🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.07

Radius: 1.03

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.93 AU - 1.01 AU

Year: 356 Days

Day: 34.3 Hours

Environment

Temp: 21 °C

Axial Tilt: 27.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.95

Radius: 0.98

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.14 AU - 1.24 AU

Year: 484 Days

Day: 21.9 Hours

Environment

Temp: -14 °C

Axial Tilt: 33.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 41,947,426 km

• M1: 259,253 km (0.098 R)
• M2: 319,242 km (0.037 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.57

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.17 AU - 1.91 AU

Year: 712 Days

Day: 41.8 Hours

Environment

Temp: -40 °C

Axial Tilt: 0.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.88 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.5

Radius: 8.4

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 5.05 AU - 7.39 AU

Year: 5783 Days

Day: 14.3 Hours

Environment

Temp: -147 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (67)

Outer Limit: 41,947,426 km

• M1: 108,758 km (0.102 R)
• M2: 171,738 km (0.115 R)
• M3: 261,647 km (0.111 R)
• M4: 348,413 km (0.054 R)
• M5: 406,308 km (0.109 R)
• M6: 634,744 km (0.048 R)
• M7: 692,040 km (0.066 R)
• M8: 812,167 km (0.1 R)
• M9: 902,524 km (0.075 R)
• M10: 1,054,216 km (0.08 R)
• M11: 1,123,330 km (0.109 R)
• M12: 1,183,918 km (0.116 R)
• M13: 1,404,724 km (0.028 R)
• M14: 1,885,382 km (0.051 R)
• M15: 1,970,204 km (0.054 R)
• M16: 2,044,105 km (0.082 R)
• M17: 2,143,887 km (0.041 R)
• M18: 2,722,232 km (0.076 R)
• M19: 3,405,745 km (0.05 R)
• M20: 3,705,689 km (0.06 R)
• M21: 4,639,778 km (0.12 R)
• M22: 5,158,583 km (0.055 R)
• M23: 5,433,694 km (0.106 R)
• M24: 6,378,554 km (0.089 R)
• M25: 6,433,606 km (0.093 R)
• M26: 6,618,210 km (0.114 R)
• M27: 7,049,201 km (0.065 R)
• M28: 7,144,046 km (0.106 R)
• M29: 7,258,638 km (0.06 R)
• M30: 7,392,828 km (0.086 R)
• M31: 7,470,020 km (0.108 R)
• M32: 7,625,003 km (0.104 R)
• M33: 7,899,067 km (0.115 R)
• M34: 8,235,961 km (0.1 R)
• M35: 8,416,376 km (0.078 R)
• M36: 8,517,056 km (0.115 R)
• M37: 8,679,070 km (0.111 R)
• M38: 9,546,588 km (0.076 R)
• M39: 9,841,745 km (0.039 R)
• M40: 10,140,043 km (0.08 R)
• M41: 10,376,557 km (0.118 R)
• M42: 10,484,567 km (0.096 R)
• M43: 11,141,002 km (0.058 R)
• M44: 11,273,845 km (0.088 R)
• M45: 11,630,786 km (0.089 R)
• M46: 11,765,573 km (0.108 R)
• M47: 12,082,272 km (0.084 R)
• M48: 12,150,489 km (0.105 R)
• M49: 12,424,552 km (0.104 R)
• M50: 12,493,367 km (0.116 R)
• M51: 12,955,624 km (0.095 R)
• M52: 13,072,012 km (0.063 R)
• M53: 13,259,158 km (0.042 R)
• M54: 13,494,177 km (0.095 R)
• M55: 13,730,541 km (0.094 R)
• M56: 14,207,459 km (0.088 R)
• M57: 14,448,013 km (0.103 R)
• M58: 15,153,217 km (0.062 R)
• M59: 15,399,006 km (0.093 R)
• M60: 15,621,309 km (0.095 R)
• M61: 15,844,658 km (0.069 R)
• M62: 15,919,308 km (0.105 R)
• M63: 16,194,269 km (0.084 R)
• M64: 16,269,516 km (0.095 R)
• M65: 16,395,179 km (0.117 R)
• M66: 16,774,110 km (0.108 R)
• M67: 17,079,290 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.4

Radius: 9.3

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 8.24 AU - 10.38 AU

Year: 10590 Days

Day: 10.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 41,947,426 km

• M1: 145,559 km (0.1 R)
• M2: 216,618 km (0.092 R)
• M3: 488,587 km (0.103 R)
• M4: 761,453 km (0.1 R)
• M5: 841,189 km (0.097 R)
• M6: 940,671 km (0.093 R)
• M7: 1,097,899 km (0.081 R)
• M8: 1,263,952 km (0.066 R)
• M9: 1,359,994 km (0.099 R)
• M10: 1,559,259 km (0.108 R)
• M11: 1,768,396 km (0.106 R)
• M12: 1,854,565 km (0.112 R)
• M13: 2,283,462 km (0.09 R)
• M14: 2,354,072 km (0.114 R)
• M15: 2,643,694 km (0.107 R)
• M16: 3,021,877 km (0.088 R)
• M17: 3,204,386 km (0.108 R)
• M18: 3,363,708 km (0.114 R)
• M19: 4,373,494 km (0.114 R)
• M20: 4,639,928 km (0.071 R)
• M21: 4,760,055 km (0.11 R)
• M22: 4,881,079 km (0.11 R)
• M23: 5,188,503 km (0.105 R)
• M24: 5,282,002 km (0.087 R)
• M25: 5,565,789 km (0.042 R)
• M26: 6,280,418 km (0.097 R)
• M27: 7,335,831 km (0.106 R)
• M28: 7,440,848 km (0.09 R)
• M29: 8,009,769 km (0.102 R)
• M30: 8,190,334 km (0.078 R)
• M31: 8,372,394 km (0.067 R)
• M32: 9,151,351 km (0.051 R)
• M33: 9,606,876 km (0.057 R)
• M34: 9,992,091 km (0.09 R)
• M35: 10,225,762 km (0.079 R)
• M36: 10,977,342 km (0.073 R)
• M37: 11,299,127 km (0.113 R)
• M38: 12,743,345 km (0.087 R)
• M39: 14,420,038 km (0.084 R)
• M40: 15,396,164 km (0.061 R)
• M41: 15,666,039 km (0.104 R)
• M42: 16,164,948 km (0.089 R)
• M43: 18,164,921 km (0.069 R)
• M44: 18,307,339 km (0.059 R)
• M45: 18,880,897 km (0.057 R)
• M46: 19,314,731 km (0.057 R)
• M47: 19,654,617 km (0.104 R)
• M48: 19,947,380 km (0.095 R)
• M49: 20,192,571 km (0.108 R)
• M50: 20,983,794 km (0.045 R)
• M51: 21,885,869 km (0.099 R)
• M52: 24,300,678 km (0.054 R)
• M53: 25,141,717 km (0.097 R)
• M54: 25,353,548 km (0.087 R)
• M55: 25,459,762 km (0.088 R)
• M56: 26,421,378 km (0.092 R)
• M57: 28,105,401 km (0.039 R)
• M58: 28,545,518 km (0.059 R)
• M59: 29,265,682 km (0.109 R)
• M60: 30,385,422 km (0.092 R)
• M61: 31,348,084 km (0.083 R)
• M62: 32,435,810 km (0.118 R)
• M63: 34,354,403 km (0.108 R)
• M64: 35,179,435 km (0.096 R)
• M65: 36,011,050 km (0.099 R)
• M66: 36,130,279 km (0.105 R)
• M67: 36,309,498 km (0.081 R)
• M68: 37,210,077 km (0.083 R)
• M69: 37,270,365 km (0.105 R)
• M70: 37,451,528 km (0.109 R)
• M71: 38,239,609 km (0.112 R)
• M72: 38,422,268 km (0.109 R)
• M73: 38,605,227 km (0.09 R)
• M74: 39,524,356 km (0.113 R)
• M75: 40,388,583 km (0.113 R)
• M76: 41,446,389 km (0.109 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 349 - 15,283 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit