🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.4

Radius: 11.5

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.43 AU - 0.71 AU

Year: 292 Days

Day: 9.3 Hours

Environment

Temp: -143 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 69,256,275 km

• M1: 143,016 km (0.074 R)
• M2: 632,799 km (0.108 R)
• M3: 1,119,590 km (0.093 R)
• M4: 1,537,268 km (0.051 R)
• M5: 1,991,447 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.8

Radius: 10.3

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.85 AU - 1.41 AU

Year: 815 Days

Day: 9.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,256,275 km

• M1: 128,205 km (0.088 R)
• M2: 530,175 km (0.065 R)
• M3: 1,017,864 km (0.047 R)
• M4: 1,528,441 km (0.087 R)
• M5: 3,159,058 km (0.047 R)
• M6: 3,648,094 km (0.07 R)
• M7: 4,173,332 km (0.036 R)
• M8: 5,986,308 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.8

Radius: 12.8

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.11 AU - 1.21 AU

Year: 847 Days

Day: 5.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,256,275 km

• M1: 159,172 km (0.114 R)
• M2: 643,420 km (0.066 R)
• M3: 1,376,600 km (0.116 R)
• M4: 2,107,535 km (0.117 R)
• M5: 2,526,558 km (0.115 R)
• M6: 3,169,081 km (0.098 R)
• M7: 4,208,188 km (0.091 R)
• M8: 5,081,092 km (0.087 R)
• M9: 5,733,787 km (0.056 R)
• M10: 6,582,157 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.8

Radius: 13.8

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.97 AU - 1.53 AU

Year: 948 Days

Day: 7 Hours

Environment

Temp: -193 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,256,275 km

• M1: 171,738 km (0.109 R)
• M2: 631,004 km (0.102 R)
• M3: 1,138,889 km (0.105 R)
• M4: 1,744,012 km (0.114 R)
• M5: 2,206,419 km (0.075 R)
• M6: 2,800,921 km (0.059 R)
• M7: 4,036,450 km (0.113 R)
• M8: 4,841,436 km (0.114 R)
• M9: 5,568,332 km (0.115 R)
• M10: 6,171,361 km (0.116 R)
• M11: 6,612,375 km (0.111 R)
• M12: 7,121,756 km (0.069 R)
• M13: 7,657,466 km (0.074 R)
• M14: 8,089,804 km (0.109 R)
• M15: 9,985,059 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914

Radius: 10.2

Gravity: 8.79 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 3.24 AU - 3.72 AU

Year: 4403 Days

Day: 10.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 69,256,275 km

• M1: 127,009 km (0.093 R)
• M2: 487,390 km (0.07 R)
• M3: 884,123 km (0.043 R)
• M4: 1,270,236 km (0.1 R)
• M5: 1,862,493 km (0.099 R)
• M6: 2,364,095 km (0.104 R)
• M7: 4,502,896 km (0.069 R)
• M8: 6,341,753 km (0.109 R)
• M9: 7,804,671 km (0.119 R)
• M10: 8,326,318 km (0.116 R)
• M11: 10,293,081 km (0.117 R)
• M12: 11,012,647 km (0.073 R)
• M13: 12,652,539 km (0.072 R)
• M14: 17,205,251 km (0.079 R)
• M15: 18,937,445 km (0.059 R)
• M16: 21,713,233 km (0.1 R)
• M17: 24,908,195 km (0.101 R)
• M18: 25,712,732 km (0.091 R)
• M19: 27,373,718 km (0.077 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 760.5

Radius: 4.8

Gravity: 33.01 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 7.32 AU - 9.46 AU

Year: 16483 Days

Day: 16.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 69,256,275 km

• M1: 59,839 km (0.093 R)
• M2: 288,574 km (0.107 R)
• M3: 526,884 km (0.068 R)
• M4: 796,459 km (0.093 R)
• M5: 946,356 km (0.074 R)
• M6: 1,578,706 km (0.084 R)
• M7: 3,129,438 km (0.07 R)
• M8: 4,588,615 km (0.074 R)
• M9: 7,475,555 km (0.085 R)
• M10: 7,953,969 km (0.118 R)
• M11: 8,865,918 km (0.059 R)
• M12: 11,016,238 km (0.107 R)
• M13: 11,322,913 km (0.097 R)
• M14: 13,421,622 km (0.111 R)
• M15: 16,392,037 km (0.119 R)
• M16: 17,197,771 km (0.075 R)
• M17: 20,500,892 km (0.112 R)
• M18: 21,340,884 km (0.101 R)
• M19: 26,647,869 km (0.118 R)
• M20: 27,873,075 km (0.108 R)
• M21: 31,282,411 km (0.063 R)
• M22: 31,527,302 km (0.116 R)
• M23: 36,697,554 km (0.098 R)
• M24: 42,405,312 km (0.079 R)
• M25: 44,072,580 km (0.109 R)
• M26: 45,625,855 km (0.053 R)
• M27: 54,471,128 km (0.098 R)
• M28: 55,360,188 km (0.067 R)
• M29: 58,640,869 km (0.063 R)
• M30: 63,409,002 km (0.087 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 486 - 13,392 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit