🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.1

Radius: 10.1

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.83 AU - 0.99 AU

Year: 569 Days

Day: 10 Hours

Environment

Temp: -162 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 53,576,401 km

• M1: 126,410 km (0.039 R)
• M2: 795,113 km (0.099 R)
• M3: 1,352,963 km (0.086 R)
• M4: 1,749,397 km (0.087 R)
• M5: 2,737,940 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.9

Radius: 10

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.03 AU - 1.35 AU

Year: 852 Days

Day: 14.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,576,401 km

• M1: 124,316 km (0.119 R)
• M2: 444,455 km (0.12 R)
• M3: 757,564 km (0.118 R)
• M4: 1,107,174 km (0.037 R)
• M5: 1,486,554 km (0.043 R)
• M6: 2,173,507 km (0.078 R)
• M7: 2,675,857 km (0.119 R)
• M8: 3,296,539 km (0.083 R)
• M9: 4,232,423 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.1

Radius: 11.9

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.08 AU - 1.44 AU

Year: 928 Days

Day: 14.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,576,401 km

• M1: 147,952 km (0.119 R)
• M2: 1,196,783 km (0.054 R)
• M3: 1,585,887 km (0.036 R)
• M4: 2,547,502 km (0.062 R)
• M5: 3,377,920 km (0.06 R)
• M6: 4,395,634 km (0.071 R)
• M7: 5,536,767 km (0.054 R)
• M8: 6,045,100 km (0.105 R)
• M9: 6,544,757 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.1

Radius: 12.2

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 3.17 AU - 3.73 AU

Year: 4204 Days

Day: 9.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,576,401 km

• M1: 151,842 km (0.06 R)
• M2: 711,787 km (0.107 R)
• M3: 1,318,855 km (0.12 R)
• M4: 2,443,232 km (0.03 R)
• M5: 4,212,975 km (0.062 R)
• M6: 4,881,379 km (0.118 R)
• M7: 5,970,601 km (0.092 R)
• M8: 8,369,552 km (0.114 R)
• M9: 10,408,122 km (0.119 R)
• M10: 10,872,624 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.6

Radius: 11.5

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 2.99 AU - 4.03 AU

Year: 4314 Days

Day: 9.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,576,401 km

• M1: 143,016 km (0.106 R)
• M2: 526,884 km (0.069 R)
• M3: 1,038,060 km (0.089 R)
• M4: 2,015,532 km (0.048 R)
• M5: 2,765,317 km (0.098 R)
• M6: 3,299,082 km (0.032 R)
• M7: 4,137,279 km (0.064 R)
• M8: 5,019,607 km (0.114 R)
• M9: 5,468,999 km (0.104 R)
• M10: 5,894,007 km (0.073 R)
• M11: 6,313,928 km (0.089 R)
• M12: 6,895,564 km (0.102 R)
• M13: 10,095,463 km (0.089 R)
• M14: 11,729,520 km (0.108 R)
• M15: 13,668,757 km (0.072 R)
• M16: 14,501,419 km (0.067 R)
• M17: 16,678,966 km (0.088 R)
• M18: 18,840,356 km (0.069 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 576.1

Radius: 3.7

Gravity: 42.08 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 6.44 AU - 8.12 AU

Year: 12886 Days

Day: 18.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 53,576,401 km

• M1: 50,564 km (0.106 R)
• M2: 332,855 km (0.079 R)
• M3: 672,143 km (0.12 R)
• M4: 862,581 km (0.109 R)
• M5: 1,183,768 km (0.091 R)
• M6: 1,476,980 km (0.097 R)
• M7: 2,187,270 km (0.105 R)
• M8: 2,823,959 km (0.119 R)
• M9: 3,899,717 km (0.033 R)
• M10: 4,574,852 km (0.074 R)
• M11: 5,256,420 km (0.116 R)
• M12: 5,929,162 km (0.074 R)
• M13: 6,382,444 km (0.095 R)
• M14: 6,939,995 km (0.07 R)
• M15: 7,146,889 km (0.047 R)
• M16: 7,572,794 km (0.092 R)
• M17: 7,880,965 km (0.08 R)
• M18: 9,396,541 km (0.057 R)
• M19: 10,382,691 km (0.113 R)
• M20: 10,928,573 km (0.109 R)
• M21: 11,782,927 km (0.12 R)
• M22: 14,144,628 km (0.105 R)
• M23: 15,157,705 km (0.113 R)
• M24: 17,478,716 km (0.076 R)
• M25: 18,094,012 km (0.117 R)
• M26: 19,530,750 km (0.067 R)
• M27: 21,301,091 km (0.118 R)
• M28: 24,675,271 km (0.087 R)
• M29: 25,546,828 km (0.088 R)
• M30: 26,238,569 km (0.111 R)
• M31: 32,114,773 km (0.03 R)
• M32: 41,729,428 km (0.067 R)
• M33: 42,826,430 km (0.116 R)
• M34: 43,521,611 km (0.119 R)
• M35: 47,258,416 km (0.108 R)
• M36: 48,150,169 km (0.038 R)
• M37: 48,600,159 km (0.036 R)
• M38: 52,143,983 km (0.12 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 271 - 11,039 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit