🌌 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: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.1

Radius: 13.7

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.64 AU - 0.72 AU

Year: 368 Days

Day: 7.5 Hours

Environment

Temp: -127 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 30,832,702 km

• M1: 170,542 km (0.111 R)
• M2: 760,256 km (0.065 R)
• M3: 1,227,600 km (0.094 R)
• M4: 1,750,445 km (0.111 R)
• M5: 2,388,928 km (0.097 R)
• M6: 2,923,591 km (0.058 R)
• M7: 4,312,308 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.8

Radius: 9.4

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.81 AU - 0.83 AU

Year: 487 Days

Day: 11.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 30,832,702 km

• M1: 116,836 km (0.116 R)
• M2: 497,114 km (0.105 R)
• M3: 819,348 km (0.092 R)
• M4: 1,204,712 km (0.098 R)
• M5: 1,669,961 km (0.104 R)
• M6: 2,260,274 km (0.096 R)
• M7: 2,983,730 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354

Radius: 12.4

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.75 AU - 1.01 AU

Year: 542 Days

Day: 6.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 30,832,702 km

• M1: 154,235 km (0.079 R)
• M2: 582,684 km (0.105 R)
• M3: 1,001,558 km (0.101 R)
• M4: 1,441,974 km (0.108 R)
• M5: 1,889,421 km (0.119 R)
• M6: 2,367,087 km (0.061 R)
• M7: 2,782,820 km (0.088 R)
• M8: 3,236,400 km (0.071 R)
• M9: 4,160,466 km (0.105 R)
• M10: 4,599,237 km (0.053 R)
• M11: 5,023,496 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.4

Radius: 9.1

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.68 AU - 2.28 AU

Year: 1828 Days

Day: 8.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 30,832,702 km

• M1: 113,246 km (0.078 R)
• M2: 410,796 km (0.113 R)
• M3: 809,624 km (0.079 R)
• M4: 1,874,761 km (0.099 R)
• M5: 2,759,482 km (0.11 R)
• M6: 3,752,214 km (0.074 R)
• M7: 4,085,368 km (0.12 R)
• M8: 4,511,273 km (0.073 R)
• M9: 4,908,007 km (0.119 R)
• M10: 5,578,505 km (0.077 R)
• M11: 5,924,973 km (0.099 R)
• M12: 6,471,604 km (0.096 R)
• M13: 6,952,411 km (0.11 R)
• M14: 7,277,637 km (0.112 R)
• M15: 7,878,123 km (0.091 R)
• M16: 8,596,043 km (0.09 R)
• M17: 9,478,072 km (0.11 R)
• M18: 10,581,805 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.1

Radius: 12

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 2.93 AU - 4.85 AU

Year: 5033 Days

Day: 11.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 30,832,702 km

• M1: 149,299 km (0.104 R)
• M2: 873,801 km (0.086 R)
• M3: 1,375,403 km (0.079 R)
• M4: 1,899,893 km (0.076 R)
• M5: 2,375,016 km (0.092 R)
• M6: 3,995,310 km (0.1 R)
• M7: 4,903,968 km (0.107 R)
• M8: 5,917,942 km (0.069 R)
• M9: 6,608,336 km (0.098 R)
• M10: 8,570,462 km (0.085 R)
• M11: 9,190,994 km (0.084 R)
• M12: 11,063,062 km (0.1 R)
• M13: 11,710,821 km (0.108 R)
• M14: 12,383,712 km (0.116 R)
• M15: 14,711,455 km (0.078 R)
• M16: 15,442,091 km (0.112 R)
• M17: 15,816,384 km (0.1 R)
• M18: 16,750,623 km (0.071 R)
• M19: 17,317,150 km (0.059 R)
• M20: 17,779,557 km (0.1 R)
• M21: 18,608,629 km (0.088 R)
• M22: 21,316,799 km (0.07 R)
• M23: 23,495,542 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.9

Radius: 14.3

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 3.65 AU - 5.05 AU

Year: 5952 Days

Day: 8.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,832,702 km

• M1: 177,872 km (0.117 R)
• M2: 762,800 km (0.114 R)
• M3: 1,716,636 km (0.07 R)
• M4: 4,614,646 km (0.044 R)
• M5: 5,610,967 km (0.114 R)
• M6: 8,265,133 km (0.081 R)
• M7: 9,689,304 km (0.083 R)
• M8: 11,667,736 km (0.119 R)
• M9: 12,176,070 km (0.082 R)
• M10: 13,291,920 km (0.112 R)
• M11: 23,092,077 km (0.089 R)
• M12: 23,571,538 km (0.118 R)
• M13: 25,556,851 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.9

Radius: 10.5

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 4.7 AU - 5.12 AU

Year: 7137 Days

Day: 10.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 30,832,702 km

• M1: 132,693 km (0.084 R)
• M2: 539,300 km (0.043 R)
• M3: 1,136,645 km (0.105 R)
• M4: 1,539,212 km (0.112 R)
• M5: 3,041,774 km (0.108 R)
• M6: 3,462,742 km (0.097 R)
• M7: 5,350,966 km (0.119 R)
• M8: 6,151,913 km (0.11 R)
• M9: 6,862,204 km (0.075 R)
• M10: 7,202,689 km (0.083 R)
• M11: 8,103,717 km (0.078 R)
• M12: 8,640,175 km (0.087 R)
• M13: 9,037,806 km (0.118 R)
• M14: 9,489,292 km (0.12 R)
• M15: 10,348,582 km (0.108 R)
• M16: 10,888,631 km (0.045 R)
• M17: 12,271,663 km (0.106 R)
• M18: 12,876,936 km (0.067 R)
• M19: 13,343,831 km (0.066 R)
• M20: 16,689,886 km (0.12 R)
• M21: 18,133,506 km (0.102 R)
• M22: 20,139,613 km (0.075 R)
• M23: 20,769,271 km (0.112 R)
• M24: 21,701,714 km (0.05 R)
• M25: 24,667,043 km (0.107 R)
• M26: 25,549,970 km (0.111 R)
• M27: 26,205,209 km (0.085 R)
• M28: 27,378,804 km (0.119 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 209 - 13,458 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit