🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.67 AU - 0.73 AU

Year: 217 Days

Day: 46.7 Hours

Environment

Temp: 133 °C

Axial Tilt: 22.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.63

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.18 AU - 1.5 AU

Year: 575 Days

Day: 40.6 Hours

Environment

Temp: -30 °C

Axial Tilt: 37.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,893,719 km

• M1: 35,006 km (0.114 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.36

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.15 AU - 2.45 AU

Year: 1294 Days

Day: 21.5 Hours

Environment

Temp: -75 °C

Axial Tilt: 34.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.36

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 3.36 AU - 5.58 AU

Year: 3505 Days

Day: 15.9 Hours

Environment

Temp: -130 °C

Axial Tilt: 35.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.6

Radius: 9.8

Gravity: 6.57 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 5.31 AU - 5.39 AU

Year: 4589 Days

Day: 14.9 Hours

Environment

Temp: -141 °C

Axial Tilt: 72.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 55,893,719 km

• M1: 122,221 km (0.107 R)
• M2: 508,483 km (0.105 R)
• M3: 1,044,044 km (0.092 R)
• M4: 2,153,611 km (0.078 R)
• M5: 3,195,560 km (0.094 R)
• M6: 3,721,546 km (0.069 R)
• M7: 4,141,467 km (0.097 R)
• M8: 5,794,524 km (0.104 R)
• M9: 6,995,496 km (0.076 R)
• M10: 8,171,484 km (0.108 R)
• M11: 8,922,167 km (0.115 R)
• M12: 11,634,974 km (0.048 R)
• M13: 13,636,744 km (0.12 R)
• M14: 14,263,559 km (0.11 R)
• M15: 14,855,069 km (0.078 R)
• M16: 15,462,735 km (0.109 R)
• M17: 16,905,457 km (0.08 R)
• M18: 23,728,317 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.5

Radius: 12.2

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 7.9 AU - 8.06 AU

Year: 8360 Days

Day: 13.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,893,719 km

• M1: 151,991 km (0.084 R)
• M2: 701,165 km (0.098 R)
• M3: 1,239,269 km (0.086 R)
• M4: 2,108,582 km (0.104 R)
• M5: 2,598,964 km (0.104 R)
• M6: 4,761,102 km (0.085 R)
• M7: 5,326,283 km (0.115 R)
• M8: 5,810,381 km (0.089 R)
• M9: 7,121,756 km (0.062 R)
• M10: 8,427,446 km (0.101 R)
• M11: 9,463,561 km (0.105 R)
• M12: 9,886,774 km (0.061 R)
• M13: 10,470,654 km (0.069 R)
• M14: 10,961,934 km (0.066 R)
• M15: 12,697,718 km (0.094 R)
• M16: 14,194,744 km (0.076 R)
• M17: 15,464,829 km (0.112 R)
• M18: 16,152,680 km (0.061 R)
• M19: 17,066,723 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947.6

Radius: 8.5

Gravity: 13.12 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 9.02 AU - 10.72 AU

Year: 11500 Days

Day: 11 Hours

Environment

Temp: -182 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 55,893,719 km

• M1: 108,608 km (0.11 R)
• M2: 494,571 km (0.105 R)
• M3: 1,053,319 km (0.117 R)
• M4: 1,577,659 km (0.116 R)
• M5: 2,266,557 km (0.049 R)
• M6: 2,881,554 km (0.079 R)
• M7: 3,291,303 km (0.085 R)
• M8: 3,794,849 km (0.107 R)
• M9: 4,989,089 km (0.111 R)
• M10: 5,509,540 km (0.104 R)
• M11: 7,032,446 km (0.031 R)
• M12: 9,116,793 km (0.06 R)
• M13: 12,246,530 km (0.113 R)
• M14: 14,187,264 km (0.064 R)
• M15: 20,349,499 km (0.119 R)
• M16: 21,765,443 km (0.112 R)
• M17: 22,129,564 km (0.107 R)
• M18: 23,340,709 km (0.074 R)
• M19: 27,450,012 km (0.065 R)
• M20: 31,900,250 km (0.062 R)
• M21: 39,307,439 km (0.074 R)
• M22: 47,478,475 km (0.102 R)
• M23: 49,175,662 km (0.114 R)
• M24: 55,181,269 km (0.071 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.7

Radius: 12

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 8.85 AU - 11.41 AU

Year: 11957 Days

Day: 6.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 55,893,719 km

• M1: 149,299 km (0.096 R)
• M2: 537,655 km (0.065 R)
• M3: 1,095,505 km (0.093 R)
• M4: 1,762,113 km (0.118 R)
• M5: 2,478,388 km (0.061 R)
• M6: 3,159,956 km (0.065 R)
• M7: 4,191,433 km (0.054 R)
• M8: 5,717,930 km (0.052 R)
• M9: 6,788,153 km (0.087 R)
• M10: 7,201,193 km (0.076 R)
• M11: 8,590,059 km (0.082 R)
• M12: 10,364,440 km (0.099 R)
• M13: 10,857,813 km (0.111 R)
• M14: 11,366,745 km (0.071 R)
• M15: 12,010,315 km (0.108 R)
• M16: 14,899,798 km (0.104 R)
• M17: 16,102,864 km (0.09 R)
• M18: 20,269,913 km (0.064 R)
• M19: 20,955,819 km (0.061 R)
• M20: 25,203,950 km (0.04 R)
• M21: 26,298,857 km (0.104 R)
• M22: 29,228,881 km (0.06 R)
• M23: 31,110,373 km (0.079 R)
• M24: 32,370,137 km (0.1 R)
• M25: 34,625,474 km (0.107 R)
• M26: 37,879,078 km (0.047 R)
• M27: 38,397,136 km (0.114 R)
• M28: 43,698,436 km (0.085 R)
• M29: 45,714,865 km (0.077 R)
• M30: 46,894,445 km (0.077 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 280 - 13,391 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit