🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.55

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.03 AU - 1.21 AU

Year: 419 Days

Day: 43.2 Hours

Environment

Temp: 37 °C

Axial Tilt: 9.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 68,068,486 km

• M1: 904,020 km (0.115 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.86

Radius: 0.94

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.35 AU - 1.39 AU

Year: 566 Days

Day: 27.1 Hours

Environment

Temp: 5 °C

Axial Tilt: 27.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.64 AU - 1.72 AU

Year: 769 Days

Day: 15.7 Hours

Environment

Temp: -25 °C

Axial Tilt: 38.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,068,486 km

• M1: 523,892 km (0.107 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.78

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 3.44 AU - 3.98 AU

Year: 2523 Days

Day: 43.6 Hours

Environment

Temp: -104 °C

Axial Tilt: 15.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,068,486 km

• M1: 2,461,633 km (0.068 R)

Planet 5 - Terrestrial

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 4.34 AU - 5.86 AU

Year: 4067 Days

Day: 27 Hours

Environment

Temp: -133 °C

Axial Tilt: 21.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.5

Radius: 11.4

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 5.11 AU - 6.05 AU

Year: 4654 Days

Day: 13.8 Hours

Environment

Temp: -138 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (50)

Outer Limit: 68,068,486 km

• M1: 217,366 km (0.056 R)
• M2: 376,388 km (0.107 R)
• M3: 484,847 km (0.105 R)
• M4: 632,949 km (0.11 R)
• M5: 866,770 km (0.085 R)
• M6: 986,448 km (0.078 R)
• M7: 1,060,948 km (0.11 R)
• M8: 1,198,728 km (0.077 R)
• M9: 1,279,062 km (0.113 R)
• M10: 1,361,191 km (0.08 R)
• M11: 1,464,264 km (0.088 R)
• M12: 1,758,972 km (0.073 R)
• M13: 2,008,651 km (0.104 R)
• M14: 2,137,754 km (0.052 R)
• M15: 2,789,551 km (0.075 R)
• M16: 3,181,348 km (0.089 R)
• M17: 3,461,096 km (0.101 R)
• M18: 3,617,127 km (0.089 R)
• M19: 3,815,344 km (0.029 R)
• M20: 4,003,688 km (0.08 R)
• M21: 4,085,368 km (0.118 R)
• M22: 4,264,287 km (0.101 R)
• M23: 4,516,360 km (0.061 R)
• M24: 4,715,923 km (0.118 R)
• M25: 4,932,840 km (0.043 R)
• M26: 5,153,198 km (0.074 R)
• M27: 5,497,423 km (0.1 R)
• M28: 5,618,896 km (0.118 R)
• M29: 5,802,752 km (0.114 R)
• M30: 6,208,162 km (0.1 R)
• M31: 6,334,722 km (0.049 R)
• M32: 6,478,186 km (0.098 R)
• M33: 6,638,854 km (0.111 R)
• M34: 7,030,053 km (0.067 R)
• M35: 7,128,937 km (0.118 R)
• M36: 8,109,401 km (0.103 R)
• M37: 8,195,869 km (0.074 R)
• M38: 8,352,348 km (0.069 R)
• M39: 8,439,713 km (0.029 R)
• M40: 8,756,861 km (0.117 R)
• M41: 9,077,898 km (0.116 R)
• M42: 9,439,177 km (0.114 R)
• M43: 10,381,643 km (0.09 R)
• M44: 10,475,740 km (0.038 R)
• M45: 10,626,834 km (0.045 R)
• M46: 10,835,673 km (0.09 R)
• M47: 11,684,790 km (0.113 R)
• M48: 12,295,898 km (0.076 R)
• M49: 12,635,335 km (0.111 R)
• M50: 12,917,327 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 535.8

Radius: 7.5

Gravity: 9.53 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 14.31 AU - 14.33 AU

Year: 19134 Days

Day: 18 Hours

Environment

Temp: -192 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 68,068,486 km

• M1: 194,028 km (0.115 R)
• M2: 482,453 km (0.083 R)
• M3: 538,403 km (0.114 R)
• M4: 616,792 km (0.045 R)
• M5: 678,426 km (0.052 R)
• M6: 785,838 km (0.081 R)
• M7: 994,078 km (0.025 R)
• M8: 1,352,215 km (0.045 R)
• M9: 1,631,365 km (0.047 R)
• M10: 2,146,879 km (0.088 R)
• M11: 3,206,182 km (0.07 R)
• M12: 3,316,286 km (0.072 R)
• M13: 3,692,225 km (0.108 R)
• M14: 4,161,364 km (0.094 R)
• M15: 4,241,399 km (0.062 R)
• M16: 4,732,229 km (0.105 R)
• M17: 4,984,451 km (0.085 R)
• M18: 6,402,639 km (0.081 R)
• M19: 7,445,037 km (0.118 R)
• M20: 7,836,984 km (0.057 R)
• M21: 8,336,491 km (0.033 R)
• M22: 9,209,245 km (0.106 R)
• M23: 9,471,490 km (0.118 R)
• M24: 10,381,195 km (0.101 R)
• M25: 12,920,768 km (0.096 R)
• M26: 15,640,607 km (0.038 R)
• M27: 15,828,053 km (0.11 R)
• M28: 15,890,735 km (0.056 R)
• M29: 16,016,247 km (0.06 R)
• M30: 16,776,504 km (0.099 R)
• M31: 17,032,466 km (0.095 R)
• M32: 17,160,970 km (0.114 R)
• M33: 18,463,519 km (0.04 R)
• M34: 18,794,130 km (0.085 R)
• M35: 18,993,394 km (0.05 R)
• M36: 19,260,277 km (0.058 R)
• M37: 20,407,992 km (0.084 R)
• M38: 22,557,564 km (0.101 R)
• M39: 23,982,035 km (0.073 R)
• M40: 24,777,895 km (0.085 R)
• M41: 25,435,528 km (0.1 R)
• M42: 26,024,794 km (0.113 R)
• M43: 26,544,197 km (0.051 R)
• M44: 27,442,533 km (0.112 R)
• M45: 29,422,760 km (0.114 R)
• M46: 30,586,033 km (0.104 R)
• M47: 31,606,290 km (0.11 R)
• M48: 32,877,423 km (0.106 R)
• M49: 33,197,712 km (0.101 R)
• M50: 33,278,046 km (0.082 R)
• M51: 33,680,165 km (0.11 R)
• M52: 34,246,094 km (0.063 R)
• M53: 36,044,859 km (0.075 R)
• M54: 37,790,217 km (0.084 R)
• M55: 38,041,841 km (0.102 R)
• M56: 38,293,913 km (0.107 R)
• M57: 38,884,526 km (0.05 R)
• M58: 39,477,980 km (0.096 R)
• M59: 39,903,736 km (0.049 R)
• M60: 40,245,567 km (0.113 R)
• M61: 40,759,885 km (0.103 R)
• M62: 41,017,941 km (0.081 R)
• M63: 41,881,869 km (0.081 R)
• M64: 42,664,565 km (0.088 R)
• M65: 45,397,419 km (0.078 R)
• M66: 46,111,748 km (0.083 R)
• M67: 46,470,335 km (0.085 R)
• M68: 46,650,002 km (0.087 R)
• M69: 49,555,491 km (0.108 R)
• M70: 50,475,369 km (0.098 R)
• M71: 50,660,122 km (0.088 R)
• M72: 51,772,681 km (0.069 R)
• M73: 52,238,679 km (0.061 R)
• M74: 52,612,524 km (0.095 R)
• M75: 54,116,581 km (0.102 R)
• M76: 56,207,660 km (0.117 R)
• M77: 58,131,489 km (0.112 R)
• M78: 59,979,022 km (0.065 R)
• M79: 60,076,859 km (0.034 R)
• M80: 61,254,195 km (0.047 R)
• M81: 61,451,215 km (0.056 R)
• M82: 62,142,357 km (0.095 R)
• M83: 62,538,343 km (0.058 R)
• M84: 62,835,893 km (0.082 R)
• M85: 63,034,559 km (0.044 R)
• M86: 63,631,903 km (0.072 R)
• M87: 63,731,535 km (0.114 R)
• M88: 64,431,055 km (0.117 R)
• M89: 64,731,597 km (0.115 R)
• M90: 65,032,588 km (0.102 R)
• M91: 66,646,001 km (0.07 R)

Kuiper Belt

Range: 31.1 - 48.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 232 - 18,701 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit