🌌 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 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221

Radius: 9.8

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.58 AU - 0.72 AU

Year: 355 Days

Day: 11.2 Hours

Environment

Temp: -144 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 35,674,660 km

• M1: 121,922 km (0.094 R)
• M2: 545,733 km (0.112 R)
• M3: 893,249 km (0.115 R)
• M4: 1,435,242 km (0.076 R)
• M5: 1,959,283 km (0.097 R)
• M6: 2,374,118 km (0.075 R)
• M7: 3,502,685 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.5

Radius: 11.7

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.54 AU - 0.8 AU

Year: 372 Days

Day: 7.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,674,660 km

• M1: 145,559 km (0.065 R)
• M2: 616,942 km (0.081 R)
• M3: 1,005,298 km (0.091 R)
• M4: 1,556,566 km (0.055 R)
• M5: 1,931,608 km (0.063 R)
• M6: 2,331,333 km (0.079 R)
• M7: 2,715,201 km (0.076 R)
• M8: 3,096,826 km (0.073 R)
• M9: 4,171,088 km (0.072 R)
• M10: 4,908,007 km (0.093 R)
• M11: 5,299,804 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.6

Radius: 14.4

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.6 AU - 0.78 AU

Year: 389 Days

Day: 13.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 35,674,660 km

• M1: 179,069 km (0.081 R)
• M2: 670,348 km (0.089 R)
• M3: 1,330,673 km (0.103 R)
• M4: 1,792,033 km (0.043 R)
• M5: 2,552,289 km (0.051 R)
• M6: 3,249,565 km (0.101 R)
• M7: 3,771,512 km (0.064 R)
• M8: 4,221,502 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.6

Radius: 8.7

Gravity: 11.98 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.74 AU - 0.94 AU

Year: 522 Days

Day: 14.3 Hours

Environment

Temp: -163 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,674,660 km

• M1: 108,458 km (0.113 R)
• M2: 446,101 km (0.103 R)
• M3: 763,847 km (0.097 R)
• M4: 1,046,736 km (0.084 R)
• M5: 1,817,913 km (0.091 R)
• M6: 2,143,887 km (0.11 R)
• M7: 2,456,995 km (0.081 R)
• M8: 2,767,112 km (0.097 R)
• M9: 3,225,779 km (0.036 R)
• M10: 3,887,151 km (0.109 R)
• M11: 4,310,363 km (0.114 R)
• M12: 6,719,637 km (0.117 R)
• M13: 7,158,408 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.9

Radius: 9.5

Gravity: 6.92 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.95 AU - 4.15 AU

Year: 4537 Days

Day: 11.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 35,674,660 km

• M1: 156,479 km (0.096 R)
• M2: 495,917 km (0.115 R)
• M3: 1,127,220 km (0.084 R)
• M4: 2,813,038 km (0.119 R)
• M5: 4,493,621 km (0.067 R)
• M6: 5,152,749 km (0.056 R)
• M7: 6,631,374 km (0.115 R)
• M8: 7,417,362 km (0.109 R)
• M9: 8,448,540 km (0.111 R)
• M10: 9,018,059 km (0.052 R)
• M11: 10,403,784 km (0.11 R)
• M12: 11,013,844 km (0.113 R)
• M13: 12,067,611 km (0.114 R)
• M14: 12,401,215 km (0.103 R)
• M15: 13,746,399 km (0.102 R)
• M16: 15,688,030 km (0.114 R)
• M17: 19,579,669 km (0.114 R)
• M18: 20,442,100 km (0.03 R)
• M19: 23,401,595 km (0.111 R)
• M20: 25,370,303 km (0.072 R)
• M21: 25,682,813 km (0.043 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.8

Radius: 11.5

Gravity: 6.64 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 3.99 AU - 4.25 AU

Year: 5672 Days

Day: 12.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 172.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 35,674,660 km

• M1: 143,016 km (0.037 R)
• M2: 501,153 km (0.116 R)
• M3: 914,641 km (0.1 R)
• M4: 1,329,327 km (0.112 R)
• M5: 2,538,526 km (0.03 R)
• M6: 3,534,250 km (0.109 R)
• M7: 4,047,969 km (0.101 R)
• M8: 4,557,948 km (0.065 R)
• M9: 5,024,693 km (0.078 R)
• M10: 5,676,042 km (0.086 R)
• M11: 6,517,680 km (0.096 R)
• M12: 8,327,665 km (0.064 R)
• M13: 8,817,747 km (0.117 R)
• M14: 9,370,362 km (0.076 R)
• M15: 11,168,079 km (0.106 R)
• M16: 12,753,069 km (0.112 R)
• M17: 17,069,566 km (0.091 R)
• M18: 18,403,530 km (0.081 R)
• M19: 20,606,807 km (0.078 R)
• M20: 23,460,088 km (0.101 R)
• M21: 24,522,233 km (0.104 R)
• M22: 25,959,270 km (0.063 R)
• M23: 27,095,615 km (0.067 R)
• M24: 30,128,413 km (0.092 R)
• M25: 30,703,317 km (0.104 R)
• M26: 32,471,564 km (0.09 R)
• M27: 34,203,160 km (0.037 R)
• M28: 35,461,876 km (0.063 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: 176 - 11,173 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit