🌌 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 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.74

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.61 AU - 0.73 AU

Year: 354 Days

Day: 47.5 Hours

Environment

Temp: -132 °C

Axial Tilt: 28.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.1

Radius: 14.8

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.55 AU - 0.87 AU

Year: 386 Days

Day: 13.6 Hours

Environment

Temp: -142 °C

Axial Tilt: 140.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,876,067 km

• M1: 184,005 km (0.117 R)
• M2: 693,985 km (0.057 R)
• M3: 1,203,365 km (0.038 R)
• M4: 2,096,165 km (0.045 R)
• M5: 3,000,634 km (0.119 R)
• M6: 3,568,657 km (0.111 R)
• M7: 4,651,895 km (0.094 R)
• M8: 5,174,590 km (0.051 R)
• M9: 5,719,426 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581

Radius: 13.6

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.55 AU - 0.87 AU

Year: 386 Days

Day: 5.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,876,067 km

• M1: 171,738 km (0.106 R)
• M2: 605,123 km (0.113 R)
• M3: 1,031,178 km (0.099 R)
• M4: 1,477,728 km (0.12 R)
• M5: 1,987,109 km (0.046 R)
• M6: 2,441,138 km (0.115 R)
• M7: 3,529,163 km (0.084 R)
• M8: 4,074,747 km (0.062 R)
• M9: 4,579,041 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.3

Radius: 13.9

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.99 AU - 1.01 AU

Year: 646 Days

Day: 6.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 75,876,067 km

• M1: 173,384 km (0.11 R)
• M2: 961,914 km (0.061 R)
• M3: 1,633,908 km (0.081 R)
• M4: 2,532,094 km (0.103 R)
• M5: 3,099,369 km (0.061 R)
• M6: 4,018,199 km (0.077 R)
• M7: 4,914,290 km (0.038 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.4

Radius: 14.4

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.31 AU - 2.43 AU

Year: 2356 Days

Day: 6.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 75,876,067 km

• M1: 179,218 km (0.107 R)
• M2: 656,735 km (0.107 R)
• M3: 1,196,633 km (0.112 R)
• M4: 2,077,166 km (0.034 R)
• M5: 3,358,622 km (0.117 R)
• M6: 4,040,638 km (0.079 R)
• M7: 4,501,849 km (0.038 R)
• M8: 5,431,899 km (0.04 R)
• M9: 6,022,661 km (0.077 R)
• M10: 6,599,360 km (0.049 R)
• M11: 7,273,000 km (0.117 R)
• M12: 7,800,183 km (0.069 R)
• M13: 9,464,459 km (0.119 R)
• M14: 10,990,208 km (0.11 R)
• M15: 11,478,345 km (0.106 R)
• M16: 12,194,919 km (0.118 R)
• M17: 12,985,993 km (0.052 R)
• M18: 13,764,201 km (0.096 R)
• M19: 15,820,872 km (0.087 R)
• M20: 16,549,863 km (0.118 R)
• M21: 18,642,139 km (0.093 R)
• M22: 20,353,538 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 496.4

Radius: 3.1

Gravity: 51.65 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 8.39 AU - 13.51 AU

Year: 23396 Days

Day: 21.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 75,876,067 km

• M1: 38,596 km (0.074 R)
• M2: 136,732 km (0.073 R)
• M3: 890,855 km (0.091 R)
• M4: 997,818 km (0.1 R)
• M5: 1,402,480 km (0.116 R)
• M6: 1,739,225 km (0.032 R)
• M7: 2,617,963 km (0.115 R)
• M8: 3,045,663 km (0.108 R)
• M9: 3,152,775 km (0.075 R)
• M10: 4,537,154 km (0.053 R)
• M11: 5,227,249 km (0.11 R)
• M12: 6,676,553 km (0.085 R)
• M13: 7,372,183 km (0.091 R)
• M14: 8,425,502 km (0.104 R)
• M15: 10,763,567 km (0.112 R)
• M16: 12,450,732 km (0.079 R)
• M17: 13,500,011 km (0.075 R)
• M18: 14,009,392 km (0.102 R)
• M19: 14,231,545 km (0.117 R)
• M20: 16,915,779 km (0.1 R)
• M21: 17,507,439 km (0.104 R)
• M22: 20,673,827 km (0.061 R)
• M23: 25,060,336 km (0.118 R)
• M24: 27,296,525 km (0.103 R)
• M25: 27,411,715 km (0.077 R)
• M26: 29,419,618 km (0.097 R)
• M27: 29,540,643 km (0.083 R)
• M28: 29,905,811 km (0.095 R)
• M29: 37,429,387 km (0.112 R)
• M30: 38,721,913 km (0.039 R)
• M31: 39,013,180 km (0.08 R)
• M32: 43,558,412 km (0.079 R)
• M33: 56,999,332 km (0.112 R)
• M34: 57,754,652 km (0.115 R)
• M35: 61,038,923 km (0.116 R)
• M36: 63,027,976 km (0.047 R)
• M37: 63,632,950 km (0.076 R)
• M38: 75,195,519 km (0.089 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 157 - 19,093 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit