🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184

Radius: 15

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.69 AU - 0.75 AU

Year: 388 Days

Day: 13 Hours

Environment

Temp: -142 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 61,324,981 km

• M1: 186,549 km (0.079 R)
• M2: 818,749 km (0.066 R)
• M3: 1,329,476 km (0.063 R)
• M4: 1,843,495 km (0.096 R)
• M5: 2,422,588 km (0.072 R)
• M6: 2,986,871 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.5

Radius: 8.3

Gravity: 6.52 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.76 AU - 1.2 AU

Year: 617 Days

Day: 12.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,324,981 km

• M1: 107,411 km (0.077 R)
• M2: 389,553 km (0.083 R)
• M3: 682,465 km (0.078 R)
• M4: 1,088,624 km (0.097 R)
• M5: 1,492,388 km (0.113 R)
• M6: 2,307,697 km (0.095 R)
• M7: 3,842,272 km (0.078 R)
• M8: 4,464,300 km (0.105 R)
• M9: 4,941,666 km (0.054 R)
• M10: 5,980,025 km (0.103 R)
• M11: 6,407,277 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523.9

Radius: 13.1

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.07 AU - 1.45 AU

Year: 899 Days

Day: 7.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 61,324,981 km

• M1: 163,510 km (0.072 R)
• M2: 607,517 km (0.047 R)
• M3: 1,470,547 km (0.114 R)
• M4: 1,891,815 km (0.107 R)
• M5: 3,399,612 km (0.066 R)
• M6: 4,518,454 km (0.081 R)
• M7: 4,994,325 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.7

Radius: 12.6

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.64 AU - 3.52 AU

Year: 3437 Days

Day: 12.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 61,324,981 km

• M1: 156,629 km (0.114 R)
• M2: 606,320 km (0.095 R)
• M3: 1,102,088 km (0.087 R)
• M4: 1,502,711 km (0.069 R)
• M5: 2,263,117 km (0.111 R)
• M6: 2,796,283 km (0.116 R)
• M7: 3,666,644 km (0.109 R)
• M8: 4,118,429 km (0.091 R)
• M9: 5,289,930 km (0.067 R)
• M10: 5,845,238 km (0.119 R)
• M11: 6,362,697 km (0.051 R)
• M12: 8,042,232 km (0.086 R)
• M13: 10,491,149 km (0.044 R)
• M14: 11,944,193 km (0.114 R)
• M15: 12,537,349 km (0.053 R)
• M16: 13,150,102 km (0.096 R)
• M17: 13,569,724 km (0.072 R)
• M18: 14,128,472 km (0.042 R)
• M19: 15,430,572 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.1

Radius: 8.1

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 4.28 AU - 5.9 AU

Year: 7301 Days

Day: 14.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,324,981 km

• M1: 104,868 km (0.043 R)
• M2: 565,031 km (0.115 R)
• M3: 836,850 km (0.098 R)
• M4: 1,358,648 km (0.092 R)
• M5: 1,875,060 km (0.119 R)
• M6: 2,409,124 km (0.117 R)
• M7: 2,873,326 km (0.11 R)
• M8: 4,112,595 km (0.119 R)
• M9: 8,532,913 km (0.035 R)
• M10: 10,484,866 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 581.9

Radius: 5.2

Gravity: 21.52 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 6.79 AU - 10.17 AU

Year: 15701 Days

Day: 21.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 61,324,981 km

• M1: 64,626 km (0.118 R)
• M2: 267,331 km (0.03 R)
• M3: 518,955 km (0.118 R)
• M4: 699,370 km (0.087 R)
• M5: 890,556 km (0.073 R)
• M6: 1,153,848 km (0.059 R)
• M7: 1,802,804 km (0.114 R)
• M8: 3,452,719 km (0.088 R)
• M9: 3,840,177 km (0.095 R)
• M10: 4,443,206 km (0.103 R)
• M11: 5,721,819 km (0.049 R)
• M12: 6,967,371 km (0.097 R)
• M13: 11,290,600 km (0.095 R)
• M14: 12,582,378 km (0.118 R)
• M15: 12,839,088 km (0.082 R)
• M16: 13,230,884 km (0.099 R)
• M17: 21,897,837 km (0.064 R)
• M18: 22,269,588 km (0.087 R)
• M19: 24,389,090 km (0.074 R)
• M20: 25,702,709 km (0.054 R)
• M21: 26,220,168 km (0.027 R)
• M22: 26,639,342 km (0.112 R)
• M23: 29,024,231 km (0.076 R)
• M24: 29,698,468 km (0.099 R)
• M25: 29,925,558 km (0.057 R)
• M26: 30,153,844 km (0.111 R)
• M27: 30,498,368 km (0.077 R)
• M28: 31,312,480 km (0.09 R)
• M29: 33,472,224 km (0.102 R)
• M30: 34,839,848 km (0.039 R)
• M31: 40,404,739 km (0.106 R)
• M32: 42,960,769 km (0.101 R)
• M33: 44,723,480 km (0.09 R)
• M34: 48,706,823 km (0.093 R)
• M35: 56,321,803 km (0.03 R)
• M36: 56,844,349 km (0.109 R)
• M37: 59,505,545 km (0.082 R)
• M38: 60,228,851 km (0.082 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 305 - 18,215 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit