🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.56 AU - 0.64 AU

Year: 166 Days

Day: 21.2 Hours

Environment

Temp: 247 °C

Axial Tilt: 30 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 89,196,764 km

• M1: 172,786 km (0.089 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.84 AU - 1.28 AU

Year: 389 Days

Day: 15.6 Hours

Environment

Temp: 19 °C

Axial Tilt: 8.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.78

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.69 AU - 2.19 AU

Year: 963 Days

Day: 44.6 Hours

Environment

Temp: -62 °C

Axial Tilt: 20.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.14

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 3.8 AU - 3.82 AU

Year: 2651 Days

Day: 33.1 Hours

Environment

Temp: -112 °C

Axial Tilt: 38.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.86 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.3

Radius: 14.6

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 4.84 AU - 6.98 AU

Year: 5121 Days

Day: 9.2 Hours

Environment

Temp: -140 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 89,196,764 km

• M1: 240,254 km (0.105 R)
• M2: 1,015,620 km (0.074 R)
• M3: 1,910,963 km (0.061 R)
• M4: 3,150,232 km (0.106 R)
• M5: 4,004,137 km (0.098 R)
• M6: 4,664,312 km (0.099 R)
• M7: 6,141,890 km (0.099 R)
• M8: 7,195,358 km (0.106 R)
• M9: 8,251,220 km (0.091 R)
• M10: 10,267,201 km (0.085 R)
• M11: 14,125,929 km (0.096 R)
• M12: 15,195,254 km (0.116 R)
• M13: 16,561,083 km (0.069 R)
• M14: 17,558,601 km (0.056 R)
• M15: 18,137,096 km (0.082 R)
• M16: 18,928,020 km (0.119 R)
• M17: 20,579,281 km (0.059 R)
• M18: 22,324,640 km (0.026 R)
• M19: 23,387,383 km (0.099 R)
• M20: 24,009,561 km (0.088 R)
• M21: 25,860,236 km (0.073 R)
• M22: 27,717,942 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.5

Radius: 11.8

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 8.57 AU - 8.63 AU

Year: 8990 Days

Day: 11.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 89,196,764 km

• M1: 146,756 km (0.06 R)
• M2: 553,213 km (0.111 R)
• M3: 1,411,306 km (0.053 R)
• M4: 1,834,070 km (0.028 R)
• M5: 2,657,606 km (0.035 R)
• M6: 3,973,768 km (0.069 R)
• M7: 5,057,754 km (0.104 R)
• M8: 7,536,591 km (0.069 R)
• M9: 10,830,138 km (0.05 R)
• M10: 12,765,186 km (0.093 R)
• M11: 15,464,829 km (0.109 R)
• M12: 16,528,919 km (0.036 R)
• M13: 18,181,377 km (0.094 R)
• M14: 20,086,805 km (0.094 R)
• M15: 20,527,820 km (0.102 R)
• M16: 22,909,717 km (0.059 R)
• M17: 23,553,138 km (0.078 R)
• M18: 24,291,403 km (0.086 R)
• M19: 26,423,023 km (0.109 R)
• M20: 27,851,234 km (0.108 R)
• M21: 28,862,366 km (0.114 R)
• M22: 29,236,211 km (0.117 R)
• M23: 30,473,086 km (0.098 R)
• M24: 35,237,479 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 616.5

Radius: 4.5

Gravity: 30.44 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 14.23 AU - 17.63 AU

Year: 22663 Days

Day: 21.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 89,196,764 km

• M1: 92,451 km (0.086 R)
• M2: 309,368 km (0.085 R)
• M3: 763,697 km (0.095 R)
• M4: 1,052,271 km (0.096 R)
• M5: 1,363,435 km (0.086 R)
• M6: 1,524,103 km (0.119 R)
• M7: 1,697,337 km (0.105 R)
• M8: 2,275,683 km (0.095 R)
• M9: 2,923,442 km (0.089 R)
• M10: 3,686,391 km (0.109 R)
• M11: 3,904,205 km (0.071 R)
• M12: 4,263,689 km (0.061 R)
• M13: 5,925,422 km (0.113 R)
• M14: 7,134,771 km (0.036 R)
• M15: 7,327,005 km (0.082 R)
• M16: 10,271,240 km (0.115 R)
• M17: 11,536,240 km (0.098 R)
• M18: 11,935,068 km (0.073 R)
• M19: 12,481,100 km (0.099 R)
• M20: 12,690,238 km (0.108 R)
• M21: 12,972,529 km (0.026 R)
• M22: 15,543,817 km (0.095 R)
• M23: 15,867,098 km (0.079 R)
• M24: 16,779,047 km (0.096 R)
• M25: 20,293,998 km (0.073 R)
• M26: 20,777,349 km (0.112 R)
• M27: 22,787,795 km (0.111 R)
• M28: 23,415,358 km (0.048 R)
• M29: 24,486,628 km (0.103 R)
• M30: 25,255,711 km (0.118 R)
• M31: 25,702,410 km (0.107 R)
• M32: 29,714,027 km (0.107 R)
• M33: 33,583,525 km (0.11 R)
• M34: 37,341,573 km (0.068 R)
• M35: 47,857,107 km (0.042 R)
• M36: 63,002,545 km (0.104 R)
• M37: 64,443,920 km (0.107 R)
• M38: 65,486,917 km (0.114 R)
• M39: 75,846,719 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 703.4

Radius: 6.1

Gravity: 18.9 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 15.22 AU - 18.84 AU

Year: 25051 Days

Day: 21.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 89,196,764 km

• M1: 75,846 km (0.112 R)
• M2: 476,170 km (0.119 R)
• M3: 677,529 km (0.075 R)
• M4: 1,024,745 km (0.04 R)
• M5: 1,485,208 km (0.11 R)
• M6: 1,849,628 km (0.089 R)
• M7: 2,340,608 km (0.083 R)
• M8: 3,023,672 km (0.104 R)
• M9: 4,029,419 km (0.096 R)
• M10: 4,590,111 km (0.087 R)
• M11: 5,652,256 km (0.093 R)
• M12: 6,773,492 km (0.074 R)
• M13: 7,462,391 km (0.095 R)
• M14: 10,819,666 km (0.086 R)
• M15: 13,045,832 km (0.102 R)
• M16: 15,979,745 km (0.119 R)
• M17: 20,007,668 km (0.087 R)
• M18: 21,625,719 km (0.095 R)
• M19: 21,938,528 km (0.119 R)
• M20: 22,895,057 km (0.104 R)
• M21: 23,990,263 km (0.116 R)
• M22: 24,550,656 km (0.106 R)
• M23: 27,241,772 km (0.099 R)
• M24: 27,851,832 km (0.051 R)
• M25: 29,864,971 km (0.031 R)
• M26: 32,651,830 km (0.084 R)
• M27: 35,318,412 km (0.116 R)
• M28: 39,043,548 km (0.102 R)
• M29: 43,351,817 km (0.09 R)
• M30: 49,214,259 km (0.084 R)
• M31: 53,847,006 km (0.095 R)
• M32: 59,371,505 km (0.119 R)
• M33: 61,850,342 km (0.117 R)
• M34: 62,691,830 km (0.067 R)
• M35: 65,479,138 km (0.113 R)
• M36: 70,610,943 km (0.116 R)
• M37: 71,299,392 km (0.099 R)
• M38: 71,529,923 km (0.083 R)
• M39: 75,047,268 km (0.104 R)
• M40: 75,524,784 km (0.084 R)
• M41: 76,485,951 km (0.047 R)
• M42: 81,162,829 km (0.112 R)

Kuiper Belt

Range: 30.8 - 50.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 188 - 19,381 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit