🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.69

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.49 AU - 0.53 AU

Year: 235 Days

Day: 26.3 Hours

Environment

Temp: -125 °C

Axial Tilt: 25.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 62,608,497 km

• M1: 144,063 km (0.106 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.47 AU - 0.59 AU

Year: 249 Days

Day: 29.8 Hours

Environment

Temp: -114 °C

Axial Tilt: 36.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.2

Radius: 10

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.82 AU - 1.16 AU

Year: 636 Days

Day: 7.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,608,497 km

• M1: 124,316 km (0.107 R)
• M2: 458,817 km (0.072 R)
• M3: 827,426 km (0.12 R)
• M4: 1,237,623 km (0.053 R)
• M5: 1,983,219 km (0.055 R)
• M6: 2,441,437 km (0.062 R)
• M7: 2,822,164 km (0.044 R)
• M8: 3,181,648 km (0.09 R)
• M9: 4,079,235 km (0.058 R)
• M10: 4,525,485 km (0.099 R)
• M11: 5,137,191 km (0.043 R)
• M12: 5,858,103 km (0.113 R)
• M13: 6,349,382 km (0.106 R)
• M14: 6,725,471 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814.6

Radius: 11.4

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.64 AU - 3.28 AU

Year: 3288 Days

Day: 8.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 62,608,497 km

• M1: 141,968 km (0.098 R)
• M2: 508,633 km (0.111 R)
• M3: 1,254,528 km (0.082 R)
• M4: 1,949,260 km (0.064 R)
• M5: 2,362,749 km (0.051 R)
• M6: 2,868,689 km (0.111 R)
• M7: 3,702,248 km (0.057 R)
• M8: 4,165,104 km (0.088 R)
• M9: 4,525,934 km (0.057 R)
• M10: 6,476,241 km (0.101 R)
• M11: 6,931,468 km (0.113 R)
• M12: 7,343,161 km (0.103 R)
• M13: 8,426,698 km (0.059 R)
• M14: 9,497,969 km (0.028 R)
• M15: 10,166,970 km (0.046 R)
• M16: 10,616,512 km (0.073 R)
• M17: 12,502,193 km (0.097 R)
• M18: 13,893,902 km (0.083 R)
• M19: 15,174,310 km (0.08 R)
• M20: 15,870,539 km (0.029 R)
• M21: 16,812,856 km (0.071 R)
• M22: 18,748,204 km (0.073 R)
• M23: 21,889,460 km (0.046 R)
• M24: 22,778,370 km (0.117 R)
• M25: 23,196,795 km (0.093 R)
• M26: 23,762,575 km (0.092 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 432.5

Radius: 4.8

Gravity: 18.77 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 7.39 AU - 11.53 AU

Year: 18787 Days

Day: 21.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 62,608,497 km

• M1: 60,138 km (0.071 R)
• M2: 315,951 km (0.12 R)
• M3: 475,272 km (0.083 R)
• M4: 781,649 km (0.1 R)
• M5: 1,037,012 km (0.11 R)
• M6: 1,553,873 km (0.097 R)
• M7: 1,748,500 km (0.118 R)
• M8: 1,959,433 km (0.109 R)
• M9: 2,411,218 km (0.117 R)
• M10: 2,929,575 km (0.08 R)
• M11: 3,151,578 km (0.063 R)
• M12: 4,123,217 km (0.094 R)
• M13: 4,339,086 km (0.1 R)
• M14: 5,315,512 km (0.117 R)
• M15: 7,600,170 km (0.099 R)
• M16: 9,059,049 km (0.066 R)
• M17: 11,521,729 km (0.047 R)
• M18: 12,710,882 km (0.074 R)
• M19: 13,301,794 km (0.112 R)
• M20: 14,397,149 km (0.085 R)
• M21: 15,330,341 km (0.081 R)
• M22: 15,774,497 km (0.088 R)
• M23: 18,206,210 km (0.051 R)
• M24: 21,330,562 km (0.115 R)
• M25: 22,636,252 km (0.108 R)
• M26: 27,085,891 km (0.085 R)
• M27: 31,369,477 km (0.076 R)
• M28: 33,177,666 km (0.09 R)
• M29: 33,795,655 km (0.12 R)
• M30: 37,798,595 km (0.057 R)
• M31: 38,880,636 km (0.111 R)
• M32: 39,983,172 km (0.114 R)
• M33: 48,924,637 km (0.086 R)
• M34: 51,351,264 km (0.106 R)
• M35: 56,969,861 km (0.066 R)
• M36: 59,110,457 km (0.067 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 428 - 13,974 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit