 °C

Axial Tilt: 47.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 7.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.1

Radius: 8.1

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 7.02 AU - 8.7 AU

Year: 7855 Days

Day: 10.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 16,920,562 km

• M1: 118,482 km (0.063 R)
• M2: 257,608 km (0.034 R)
• M3: 683,961 km (0.11 R)
• M4: 822,489 km (0.105 R)
• M5: 1,113,158 km (0.046 R)
• M6: 1,308,832 km (0.035 R)
• M7: 1,499,419 km (0.073 R)
• M8: 2,032,736 km (0.099 R)
• M9: 2,105,590 km (0.11 R)
• M10: 2,235,291 km (0.117 R)
• M11: 2,348,687 km (0.102 R)
• M12: 2,522,220 km (0.092 R)
• M13: 2,581,012 km (0.059 R)
• M14: 2,720,138 km (0.073 R)
• M15: 2,780,426 km (0.102 R)
• M16: 2,943,637 km (0.097 R)
• M17: 3,194,513 km (0.079 R)
• M18: 3,583,617 km (0.115 R)
• M19: 3,716,759 km (0.071 R)
• M20: 4,265,334 km (0.093 R)
• M21: 4,382,918 km (0.063 R)
• M22: 4,693,633 km (0.087 R)
• M23: 4,962,012 km (0.076 R)
• M24: 5,437,583 km (0.053 R)
• M25: 5,693,695 km (0.063 R)
• M26: 6,270,993 km (0.118 R)
• M27: 6,648,279 km (0.089 R)
• M28: 6,894,517 km (0.108 R)
• M29: 7,088,246 km (0.085 R)
• M30: 7,171,872 km (0.082 R)
• M31: 7,909,838 km (0.107 R)
• M32: 7,996,605 km (0.061 R)
• M33: 8,317,193 km (0.086 R)
• M34: 8,553,109 km (0.091 R)
• M35: 9,243,503 km (0.086 R)
• M36: 9,580,098 km (0.09 R)
• M37: 9,641,732 km (0.112 R)
• M38: 10,359,802 km (0.039 R)
• M39: 11,420,002 km (0.032 R)
• M40: 11,649,336 km (0.062 R)
• M41: 12,413,631 km (0.118 R)
• M42: 13,091,310 km (0.034 R)
• M43: 13,228,192 km (0.118 R)
• M44: 14,060,105 km (0.119 R)
• M45: 14,624,089 km (0.12 R)
• M46: 15,123,597 km (0.105 R)
• M47: 15,447,775 km (0.05 R)
• M48: 16,544,477 km (0.066 R)
• M49: 16,655,629 km (0.036 R)
• M50: 16,953,029 km (0.099 R)
• M51: 17,439,970 km (0.101 R)
• M52: 17,553,066 km (0.051 R)
• M53: 17,931,549 km (0.073 R)
• M54: 18,658,295 km (0.064 R)
• M55: 18,851,127 km (0.11 R)
• M56: 19,629,036 km (0.108 R)
• M57: 19,785,964 km (0.049 R)
• M58: 20,100,867 km (0.064 R)
• M59: 20,576,439 km (0.098 R)
• M60: 20,855,589 km (0.109 R)
• M61: 21,055,751 km (0.113 R)
• M62: 22,147,516 km (0.085 R)
• M63: 22,597,506 km (0.108 R)
• M64: 22,844,343 km (0.063 R)
• M65: 24,133,428 km (0.114 R)
• M66: 24,977,608 km (0.054 R)
• M67: 25,488,784 km (0.084 R)
• M68: 25,617,139 km (0.069 R)
• M69: 25,960,466 km (0.11 R)
• M70: 26,564,842 km (0.082 R)
• M71: 26,825,292 km (0.069 R)
• M72: 27,304,903 km (0.097 R)
• M73: 27,787,505 km (0.084 R)
• M74: 28,361,363 km (0.098 R)
• M75: 28,449,925 km (0.117 R)
• M76: 28,849,949 km (0.104 R)
• M77: 29,296,649 km (0.115 R)
• M78: 29,565,775 km (0.05 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 42.7

Radius: 8

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 7.65 AU - 8.79 AU

Year: 8400 Days

Day: 11.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (60)

Outer Limit: 16,920,562 km

• M1: 103,671 km (0.075 R)
• M2: 276,457 km (0.097 R)
• M3: 340,485 km (0.055 R)
• M4: 445,054 km (0.115 R)
• M5: 631,453 km (0.113 R)
• M6: 696,528 km (0.097 R)
• M7: 1,165,966 km (0.061 R)
• M8: 1,309,879 km (0.06 R)
• M9: 1,570,329 km (0.095 R)
• M10: 1,776,475 km (0.049 R)
• M11: 1,882,839 km (0.11 R)
• M12: 1,979,180 km (0.056 R)
• M13: 2,164,382 km (0.117 R)
• M14: 2,685,731 km (0.106 R)
• M15: 3,187,332 km (0.07 R)
• M16: 3,493,260 km (0.115 R)
• M17: 3,824,021 km (0.118 R)
• M18: 4,055,299 km (0.114 R)
• M19: 4,227,935 km (0.113 R)
• M20: 4,323,079 km (0.085 R)
• M21: 4,483,149 km (0.055 R)
• M22: 4,694,381 km (0.07 R)
• M23: 5,109,665 km (0.108 R)
• M24: 5,313,268 km (0.082 R)
• M25: 5,416,041 km (0.098 R)
• M26: 5,851,521 km (0.057 R)
• M27: 5,975,388 km (0.099 R)
• M28: 6,644,988 km (0.052 R)
• M29: 7,243,230 km (0.089 R)
• M30: 7,300,226 km (0.078 R)
• M31: 7,414,669 km (0.12 R)
• M32: 7,548,858 km (0.108 R)
• M33: 7,664,497 km (0.105 R)
• M34: 7,897,720 km (0.048 R)
• M35: 8,015,155 km (0.08 R)
• M36: 8,251,819 km (0.045 R)
• M37: 8,812,960 km (0.116 R)
• M38: 8,873,846 km (0.115 R)
• M39: 9,365,874 km (0.098 R)
• M40: 10,612,623 km (0.092 R)
• M41: 10,807,249 km (0.12 R)
• M42: 11,398,610 km (0.109 R)
• M43: 11,664,894 km (0.109 R)
• M44: 11,731,764 km (0.117 R)
• M45: 11,843,514 km (0.112 R)
• M46: 12,407,498 km (0.113 R)
• M47: 12,864,968 km (0.051 R)
• M48: 13,118,985 km (0.084 R)
• M49: 13,585,132 km (0.117 R)
• M50: 13,725,904 km (0.093 R)
• M51: 14,318,162 km (0.091 R)
• M52: 14,581,454 km (0.112 R)
• M53: 15,015,587 km (0.04 R)
• M54: 15,650,331 km (0.073 R)
• M55: 16,045,269 km (0.113 R)
• M56: 16,318,585 km (0.094 R)
• M57: 16,443,499 km (0.117 R)
• M58: 16,643,810 km (0.072 R)
• M59: 16,744,190 km (0.118 R)
• M60: 16,844,870 km (0.089 R)

Kuiper Belt

Range: 30.8 - 51.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 155 - 17,630 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit