🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173.6

Radius: 13.2

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.58 AU - 0.76 AU

Year: 366 Days

Day: 8.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 69,637,716 km

• M1: 164,258 km (0.116 R)
• M2: 658,979 km (0.086 R)
• M3: 1,277,715 km (0.062 R)
• M4: 1,955,095 km (0.108 R)
• M5: 3,055,537 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.9

Radius: 10.3

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.3 AU - 2.1 AU

Year: 1478 Days

Day: 8.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,637,716 km

• M1: 128,056 km (0.048 R)
• M2: 458,817 km (0.072 R)
• M3: 975,378 km (0.093 R)
• M4: 1,347,727 km (0.037 R)
• M5: 1,979,180 km (0.111 R)
• M6: 2,738,688 km (0.069 R)
• M7: 3,469,175 km (0.079 R)
• M8: 4,571,711 km (0.065 R)
• M9: 5,167,260 km (0.059 R)
• M10: 6,075,020 km (0.095 R)
• M11: 6,513,491 km (0.117 R)
• M12: 7,454,312 km (0.083 R)
• M13: 8,280,093 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.2

Radius: 11

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.47 AU - 2.37 AU

Year: 1774 Days

Day: 12 Hours

Environment

Temp: -208 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,637,716 km

• M1: 136,732 km (0.095 R)
• M2: 487,689 km (0.087 R)
• M3: 833,709 km (0.064 R)
• M4: 1,181,374 km (0.091 R)
• M5: 1,583,045 km (0.107 R)
• M6: 2,012,690 km (0.104 R)
• M7: 3,273,351 km (0.063 R)
• M8: 5,277,364 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.8

Radius: 14.3

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.04 AU - 2.3 AU

Year: 2132 Days

Day: 11.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,637,716 km

• M1: 191,485 km (0.098 R)
• M2: 958,025 km (0.113 R)
• M3: 1,513,631 km (0.119 R)
• M4: 2,203,128 km (0.119 R)
• M5: 3,812,651 km (0.105 R)
• M6: 4,349,857 km (0.045 R)
• M7: 7,263,575 km (0.051 R)
• M8: 9,651,007 km (0.1 R)
• M9: 11,219,392 km (0.11 R)
• M10: 13,070,815 km (0.088 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 561.6

Radius: 7.2

Gravity: 10.83 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 7.09 AU - 10.97 AU

Year: 18095 Days

Day: 19.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 69,637,716 km

• M1: 92,152 km (0.118 R)
• M2: 327,769 km (0.062 R)
• M3: 705,653 km (0.076 R)
• M4: 1,370,167 km (0.101 R)
• M5: 1,645,876 km (0.104 R)
• M6: 2,480,333 km (0.085 R)
• M7: 5,089,170 km (0.089 R)
• M8: 8,012,612 km (0.067 R)
• M9: 9,176,633 km (0.094 R)
• M10: 9,606,726 km (0.107 R)
• M11: 17,285,286 km (0.025 R)
• M12: 20,823,874 km (0.071 R)
• M13: 21,849,667 km (0.109 R)
• M14: 23,900,504 km (0.096 R)
• M15: 24,817,539 km (0.086 R)
• M16: 27,377,308 km (0.115 R)
• M17: 29,293,657 km (0.095 R)
• M18: 30,937,438 km (0.09 R)
• M19: 32,394,521 km (0.069 R)
• M20: 35,445,121 km (0.112 R)
• M21: 41,379,968 km (0.106 R)
• M22: 42,257,359 km (0.082 R)
• M23: 53,429,179 km (0.103 R)
• M24: 56,054,771 km (0.086 R)
• M25: 58,949,041 km (0.047 R)
• M26: 63,281,694 km (0.076 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 443.8

Radius: 5.8

Gravity: 13.19 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 9.88 AU - 10.54 AU

Year: 21755 Days

Day: 23.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 69,637,716 km

• M1: 91,255 km (0.112 R)
• M2: 541,843 km (0.074 R)
• M3: 763,548 km (0.103 R)
• M4: 1,198,728 km (0.095 R)
• M5: 2,045,900 km (0.094 R)
• M6: 2,482,277 km (0.116 R)
• M7: 4,011,168 km (0.115 R)
• M8: 4,359,432 km (0.11 R)
• M9: 5,337,353 km (0.098 R)
• M10: 5,837,907 km (0.106 R)
• M11: 6,120,049 km (0.043 R)
• M12: 6,887,636 km (0.072 R)
• M13: 7,248,615 km (0.115 R)
• M14: 8,008,423 km (0.054 R)
• M15: 10,312,080 km (0.098 R)
• M16: 11,087,147 km (0.079 R)
• M17: 14,214,640 km (0.108 R)
• M18: 14,799,717 km (0.105 R)
• M19: 15,477,097 km (0.096 R)
• M20: 15,707,328 km (0.089 R)
• M21: 17,716,427 km (0.086 R)
• M22: 21,657,583 km (0.032 R)
• M23: 22,236,527 km (0.106 R)
• M24: 24,035,591 km (0.097 R)
• M25: 24,552,003 km (0.111 R)
• M26: 25,606,967 km (0.105 R)
• M27: 26,472,540 km (0.119 R)
• M28: 27,807,103 km (0.113 R)
• M29: 32,328,698 km (0.061 R)
• M30: 32,831,347 km (0.11 R)
• M31: 34,110,858 km (0.081 R)
• M32: 35,823,454 km (0.085 R)
• M33: 37,042,078 km (0.117 R)
• M34: 37,592,599 km (0.091 R)
• M35: 38,850,866 km (0.088 R)
• M36: 40,137,109 km (0.091 R)
• M37: 51,977,930 km (0.12 R)
• M38: 55,308,726 km (0.118 R)
• M39: 57,484,179 km (0.112 R)
• M40: 64,153,700 km (0.084 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 518 - 12,074 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit