🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.48

Radius: 0.75

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.39 AU - 0.63 AU

Year: 154 Days

Day: 26.8 Hours

Environment

Temp: 106 °C

Axial Tilt: 33.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 58,594,253 km

• M1: 97,089 km (0.038 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.08

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.76 AU - 2 AU

Year: 1087 Days

Day: 42.1 Hours

Environment

Temp: -97 °C

Axial Tilt: 28.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821.5

Radius: 10.5

Gravity: 7.45 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 3.2 AU - 3.32 AU

Year: 2482 Days

Day: 10.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,594,253 km

• M1: 133,890 km (0.083 R)
• M2: 623,075 km (0.094 R)
• M3: 1,151,156 km (0.116 R)
• M4: 1,548,637 km (0.077 R)
• M5: 2,232,000 km (0.078 R)
• M6: 3,528,565 km (0.115 R)
• M7: 3,910,040 km (0.079 R)
• M8: 4,534,162 km (0.077 R)
• M9: 5,127,766 km (0.073 R)
• M10: 5,568,482 km (0.09 R)
• M11: 6,087,586 km (0.044 R)
• M12: 6,582,306 km (0.069 R)
• M13: 6,956,002 km (0.028 R)
• M14: 8,765,687 km (0.068 R)
• M15: 9,614,506 km (0.077 R)
• M16: 10,517,030 km (0.12 R)
• M17: 10,869,781 km (0.114 R)
• M18: 15,190,617 km (0.107 R)
• M19: 17,211,085 km (0.104 R)
• M20: 19,580,716 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.3

Radius: 10.9

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 5.21 AU - 8.37 AU

Year: 7462 Days

Day: 8.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,594,253 km

• M1: 144,811 km (0.118 R)
• M2: 547,379 km (0.116 R)
• M3: 922,570 km (0.077 R)
• M4: 1,669,363 km (0.11 R)
• M5: 2,126,833 km (0.104 R)
• M6: 2,762,624 km (0.086 R)
• M7: 3,125,997 km (0.114 R)
• M8: 3,636,874 km (0.112 R)
• M9: 6,677,002 km (0.086 R)
• M10: 7,075,231 km (0.111 R)
• M11: 10,228,156 km (0.114 R)
• M12: 13,574,511 km (0.076 R)
• M13: 16,848,909 km (0.081 R)
• M14: 17,452,985 km (0.104 R)
• M15: 22,093,362 km (0.106 R)
• M16: 22,493,536 km (0.088 R)
• M17: 24,312,197 km (0.115 R)
• M18: 27,588,690 km (0.051 R)
• M19: 31,652,067 km (0.087 R)
• M20: 32,058,674 km (0.094 R)
• M21: 34,465,105 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.4

Radius: 11.4

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 5.56 AU - 8.5 AU

Year: 7861 Days

Day: 7.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 58,594,253 km

• M1: 141,819 km (0.083 R)
• M2: 538,104 km (0.105 R)
• M3: 1,081,293 km (0.103 R)
• M4: 1,730,399 km (0.082 R)
• M5: 2,087,638 km (0.094 R)
• M6: 2,462,830 km (0.036 R)
• M7: 2,848,044 km (0.108 R)
• M8: 3,254,202 km (0.105 R)
• M9: 5,393,003 km (0.08 R)
• M10: 6,629,729 km (0.095 R)
• M11: 8,750,578 km (0.082 R)
• M12: 9,414,643 km (0.104 R)
• M13: 10,667,974 km (0.115 R)
• M14: 12,029,464 km (0.094 R)
• M15: 15,260,628 km (0.108 R)
• M16: 18,143,529 km (0.113 R)
• M17: 20,888,500 km (0.108 R)
• M18: 22,145,422 km (0.072 R)
• M19: 23,011,144 km (0.065 R)
• M20: 24,886,803 km (0.047 R)
• M21: 25,901,525 km (0.079 R)
• M22: 27,187,917 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.6

Radius: 12.8

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 8.86 AU - 9.68 AU

Year: 11904 Days

Day: 10.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 58,594,253 km

• M1: 159,172 km (0.047 R)
• M2: 1,035,217 km (0.109 R)
• M3: 1,547,889 km (0.108 R)
• M4: 2,325,349 km (0.073 R)
• M5: 2,917,009 km (0.086 R)
• M6: 4,559,294 km (0.1 R)
• M7: 5,179,228 km (0.055 R)
• M8: 6,311,235 km (0.034 R)
• M9: 7,601,965 km (0.059 R)
• M10: 8,523,638 km (0.104 R)
• M11: 10,097,707 km (0.092 R)
• M12: 13,682,072 km (0.08 R)
• M13: 14,284,353 km (0.057 R)
• M14: 15,185,829 km (0.12 R)
• M15: 16,948,990 km (0.12 R)
• M16: 17,959,224 km (0.119 R)
• M17: 19,091,680 km (0.09 R)
• M18: 20,443,447 km (0.09 R)
• M19: 21,409,250 km (0.071 R)
• M20: 26,391,009 km (0.095 R)
• M21: 35,360,000 km (0.098 R)
• M22: 39,373,112 km (0.116 R)
• M23: 41,004,926 km (0.11 R)
• M24: 41,558,737 km (0.073 R)
• M25: 43,824,247 km (0.085 R)
• M26: 46,770,278 km (0.095 R)
• M27: 50,635,438 km (0.12 R)
• M28: 51,915,996 km (0.113 R)
• M29: 56,910,620 km (0.111 R)
• M30: 58,294,700 km (0.068 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 350.3

Radius: 7.7

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 10.95 AU - 14.03 AU

Year: 18617 Days

Day: 21.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,594,253 km

• M1: 104,868 km (0.069 R)
• M2: 782,098 km (0.078 R)
• M3: 1,044,792 km (0.081 R)
• M4: 1,837,810 km (0.104 R)
• M5: 2,176,948 km (0.112 R)
• M6: 2,432,761 km (0.029 R)
• M7: 2,797,630 km (0.057 R)
• M8: 3,198,851 km (0.034 R)
• M9: 6,500,327 km (0.06 R)
• M10: 6,826,001 km (0.116 R)
• M11: 7,868,549 km (0.096 R)
• M12: 12,983,749 km (0.075 R)
• M13: 14,854,021 km (0.115 R)
• M14: 15,563,414 km (0.067 R)
• M15: 22,256,124 km (0.105 R)
• M16: 24,527,319 km (0.066 R)
• M17: 37,707,340 km (0.114 R)
• M18: 39,830,732 km (0.114 R)
• M19: 43,163,474 km (0.05 R)
• M20: 49,904,952 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 262.5

Radius: 3.6

Gravity: 20.25 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 13.71 AU - 14.07 AU

Year: 21833 Days

Day: 18.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 58,594,253 km

• M1: 59,390 km (0.049 R)
• M2: 176,376 km (0.106 R)
• M3: 452,683 km (0.074 R)
• M4: 702,811 km (0.097 R)
• M5: 1,134,401 km (0.11 R)
• M6: 1,857,407 km (0.105 R)
• M7: 3,934,274 km (0.025 R)
• M8: 4,830,964 km (0.032 R)
• M9: 5,344,534 km (0.049 R)
• M10: 6,007,850 km (0.103 R)
• M11: 6,319,612 km (0.054 R)
• M12: 7,363,506 km (0.1 R)
• M13: 7,496,050 km (0.114 R)
• M14: 8,229,828 km (0.104 R)
• M15: 8,910,348 km (0.081 R)
• M16: 11,766,471 km (0.057 R)
• M17: 15,107,141 km (0.115 R)
• M18: 16,497,803 km (0.076 R)
• M19: 19,784,917 km (0.038 R)
• M20: 23,482,976 km (0.081 R)
• M21: 28,259,187 km (0.069 R)
• M22: 29,686,052 km (0.104 R)
• M23: 37,807,571 km (0.119 R)
• M24: 40,080,710 km (0.059 R)
• M25: 42,727,396 km (0.051 R)
• M26: 43,731,048 km (0.106 R)
• M27: 46,534,362 km (0.076 R)
• M28: 52,007,700 km (0.107 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 460 - 13,264 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit