🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.93 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.16

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.56 AU - 2.16 AU

Year: 900 Days

Day: 19.6 Hours

Environment

Temp: -47 °C

Axial Tilt: 22.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.52

Radius: 0.77

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2.79 AU - 3.65 AU

Year: 2050 Days

Day: 41.6 Hours

Environment

Temp: -109 °C

Axial Tilt: 142.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 49,916,428 km

• M1: 350,657 km (0.11 R)
• M2: 990,188 km (0.105 R)

Planet 3 - Terrestrial

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.36

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 4.34 AU - 5.04 AU

Year: 3603 Days

Day: 18 Hours

Environment

Temp: -132 °C

Axial Tilt: 3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,916,428 km

• M1: 106,364 km (0.09 R)

Asteroid Belt

Center: 5.19 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.1

Radius: 10.9

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 4.71 AU - 6.67 AU

Year: 4815 Days

Day: 6.6 Hours

Environment

Temp: -130 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 49,916,428 km

• M1: 135,536 km (0.093 R)
• M2: 597,195 km (0.07 R)
• M3: 1,018,014 km (0.096 R)
• M4: 1,368,073 km (0.053 R)
• M5: 1,762,113 km (0.027 R)
• M6: 2,217,190 km (0.112 R)
• M7: 2,613,475 km (0.077 R)
• M8: 3,001,382 km (0.117 R)
• M9: 3,571,649 km (0.087 R)
• M10: 4,500,203 km (0.108 R)
• M11: 5,167,858 km (0.072 R)
• M12: 6,961,387 km (0.091 R)
• M13: 7,364,853 km (0.104 R)
• M14: 13,198,721 km (0.075 R)
• M15: 13,557,756 km (0.061 R)
• M16: 14,028,840 km (0.111 R)
• M17: 15,850,942 km (0.068 R)
• M18: 16,968,886 km (0.12 R)
• M19: 17,516,415 km (0.107 R)
• M20: 19,692,017 km (0.093 R)
• M21: 20,844,668 km (0.086 R)
• M22: 22,840,603 km (0.068 R)
• M23: 23,358,810 km (0.058 R)
• M24: 24,727,481 km (0.073 R)
• M25: 28,212,662 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.6

Radius: 13.6

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 5.54 AU - 8.64 AU

Year: 6697 Days

Day: 5.3 Hours

Environment

Temp: -143 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 49,916,428 km

• M1: 169,195 km (0.053 R)
• M2: 710,889 km (0.106 R)
• M3: 1,152,951 km (0.117 R)
• M4: 1,592,918 km (0.096 R)
• M5: 2,163,335 km (0.107 R)
• M6: 2,793,591 km (0.033 R)
• M7: 4,298,695 km (0.12 R)
• M8: 5,129,561 km (0.097 R)
• M9: 5,782,107 km (0.098 R)
• M10: 6,523,215 km (0.062 R)
• M11: 7,146,589 km (0.027 R)
• M12: 9,089,417 km (0.096 R)
• M13: 9,603,884 km (0.117 R)
• M14: 11,265,468 km (0.109 R)
• M15: 12,062,376 km (0.067 R)
• M16: 14,506,805 km (0.09 R)
• M17: 15,091,882 km (0.112 R)
• M18: 15,753,703 km (0.109 R)
• M19: 16,623,914 km (0.114 R)
• M20: 17,657,485 km (0.113 R)
• M21: 18,460,377 km (0.064 R)
• M22: 19,639,358 km (0.112 R)
• M23: 23,081,156 km (0.101 R)
• M24: 23,557,925 km (0.062 R)
• M25: 29,153,334 km (0.072 R)
• M26: 29,991,980 km (0.115 R)
• M27: 33,407,448 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.9

Radius: 11.1

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 9.06 AU - 9.6 AU

Year: 10110 Days

Day: 5.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,916,428 km

• M1: 138,079 km (0.1 R)
• M2: 626,665 km (0.108 R)
• M3: 1,099,544 km (0.099 R)
• M4: 1,522,158 km (0.074 R)
• M5: 1,920,537 km (0.113 R)
• M6: 2,836,675 km (0.111 R)
• M7: 3,383,006 km (0.116 R)
• M8: 4,269,972 km (0.064 R)
• M9: 5,218,123 km (0.067 R)
• M10: 5,977,333 km (0.117 R)
• M11: 6,739,534 km (0.098 R)
• M12: 7,162,297 km (0.05 R)
• M13: 7,753,508 km (0.083 R)
• M14: 9,417,934 km (0.115 R)
• M15: 11,805,815 km (0.106 R)
• M16: 14,571,730 km (0.104 R)
• M17: 15,950,275 km (0.073 R)
• M18: 17,023,639 km (0.101 R)
• M19: 21,124,267 km (0.066 R)
• M20: 25,163,259 km (0.064 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 179.6

Radius: 5.2

Gravity: 6.64 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 13.83 AU - 16.31 AU

Year: 20754 Days

Day: 23.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,916,428 km

• M1: 78,988 km (0.068 R)
• M2: 434,283 km (0.066 R)
• M3: 797,805 km (0.091 R)
• M4: 1,194,539 km (0.081 R)
• M5: 1,955,693 km (0.086 R)
• M6: 2,508,756 km (0.082 R)
• M7: 2,672,566 km (0.112 R)
• M8: 4,457,717 km (0.106 R)
• M9: 5,012,576 km (0.053 R)
• M10: 6,484,918 km (0.11 R)
• M11: 8,223,844 km (0.108 R)
• M12: 8,633,144 km (0.085 R)
• M13: 9,056,057 km (0.052 R)
• M14: 12,411,537 km (0.111 R)
• M15: 13,755,225 km (0.101 R)
• M16: 16,584,270 km (0.078 R)
• M17: 21,862,083 km (0.097 R)
• M18: 31,662,689 km (0.097 R)
• M19: 34,153,194 km (0.083 R)
• M20: 47,272,628 km (0.12 R)

Kuiper Belt

Range: 30.9 - 51.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 228 - 10,985 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit