🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.6

Radius: 9.4

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.62 AU - 0.64 AU

Year: 351 Days

Day: 12.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 28,487,069 km

• M1: 116,986 km (0.087 R)
• M2: 517,609 km (0.117 R)
• M3: 826,678 km (0.107 R)
• M4: 1,280,558 km (0.107 R)
• M5: 1,605,036 km (0.114 R)
• M6: 1,924,876 km (0.111 R)
• M7: 2,279,273 km (0.108 R)
• M8: 3,333,789 km (0.067 R)
• M9: 4,363,171 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950

Radius: 14.2

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.88 AU - 1.24 AU

Year: 767 Days

Day: 6.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 28,487,069 km

• M1: 176,525 km (0.098 R)
• M2: 656,435 km (0.077 R)
• M3: 1,104,780 km (0.103 R)
• M4: 1,603,091 km (0.092 R)
• M5: 2,264,164 km (0.085 R)
• M6: 2,900,404 km (0.1 R)
• M7: 3,440,153 km (0.115 R)
• M8: 4,286,428 km (0.103 R)
• M9: 4,759,606 km (0.086 R)
• M10: 7,268,961 km (0.064 R)
• M11: 8,823,282 km (0.038 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.8

Radius: 9.2

Gravity: 10.64 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.04 AU - 1.22 AU

Year: 844 Days

Day: 11.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 159.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 28,487,069 km

• M1: 114,742 km (0.041 R)
• M2: 444,904 km (0.117 R)
• M3: 865,424 km (0.073 R)
• M4: 1,687,913 km (0.119 R)
• M5: 2,125,187 km (0.118 R)
• M6: 2,530,747 km (0.113 R)
• M7: 3,106,400 km (0.038 R)
• M8: 3,425,791 km (0.067 R)
• M9: 3,922,456 km (0.089 R)
• M10: 5,583,890 km (0.085 R)
• M11: 6,316,471 km (0.11 R)
• M12: 6,854,724 km (0.045 R)
• M13: 7,845,062 km (0.028 R)
• M14: 8,308,815 km (0.113 R)
• M15: 9,066,379 km (0.061 R)
• M16: 9,606,128 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493.4

Radius: 14.7

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.02 AU - 1.46 AU

Year: 971 Days

Day: 11.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 28,487,069 km

• M1: 195,674 km (0.115 R)
• M2: 659,278 km (0.105 R)
• M3: 1,362,388 km (0.066 R)
• M4: 2,917,458 km (0.116 R)
• M5: 3,627,748 km (0.081 R)
• M6: 4,752,575 km (0.111 R)
• M7: 5,378,043 km (0.1 R)
• M8: 6,018,023 km (0.092 R)
• M9: 6,751,801 km (0.098 R)
• M10: 7,615,429 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.1

Radius: 13.8

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.99 AU - 1.51 AU

Year: 982 Days

Day: 8.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 28,487,069 km

• M1: 171,589 km (0.101 R)
• M2: 620,382 km (0.037 R)
• M3: 1,503,309 km (0.101 R)
• M4: 4,810,918 km (0.111 R)
• M5: 5,532,428 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.5

Radius: 12

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.67 AU - 2.59 AU

Year: 2185 Days

Day: 9 Hours

Environment

Temp: -206 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 28,487,069 km

• M1: 149,299 km (0.05 R)
• M2: 589,864 km (0.097 R)
• M3: 1,099,395 km (0.055 R)
• M4: 1,666,371 km (0.096 R)
• M5: 2,490,206 km (0.075 R)
• M6: 3,168,034 km (0.068 R)
• M7: 4,332,205 km (0.117 R)
• M8: 4,742,701 km (0.102 R)
• M9: 5,156,639 km (0.107 R)
• M10: 6,260,521 km (0.102 R)
• M11: 7,314,438 km (0.083 R)
• M12: 8,050,161 km (0.105 R)
• M13: 9,737,924 km (0.108 R)
• M14: 10,999,782 km (0.109 R)
• M15: 11,650,533 km (0.098 R)
• M16: 12,367,555 km (0.087 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940

Radius: 12.3

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.66 AU - 3.62 AU

Year: 3911 Days

Day: 9.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 28,487,069 km

• M1: 153,039 km (0.09 R)
• M2: 692,339 km (0.119 R)
• M3: 1,326,634 km (0.061 R)
• M4: 1,744,760 km (0.097 R)
• M5: 2,485,269 km (0.118 R)
• M6: 2,983,430 km (0.115 R)
• M7: 3,506,873 km (0.106 R)
• M8: 3,933,676 km (0.105 R)
• M9: 4,516,210 km (0.084 R)
• M10: 5,182,369 km (0.074 R)
• M11: 5,596,008 km (0.12 R)
• M12: 6,679,695 km (0.043 R)
• M13: 7,442,195 km (0.109 R)
• M14: 8,006,328 km (0.106 R)
• M15: 9,340,143 km (0.028 R)
• M16: 10,816,973 km (0.112 R)
• M17: 11,541,775 km (0.096 R)
• M18: 12,987,938 km (0.116 R)
• M19: 13,964,213 km (0.118 R)
• M20: 15,661,401 km (0.112 R)
• M21: 17,370,108 km (0.114 R)
• M22: 18,175,094 km (0.106 R)
• M23: 19,134,615 km (0.07 R)
• M24: 19,859,566 km (0.081 R)
• M25: 26,984,464 km (0.108 R)
• M26: 28,232,858 km (0.1 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: 343 - 20,024 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit