🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.52 AU - 0.8 AU

Year: 346 Days

Day: 17.5 Hours

Environment

Temp: -127 °C

Axial Tilt: 40 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 22,389,880 km

• M1: 216,319 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.1

Radius: 13.4

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.72 AU - 0.84 AU

Year: 445 Days

Day: 6 Hours

Environment

Temp: -137 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 22,389,880 km

• M1: 173,384 km (0.113 R)
• M2: 280,795 km (0.057 R)
• M3: 438,322 km (0.118 R)
• M4: 581,038 km (0.111 R)
• M5: 723,605 km (0.099 R)
• M6: 814,261 km (0.067 R)
• M7: 907,161 km (0.108 R)
• M8: 1,006,345 km (0.073 R)
• M9: 1,107,323 km (0.104 R)
• M10: 1,193,791 km (0.079 R)
• M11: 1,301,352 km (0.106 R)
• M12: 1,426,266 km (0.094 R)
• M13: 1,524,103 km (0.104 R)
• M14: 1,662,332 km (0.064 R)
• M15: 1,841,251 km (0.084 R)
• M16: 1,986,061 km (0.114 R)
• M17: 2,221,977 km (0.038 R)
• M18: 2,383,244 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.3

Radius: 12.9

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.68 AU - 0.92 AU

Year: 462 Days

Day: 14.4 Hours

Environment

Temp: -138 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 22,389,880 km

• M1: 161,267 km (0.059 R)
• M2: 266,733 km (0.099 R)
• M3: 407,953 km (0.118 R)
• M4: 493,523 km (0.072 R)
• M5: 574,306 km (0.106 R)
• M6: 702,362 km (0.07 R)
• M7: 845,228 km (0.1 R)
• M8: 1,015,022 km (0.113 R)
• M9: 1,127,968 km (0.072 R)
• M10: 1,395,150 km (0.1 R)
• M11: 1,507,947 km (0.074 R)
• M12: 1,663,379 km (0.113 R)
• M13: 1,748,201 km (0.078 R)
• M14: 1,985,313 km (0.066 R)
• M15: 2,151,217 km (0.106 R)
• M16: 2,266,258 km (0.046 R)
• M17: 2,411,817 km (0.055 R)
• M18: 2,537,329 km (0.098 R)
• M19: 2,630,080 km (0.083 R)
• M20: 2,753,648 km (0.119 R)
• M21: 2,855,075 km (0.113 R)
• M22: 3,037,286 km (0.055 R)
• M23: 3,336,781 km (0.047 R)
• M24: 3,496,701 km (0.118 R)
• M25: 3,698,658 km (0.113 R)
• M26: 3,811,006 km (0.071 R)
• M27: 4,039,292 km (0.094 R)
• M28: 4,148,349 km (0.119 R)
• M29: 4,230,777 km (0.102 R)
• M30: 4,397,280 km (0.103 R)
• M31: 4,736,867 km (0.115 R)
• M32: 4,967,996 km (0.107 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 37.7

Radius: 6.8

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 6.9 AU - 8.36 AU

Year: 13608 Days

Day: 15.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (48)

Outer Limit: 22,389,880 km

• M1: 86,617 km (0.057 R)
• M2: 172,786 km (0.083 R)
• M3: 341,532 km (0.088 R)
• M4: 497,712 km (0.042 R)
• M5: 656,884 km (0.115 R)
• M6: 789,877 km (0.106 R)
• M7: 943,065 km (0.086 R)
• M8: 1,118,094 km (0.048 R)
• M9: 1,354,609 km (0.112 R)
• M10: 1,498,671 km (0.116 R)
• M11: 1,647,970 km (0.07 R)
• M12: 2,658,055 km (0.095 R)
• M13: 2,723,579 km (0.104 R)
• M14: 3,567,909 km (0.055 R)
• M15: 3,622,213 km (0.041 R)
• M16: 4,160,167 km (0.049 R)
• M17: 4,663,564 km (0.101 R)
• M18: 5,003,301 km (0.026 R)
• M19: 6,286,402 km (0.11 R)
• M20: 7,088,994 km (0.089 R)
• M21: 7,294,691 km (0.063 R)
• M22: 7,386,694 km (0.101 R)
• M23: 7,548,709 km (0.088 R)
• M24: 8,280,242 km (0.108 R)
• M25: 8,569,415 km (0.104 R)
• M26: 8,788,576 km (0.098 R)
• M27: 9,911,757 km (0.025 R)
• M28: 10,477,087 km (0.113 R)
• M29: 11,344,605 km (0.12 R)
• M30: 12,481,848 km (0.074 R)
• M31: 13,968,103 km (0.119 R)
• M32: 14,111,118 km (0.048 R)
• M33: 14,398,795 km (0.107 R)
• M34: 14,485,412 km (0.092 R)
• M35: 14,862,997 km (0.118 R)
• M36: 15,361,607 km (0.078 R)
• M37: 16,015,050 km (0.103 R)
• M38: 17,226,195 km (0.048 R)
• M39: 17,410,350 km (0.09 R)
• M40: 17,564,436 km (0.093 R)
• M41: 17,966,854 km (0.102 R)
• M42: 18,278,616 km (0.084 R)
• M43: 18,781,115 km (0.082 R)
• M44: 19,896,068 km (0.111 R)
• M45: 20,738,005 km (0.095 R)
• M46: 20,933,978 km (0.074 R)
• M47: 21,294,958 km (0.098 R)
• M48: 21,360,781 km (0.119 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 520 - 16,955 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit