🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.61

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.38 AU - 0.62 AU

Year: 232 Days

Day: 13.7 Hours

Environment

Temp: -111 °C

Axial Tilt: 1.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.88 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.1

Radius: 9.5

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.04 AU - 1.46 AU

Year: 917 Days

Day: 10.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,354,725 km

• M1: 118,631 km (0.094 R)
• M2: 426,354 km (0.097 R)
• M3: 832,662 km (0.119 R)
• M4: 1,133,952 km (0.045 R)
• M5: 1,436,888 km (0.079 R)
• M6: 1,794,875 km (0.115 R)
• M7: 2,154,359 km (0.042 R)
• M8: 2,476,443 km (0.04 R)
• M9: 3,106,101 km (0.105 R)
• M10: 3,882,214 km (0.082 R)
• M11: 4,425,554 km (0.116 R)
• M12: 5,087,973 km (0.117 R)
• M13: 5,443,268 km (0.092 R)
• M14: 6,840,811 km (0.079 R)
• M15: 7,230,215 km (0.092 R)
• M16: 7,634,279 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.8

Radius: 9.3

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.26 AU - 1.9 AU

Year: 1303 Days

Day: 8.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,354,725 km

• M1: 115,639 km (0.107 R)
• M2: 434,432 km (0.11 R)
• M3: 984,653 km (0.079 R)
• M4: 1,278,463 km (0.044 R)
• M5: 1,599,351 km (0.073 R)
• M6: 1,900,491 km (0.032 R)
• M7: 2,301,862 km (0.043 R)
• M8: 2,630,978 km (0.114 R)
• M9: 3,157,861 km (0.118 R)
• M10: 3,467,679 km (0.105 R)
• M11: 3,887,450 km (0.109 R)
• M12: 4,656,832 km (0.105 R)
• M13: 5,717,780 km (0.118 R)
• M14: 6,305,251 km (0.089 R)
• M15: 6,821,364 km (0.047 R)
• M16: 7,816,489 km (0.115 R)
• M17: 8,958,369 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.5

Radius: 8.2

Gravity: 14.78 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 2.42 AU - 3.34 AU

Year: 3206 Days

Day: 14.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 53,354,725 km

• M1: 102,026 km (0.101 R)
• M2: 406,009 km (0.063 R)
• M3: 841,638 km (0.091 R)
• M4: 1,105,827 km (0.034 R)
• M5: 1,569,282 km (0.116 R)
• M6: 1,990,998 km (0.036 R)
• M7: 2,730,311 km (0.062 R)
• M8: 3,479,796 km (0.096 R)
• M9: 3,765,079 km (0.102 R)
• M10: 4,914,589 km (0.039 R)
• M11: 6,048,092 km (0.115 R)
• M12: 6,371,822 km (0.118 R)
• M13: 7,956,961 km (0.077 R)
• M14: 9,200,867 km (0.08 R)
• M15: 9,829,029 km (0.113 R)
• M16: 10,235,935 km (0.111 R)
• M17: 10,611,725 km (0.1 R)
• M18: 12,069,107 km (0.067 R)
• M19: 13,111,954 km (0.109 R)
• M20: 13,806,088 km (0.061 R)
• M21: 16,772,016 km (0.11 R)
• M22: 18,928,170 km (0.077 R)
• M23: 20,860,974 km (0.108 R)
• M24: 22,220,370 km (0.111 R)
• M25: 22,992,594 km (0.097 R)
• M26: 24,001,333 km (0.049 R)
• M27: 24,368,596 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55.5

Radius: 13.2

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 4.74 AU - 6.74 AU

Year: 9021 Days

Day: 5.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,354,725 km

• M1: 164,109 km (0.097 R)
• M2: 994,527 km (0.113 R)
• M3: 1,890,618 km (0.096 R)
• M4: 3,170,876 km (0.101 R)
• M5: 6,069,335 km (0.109 R)
• M6: 7,572,345 km (0.077 R)
• M7: 9,101,834 km (0.109 R)
• M8: 10,712,255 km (0.116 R)
• M9: 13,929,656 km (0.054 R)
• M10: 14,873,170 km (0.074 R)
• M11: 17,688,303 km (0.089 R)
• M12: 19,192,808 km (0.084 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 915.9

Radius: 3.6

Gravity: 70.67 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 6.21 AU - 9.63 AU

Year: 14622 Days

Day: 19.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 53,354,725 km

• M1: 82,279 km (0.062 R)
• M2: 421,716 km (0.086 R)
• M3: 1,720,076 km (0.056 R)
• M4: 1,935,946 km (0.101 R)
• M5: 2,050,538 km (0.096 R)
• M6: 2,532,542 km (0.1 R)
• M7: 3,405,147 km (0.072 R)
• M8: 4,171,237 km (0.073 R)
• M9: 6,661,892 km (0.076 R)
• M10: 9,384,723 km (0.066 R)
• M11: 9,714,437 km (0.082 R)
• M12: 11,049,748 km (0.046 R)
• M13: 16,246,927 km (0.068 R)
• M14: 16,962,753 km (0.119 R)
• M15: 18,286,993 km (0.071 R)
• M16: 19,589,542 km (0.11 R)
• M17: 19,857,173 km (0.094 R)
• M18: 20,127,346 km (0.102 R)
• M19: 20,952,678 km (0.03 R)
• M20: 21,991,485 km (0.085 R)
• M21: 24,790,013 km (0.088 R)
• M22: 26,928,365 km (0.086 R)
• M23: 38,218,067 km (0.071 R)
• M24: 38,357,044 km (0.032 R)
• M25: 41,647,449 km (0.061 R)
• M26: 49,935,320 km (0.085 R)
• M27: 52,982,031 km (0.09 R)
• M28: 58,331,351 km (0.099 R)
• M29: 63,249,232 km (0.096 R)
• M30: 63,443,709 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 360

Radius: 6.2

Gravity: 9.37 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 6.88 AU - 10.08 AU

Year: 16200 Days

Day: 22.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 53,354,725 km

• M1: 77,193 km (0.105 R)
• M2: 377,585 km (0.112 R)
• M3: 1,363,136 km (0.116 R)
• M4: 1,889,122 km (0.116 R)
• M5: 2,322,507 km (0.063 R)
• M6: 2,646,536 km (0.084 R)
• M7: 4,081,030 km (0.079 R)
• M8: 4,584,576 km (0.119 R)
• M9: 5,608,574 km (0.063 R)
• M10: 6,006,055 km (0.079 R)
• M11: 6,345,194 km (0.096 R)
• M12: 7,186,083 km (0.104 R)
• M13: 8,701,659 km (0.096 R)
• M14: 12,591,204 km (0.111 R)
• M15: 13,783,349 km (0.025 R)
• M16: 14,174,847 km (0.057 R)
• M17: 15,117,463 km (0.091 R)
• M18: 26,046,934 km (0.074 R)
• M19: 29,993,326 km (0.097 R)
• M20: 32,222,185 km (0.118 R)
• M21: 34,798,858 km (0.104 R)
• M22: 36,756,945 km (0.098 R)
• M23: 40,093,426 km (0.076 R)
• M24: 44,046,849 km (0.044 R)
• M25: 51,148,260 km (0.1 R)
• M26: 53,035,736 km (0.119 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 311 - 14,448 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit