🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.3

Radius: 10.8

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.56 AU - 0.68 AU

Year: 337 Days

Day: 7.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 51,235,197 km

• M1: 134,937 km (0.115 R)
• M2: 617,241 km (0.086 R)
• M3: 1,040,603 km (0.106 R)
• M4: 1,380,340 km (0.076 R)
• M5: 1,900,940 km (0.111 R)
• M6: 2,272,242 km (0.093 R)
• M7: 2,718,044 km (0.119 R)
• M8: 3,460,797 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.7

Radius: 12.5

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.59 AU - 0.79 AU

Year: 396 Days

Day: 13.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 51,235,197 km

• M1: 155,731 km (0.092 R)
• M2: 705,504 km (0.107 R)
• M3: 1,099,993 km (0.081 R)
• M4: 2,358,710 km (0.113 R)
• M5: 2,881,255 km (0.106 R)
• M6: 3,388,541 km (0.116 R)
• M7: 5,064,935 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.4

Radius: 14.6

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.81 AU - 0.95 AU

Year: 570 Days

Day: 14.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,235,197 km

• M1: 181,612 km (0.038 R)
• M2: 669,899 km (0.099 R)
• M3: 1,132,605 km (0.079 R)
• M4: 2,047,845 km (0.083 R)
• M5: 2,529,700 km (0.096 R)
• M6: 3,267,816 km (0.075 R)
• M7: 4,411,641 km (0.111 R)
• M8: 5,295,914 km (0.117 R)
• M9: 5,992,442 km (0.092 R)
• M10: 6,749,557 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.1

Radius: 8.6

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.91 AU - 0.95 AU

Year: 619 Days

Day: 9.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 51,235,197 km

• M1: 111,002 km (0.065 R)
• M2: 422,464 km (0.043 R)
• M3: 721,660 km (0.105 R)
• M4: 1,028,785 km (0.108 R)
• M5: 2,103,645 km (0.036 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961.4

Radius: 14.8

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.55 AU - 2.43 AU

Year: 1938 Days

Day: 13.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,235,197 km

• M1: 184,604 km (0.066 R)
• M2: 673,938 km (0.111 R)
• M3: 1,191,248 km (0.073 R)
• M4: 1,881,642 km (0.118 R)
• M5: 3,063,316 km (0.111 R)
• M6: 3,547,863 km (0.051 R)
• M7: 4,122,768 km (0.1 R)
• M8: 4,759,905 km (0.112 R)
• M9: 5,901,038 km (0.087 R)
• M10: 6,443,031 km (0.113 R)
• M11: 8,495,513 km (0.051 R)
• M12: 9,883,782 km (0.106 R)
• M13: 11,068,746 km (0.098 R)
• M14: 12,596,739 km (0.11 R)
• M15: 13,854,408 km (0.079 R)
• M16: 14,769,499 km (0.055 R)
• M17: 15,482,033 km (0.062 R)
• M18: 16,068,606 km (0.104 R)
• M19: 17,970,743 km (0.086 R)

Asteroid Belt

Center: 2.29 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.7

Radius: 12.7

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.45 AU - 2.73 AU

Year: 2877 Days

Day: 8.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 51,235,197 km

• M1: 158,125 km (0.037 R)
• M2: 614,099 km (0.111 R)
• M3: 1,062,594 km (0.092 R)
• M4: 1,508,395 km (0.115 R)
• M5: 2,024,059 km (0.082 R)
• M6: 2,509,803 km (0.065 R)
• M7: 4,456,371 km (0.069 R)
• M8: 5,556,364 km (0.101 R)
• M9: 6,048,990 km (0.119 R)
• M10: 7,285,416 km (0.115 R)
• M11: 8,110,299 km (0.074 R)
• M12: 8,870,705 km (0.09 R)
• M13: 9,284,493 km (0.07 R)
• M14: 9,711,146 km (0.114 R)
• M15: 14,294,077 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 781.2

Radius: 4.5

Gravity: 38.58 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 4.69 AU - 7.47 AU

Year: 10348 Days

Day: 22.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 51,235,197 km

• M1: 55,950 km (0.08 R)
• M2: 221,854 km (0.099 R)
• M3: 695,032 km (0.098 R)
• M4: 1,052,122 km (0.037 R)
• M5: 1,240,765 km (0.088 R)
• M6: 2,711,910 km (0.09 R)
• M7: 2,976,549 km (0.098 R)
• M8: 3,902,111 km (0.085 R)
• M9: 4,782,195 km (0.041 R)
• M10: 5,037,559 km (0.07 R)
• M11: 6,040,313 km (0.057 R)
• M12: 6,225,815 km (0.111 R)
• M13: 7,335,532 km (0.066 R)
• M14: 8,114,787 km (0.114 R)
• M15: 9,434,539 km (0.099 R)
• M16: 13,222,357 km (0.094 R)
• M17: 13,917,389 km (0.046 R)
• M18: 14,636,356 km (0.099 R)
• M19: 18,763,313 km (0.037 R)
• M20: 19,802,420 km (0.06 R)
• M21: 20,627,302 km (0.039 R)
• M22: 22,169,507 km (0.075 R)
• M23: 22,789,590 km (0.101 R)
• M24: 28,377,968 km (0.09 R)
• M25: 31,820,365 km (0.113 R)
• M26: 32,722,440 km (0.026 R)
• M27: 42,836,453 km (0.092 R)
• M28: 45,336,084 km (0.054 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 275 - 14,708 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit