🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.4

Radius: 13.5

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.58 AU - 0.6 AU

Year: 307 Days

Day: 10.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,624,186 km

• M1: 167,998 km (0.09 R)
• M2: 692,489 km (0.048 R)
• M3: 1,241,812 km (0.108 R)
• M4: 1,663,080 km (0.104 R)
• M5: 2,104,842 km (0.078 R)
• M6: 2,753,349 km (0.076 R)
• M7: 3,264,525 km (0.094 R)
• M8: 3,769,418 km (0.101 R)
• M9: 4,493,471 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.5

Radius: 12.8

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.67 AU - 0.81 AU

Year: 432 Days

Day: 7.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,624,186 km

• M1: 159,322 km (0.112 R)
• M2: 847,173 km (0.079 R)
• M3: 1,295,518 km (0.096 R)
• M4: 2,033,933 km (0.11 R)
• M5: 2,524,314 km (0.097 R)
• M6: 3,356,378 km (0.097 R)
• M7: 4,237,958 km (0.098 R)
• M8: 5,447,008 km (0.112 R)
• M9: 5,938,138 km (0.112 R)

Asteroid Belt

Center: 1 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.2

Radius: 14.3

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.22 AU - 1.3 AU

Year: 959 Days

Day: 7.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,624,186 km

• M1: 180,864 km (0.111 R)
• M2: 703,409 km (0.107 R)
• M3: 1,188,705 km (0.066 R)
• M4: 1,810,284 km (0.03 R)
• M5: 3,217,252 km (0.056 R)
• M6: 3,916,173 km (0.081 R)
• M7: 4,415,381 km (0.103 R)
• M8: 4,992,530 km (0.059 R)
• M9: 5,992,891 km (0.05 R)
• M10: 6,466,966 km (0.045 R)
• M11: 7,259,536 km (0.045 R)
• M12: 7,847,456 km (0.076 R)
• M13: 8,467,090 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.9

Radius: 10

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 2.09 AU - 2.15 AU

Year: 2094 Days

Day: 5.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 44,624,186 km

• M1: 124,316 km (0.074 R)
• M2: 488,886 km (0.113 R)
• M3: 957,426 km (0.074 R)
• M4: 1,319,304 km (0.106 R)
• M5: 2,485,718 km (0.07 R)
• M6: 3,069,300 km (0.106 R)
• M7: 3,890,891 km (0.084 R)
• M8: 4,491,078 km (0.079 R)
• M9: 5,591,520 km (0.116 R)
• M10: 5,965,664 km (0.045 R)
• M11: 6,309,739 km (0.09 R)
• M12: 6,912,469 km (0.055 R)
• M13: 7,292,447 km (0.081 R)
• M14: 7,793,600 km (0.088 R)
• M15: 9,777,717 km (0.107 R)
• M16: 10,954,603 km (0.113 R)
• M17: 11,367,045 km (0.09 R)
• M18: 11,789,958 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.3

Radius: 14

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 2.06 AU - 3.14 AU

Year: 2843 Days

Day: 6.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,624,186 km

• M1: 174,880 km (0.099 R)
• M2: 796,010 km (0.092 R)
• M3: 1,246,898 km (0.051 R)
• M4: 2,156,603 km (0.055 R)
• M5: 2,906,537 km (0.094 R)
• M6: 3,530,809 km (0.091 R)
• M7: 8,063,026 km (0.097 R)
• M8: 8,756,711 km (0.116 R)
• M9: 9,265,793 km (0.088 R)
• M10: 10,871,277 km (0.06 R)
• M11: 12,070,005 km (0.078 R)
• M12: 13,072,161 km (0.111 R)
• M13: 17,415,137 km (0.028 R)
• M14: 20,349,499 km (0.09 R)
• M15: 22,637,599 km (0.071 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 377.1

Radius: 5.4

Gravity: 12.93 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 5.5 AU - 8.16 AU

Year: 12107 Days

Day: 16.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 44,624,186 km

• M1: 67,169 km (0.09 R)
• M2: 260,151 km (0.091 R)
• M3: 434,432 km (0.087 R)
• M4: 730,486 km (0.099 R)
• M5: 1,024,446 km (0.095 R)
• M6: 1,727,407 km (0.091 R)
• M7: 2,043,806 km (0.079 R)
• M8: 2,531,495 km (0.08 R)
• M9: 3,536,194 km (0.114 R)
• M10: 4,127,405 km (0.099 R)
• M11: 4,812,264 km (0.095 R)
• M12: 5,056,707 km (0.087 R)
• M13: 6,117,805 km (0.077 R)
• M14: 7,044,414 km (0.102 R)
• M15: 7,399,709 km (0.108 R)
• M16: 7,684,394 km (0.059 R)
• M17: 9,079,394 km (0.057 R)
• M18: 9,405,667 km (0.056 R)
• M19: 13,229,688 km (0.117 R)
• M20: 16,559,736 km (0.112 R)
• M21: 17,187,748 km (0.1 R)
• M22: 18,049,581 km (0.106 R)
• M23: 20,250,765 km (0.101 R)
• M24: 20,488,326 km (0.077 R)
• M25: 21,049,617 km (0.116 R)
• M26: 28,805,220 km (0.05 R)
• M27: 33,093,592 km (0.088 R)
• M28: 36,722,238 km (0.087 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 376 - 12,141 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit