🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.93

Radius: 0.97

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.88 AU - 0.92 AU

Year: 306 Days

Day: 24.5 Hours

Environment

Temp: 85 °C

Axial Tilt: 37.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.27

Radius: 0.59

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.89 AU - 1.43 AU

Year: 447 Days

Day: 33.6 Hours

Environment

Temp: 19 °C

Axial Tilt: 28.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 1.66 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Terrestrial

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.36

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.65 AU - 2.67 AU

Year: 1137 Days

Day: 19 Hours

Environment

Temp: -61 °C

Axial Tilt: 1.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 112,690,122 km

• M1: 95,743 km (0.113 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.32

Radius: 0.63

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 3.95 AU - 4.15 AU

Year: 2919 Days

Day: 15.5 Hours

Environment

Temp: -126 °C

Axial Tilt: 0.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.85

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 4.65 AU - 5.31 AU

Year: 3980 Days

Day: 36.9 Hours

Environment

Temp: -130 °C

Axial Tilt: 32.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 112,690,122 km

• M1: 997,519 km (0.097 R)

Asteroid Belt

Center: 6.76 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 8.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.2

Radius: 12.2

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 6.73 AU - 10.33 AU

Year: 8923 Days

Day: 13.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 112,690,122 km

• M1: 151,842 km (0.082 R)
• M2: 636,838 km (0.069 R)
• M3: 1,600,847 km (0.098 R)
• M4: 2,008,052 km (0.087 R)
• M5: 2,432,461 km (0.089 R)
• M6: 3,099,518 km (0.063 R)
• M7: 3,602,018 km (0.062 R)
• M8: 4,158,522 km (0.099 R)
• M9: 4,884,670 km (0.113 R)
• M10: 5,693,545 km (0.105 R)
• M11: 7,200,744 km (0.09 R)
• M12: 8,830,762 km (0.096 R)
• M13: 9,755,277 km (0.1 R)
• M14: 10,170,710 km (0.096 R)
• M15: 11,590,693 km (0.116 R)
• M16: 22,353,811 km (0.057 R)
• M17: 22,754,135 km (0.087 R)
• M18: 23,240,777 km (0.053 R)
• M19: 27,387,630 km (0.107 R)
• M20: 28,123,652 km (0.093 R)
• M21: 30,804,146 km (0.025 R)
• M22: 31,300,213 km (0.084 R)
• M23: 34,601,688 km (0.107 R)
• M24: 35,462,026 km (0.112 R)
• M25: 36,116,516 km (0.074 R)
• M26: 36,557,381 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.9

Radius: 11.7

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 8.98 AU - 9.68 AU

Year: 10207 Days

Day: 9.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 112,690,122 km

• M1: 145,559 km (0.086 R)
• M2: 612,603 km (0.059 R)
• M3: 980,464 km (0.06 R)
• M4: 1,542,803 km (0.114 R)
• M5: 2,141,344 km (0.047 R)
• M6: 2,747,514 km (0.098 R)
• M7: 3,441,948 km (0.098 R)
• M8: 4,670,595 km (0.032 R)
• M9: 5,180,724 km (0.095 R)
• M10: 5,964,018 km (0.041 R)
• M11: 6,384,538 km (0.053 R)
• M12: 6,750,006 km (0.078 R)
• M13: 8,441,060 km (0.066 R)
• M14: 8,972,282 km (0.101 R)
• M15: 10,549,043 km (0.082 R)
• M16: 14,244,111 km (0.117 R)
• M17: 14,934,355 km (0.069 R)
• M18: 15,320,168 km (0.086 R)
• M19: 16,111,691 km (0.115 R)
• M20: 18,948,216 km (0.092 R)
• M21: 20,563,424 km (0.104 R)
• M22: 21,690,046 km (0.095 R)
• M23: 24,330,598 km (0.036 R)
• M24: 27,273,936 km (0.111 R)
• M25: 27,948,173 km (0.101 R)
• M26: 28,831,250 km (0.112 R)
• M27: 31,486,911 km (0.102 R)
• M28: 43,094,659 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 590.5

Radius: 7.3

Gravity: 11.08 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 14.04 AU - 21.92 AU

Year: 27306 Days

Day: 21.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 112,690,122 km

• M1: 92,601 km (0.071 R)
• M2: 391,198 km (0.069 R)
• M3: 1,146,069 km (0.099 R)
• M4: 1,785,451 km (0.105 R)
• M5: 2,087,339 km (0.117 R)
• M6: 2,376,362 km (0.11 R)
• M7: 3,467,978 km (0.085 R)
• M8: 4,073,849 km (0.072 R)
• M9: 5,703,718 km (0.092 R)
• M10: 7,623,208 km (0.065 R)
• M11: 9,632,308 km (0.094 R)
• M12: 13,420,575 km (0.115 R)
• M13: 15,978,549 km (0.118 R)
• M14: 18,939,390 km (0.103 R)
• M15: 19,708,622 km (0.09 R)
• M16: 27,471,854 km (0.062 R)
• M17: 28,084,906 km (0.082 R)
• M18: 36,904,448 km (0.101 R)
• M19: 38,254,719 km (0.076 R)
• M20: 45,674,474 km (0.061 R)
• M21: 47,580,800 km (0.081 R)
• M22: 50,264,885 km (0.09 R)
• M23: 55,932,699 km (0.115 R)
• M24: 68,741,867 km (0.103 R)
• M25: 72,398,488 km (0.077 R)
• M26: 74,986,232 km (0.111 R)
• M27: 81,346,685 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 999

Radius: 7.5

Gravity: 17.76 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 14.42 AU - 23.74 AU

Year: 29850 Days

Day: 16.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 112,690,122 km

• M1: 93,349 km (0.061 R)
• M2: 364,121 km (0.05 R)
• M3: 865,573 km (0.113 R)
• M4: 1,769,444 km (0.099 R)
• M5: 2,049,491 km (0.09 R)
• M6: 2,754,994 km (0.097 R)
• M7: 3,256,596 km (0.081 R)
• M8: 3,680,108 km (0.118 R)
• M9: 3,922,905 km (0.063 R)
• M10: 5,173,394 km (0.059 R)
• M11: 5,936,492 km (0.051 R)
• M12: 6,320,660 km (0.085 R)
• M13: 9,361,386 km (0.113 R)
• M14: 9,619,442 km (0.097 R)
• M15: 11,268,759 km (0.079 R)
• M16: 13,178,675 km (0.111 R)
• M17: 14,854,321 km (0.096 R)
• M18: 16,016,846 km (0.09 R)
• M19: 18,220,123 km (0.103 R)
• M20: 19,031,692 km (0.117 R)
• M21: 21,835,754 km (0.097 R)
• M22: 23,218,338 km (0.11 R)
• M23: 23,572,884 km (0.085 R)
• M24: 27,188,815 km (0.099 R)
• M25: 27,582,706 km (0.088 R)
• M26: 34,262,400 km (0.108 R)
• M27: 56,030,536 km (0.094 R)
• M28: 59,049,720 km (0.116 R)
• M29: 62,175,568 km (0.093 R)
• M30: 65,645,191 km (0.12 R)
• M31: 73,728,413 km (0.115 R)
• M32: 73,983,328 km (0.093 R)
• M33: 77,612,273 km (0.107 R)
• M34: 80,545,588 km (0.084 R)
• M35: 84,663,569 km (0.05 R)
• M36: 97,548,433 km (0.063 R)
• M37: 97,855,558 km (0.073 R)
• M38: 100,335,741 km (0.102 R)
• M39: 100,648,550 km (0.119 R)
• M40: 104,133,881 km (0.061 R)
• M41: 110,675,497 km (0.065 R)

Kuiper Belt

Range: 30.6 - 45.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 345 - 19,714 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit