🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.97

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.14 AU - 1.28 AU

Year: 486 Days

Day: 19.4 Hours

Environment

Temp: 3 °C

Axial Tilt: 2.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.58

Radius: 1.67

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 2.34 AU - 3.6 AU

Year: 1869 Days

Day: 33.5 Hours

Environment

Temp: -103 °C

Axial Tilt: 31 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Ice Giant

Semi-Major Axis: 19.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 478.3

Radius: 4.9

Gravity: 19.92 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 17.99 AU - 20.41 AU

Year: 30729 Days

Day: 23.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 115,897,810 km

• M1: 61,186 km (0.101 R)
• M2: 220,058 km (0.108 R)
• M3: 442,810 km (0.103 R)
• M4: 667,356 km (0.106 R)
• M5: 869,164 km (0.095 R)
• M6: 1,070,522 km (0.04 R)
• M7: 1,550,283 km (0.12 R)
• M8: 1,888,374 km (0.025 R)
• M9: 2,053,829 km (0.063 R)
• M10: 3,031,750 km (0.073 R)
• M11: 3,318,230 km (0.116 R)
• M12: 3,498,645 km (0.091 R)
• M13: 3,685,493 km (0.119 R)
• M14: 3,911,984 km (0.088 R)
• M15: 4,912,046 km (0.11 R)
• M16: 5,307,433 km (0.049 R)
• M17: 6,620,903 km (0.117 R)
• M18: 8,300,438 km (0.109 R)
• M19: 9,505,748 km (0.108 R)
• M20: 9,747,947 km (0.118 R)
• M21: 10,371,471 km (0.083 R)
• M22: 11,221,187 km (0.07 R)
• M23: 13,584,983 km (0.074 R)
• M24: 13,892,257 km (0.088 R)
• M25: 15,666,338 km (0.107 R)
• M26: 16,694,823 km (0.043 R)
• M27: 19,559,024 km (0.091 R)
• M28: 21,675,235 km (0.111 R)
• M29: 24,500,541 km (0.099 R)
• M30: 25,533,065 km (0.056 R)
• M31: 25,883,723 km (0.116 R)
• M32: 29,953,982 km (0.12 R)
• M33: 33,307,218 km (0.063 R)
• M34: 38,870,164 km (0.092 R)
• M35: 39,645,381 km (0.098 R)
• M36: 43,842,798 km (0.108 R)
• M37: 46,741,705 km (0.091 R)
• M38: 55,416,138 km (0.118 R)
• M39: 57,390,680 km (0.108 R)
• M40: 60,854,020 km (0.059 R)

Planet 4 - Ice Giant

Semi-Major Axis: 19.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 937.9

Radius: 7.1

Gravity: 18.61 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 16.28 AU - 23.28 AU

Year: 32131 Days

Day: 17.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 115,897,810 km

• M1: 88,412 km (0.098 R)
• M2: 392,694 km (0.1 R)
• M3: 833,559 km (0.084 R)
• M4: 1,115,551 km (0.055 R)
• M5: 2,685,431 km (0.085 R)
• M6: 3,406,493 km (0.053 R)
• M7: 3,777,346 km (0.078 R)
• M8: 4,100,627 km (0.104 R)
• M9: 7,171,572 km (0.108 R)
• M10: 7,444,588 km (0.037 R)
• M11: 7,668,088 km (0.061 R)
• M12: 18,122,286 km (0.105 R)
• M13: 18,732,346 km (0.116 R)
• M14: 20,426,243 km (0.086 R)
• M15: 21,762,002 km (0.044 R)
• M16: 22,104,731 km (0.071 R)
• M17: 24,360,218 km (0.096 R)
• M18: 25,228,484 km (0.08 R)
• M19: 27,026,501 km (0.091 R)
• M20: 30,589,623 km (0.099 R)
• M21: 41,014,650 km (0.115 R)
• M22: 46,448,643 km (0.08 R)
• M23: 47,782,158 km (0.071 R)
• M24: 53,372,182 km (0.108 R)
• M25: 56,538,870 km (0.045 R)
• M26: 58,058,634 km (0.094 R)
• M27: 59,382,725 km (0.114 R)
• M28: 61,179,396 km (0.117 R)
• M29: 62,320,528 km (0.035 R)
• M30: 65,829,197 km (0.07 R)
• M31: 79,278,644 km (0.095 R)
• M32: 83,114,183 km (0.113 R)
• M33: 94,447,568 km (0.066 R)
• M34: 96,585,172 km (0.094 R)
• M35: 104,482,294 km (0.101 R)
• M36: 111,778,482 km (0.045 R)
• M37: 115,204,273 km (0.068 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 182 - 14,494 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit