🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.13

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.75 AU - 0.93 AU

Year: 286 Days

Day: 34.8 Hours

Environment

Temp: 148 °C

Axial Tilt: 18.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 65,424,908 km

• M1: 34,408 km (0.059 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.76

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.86 AU - 1.12 AU

Year: 365 Days

Day: 21.9 Hours

Environment

Temp: 12 °C

Axial Tilt: 26.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.4

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1 AU - 1.08 AU

Year: 393 Days

Day: 25.6 Hours

Environment

Temp: 16 °C

Axial Tilt: 14.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.87

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.12 AU - 1.2 AU

Year: 463 Days

Day: 16.7 Hours

Environment

Temp: -6 °C

Axial Tilt: 26.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 1.52 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Terrestrial

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.95

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.51 AU - 2.23 AU

Year: 948 Days

Day: 32.2 Hours

Environment

Temp: -59 °C

Axial Tilt: 3.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 65,424,908 km

• M1: 52,808 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.2

Radius: 10.9

Gravity: 7.12 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 5.11 AU - 6.61 AU

Year: 5261 Days

Day: 9.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 65,424,908 km

• M1: 135,536 km (0.1 R)
• M2: 563,236 km (0.101 R)
• M3: 1,110,914 km (0.105 R)
• M4: 1,566,738 km (0.113 R)
• M5: 2,752,750 km (0.097 R)
• M6: 3,406,044 km (0.084 R)
• M7: 4,563,633 km (0.115 R)
• M8: 5,021,402 km (0.109 R)
• M9: 5,904,179 km (0.095 R)
• M10: 8,804,433 km (0.041 R)
• M11: 9,602,239 km (0.073 R)
• M12: 9,996,579 km (0.115 R)
• M13: 10,447,466 km (0.083 R)
• M14: 12,388,499 km (0.093 R)
• M15: 14,218,230 km (0.075 R)
• M16: 16,098,825 km (0.115 R)
• M17: 19,360,807 km (0.106 R)
• M18: 20,491,468 km (0.107 R)
• M19: 21,590,862 km (0.103 R)
• M20: 23,986,971 km (0.088 R)
• M21: 24,960,405 km (0.027 R)
• M22: 25,456,920 km (0.092 R)
• M23: 30,790,533 km (0.106 R)
• M24: 31,265,955 km (0.118 R)
• M25: 32,919,460 km (0.079 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.7

Radius: 9.8

Gravity: 7.85 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 5.21 AU - 7.13 AU

Year: 5684 Days

Day: 6.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 65,424,908 km

• M1: 121,922 km (0.117 R)
• M2: 644,168 km (0.109 R)
• M3: 1,129,763 km (0.093 R)
• M4: 1,661,284 km (0.079 R)
• M5: 2,022,563 km (0.108 R)
• M6: 2,682,589 km (0.116 R)
• M7: 3,003,776 km (0.105 R)
• M8: 3,372,235 km (0.072 R)
• M9: 4,636,188 km (0.088 R)
• M10: 5,073,612 km (0.116 R)
• M11: 6,354,469 km (0.059 R)
• M12: 6,757,186 km (0.099 R)
• M13: 7,176,808 km (0.067 R)
• M14: 8,743,696 km (0.113 R)
• M15: 11,926,391 km (0.084 R)
• M16: 12,749,628 km (0.035 R)
• M17: 15,809,353 km (0.106 R)
• M18: 16,425,248 km (0.084 R)
• M19: 17,836,554 km (0.07 R)
• M20: 18,436,741 km (0.053 R)
• M21: 20,825,819 km (0.105 R)
• M22: 21,566,029 km (0.106 R)
• M23: 22,170,704 km (0.114 R)
• M24: 24,703,396 km (0.086 R)
• M25: 25,954,483 km (0.11 R)
• M26: 27,954,157 km (0.084 R)
• M27: 28,492,261 km (0.073 R)
• M28: 31,190,857 km (0.059 R)
• M29: 32,750,564 km (0.083 R)
• M30: 33,650,395 km (0.112 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.9

Radius: 10.6

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 7.09 AU - 7.79 AU

Year: 7526 Days

Day: 12.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 65,424,908 km

• M1: 134,040 km (0.114 R)
• M2: 597,943 km (0.111 R)
• M3: 1,399,488 km (0.082 R)
• M4: 2,496,489 km (0.086 R)
• M5: 3,277,241 km (0.115 R)
• M6: 5,375,650 km (0.099 R)
• M7: 6,541,765 km (0.11 R)
• M8: 8,439,414 km (0.098 R)
• M9: 10,452,403 km (0.029 R)
• M10: 12,612,746 km (0.102 R)
• M11: 13,933,845 km (0.061 R)
• M12: 15,113,125 km (0.08 R)
• M13: 20,009,164 km (0.119 R)
• M14: 21,435,281 km (0.115 R)
• M15: 27,561,164 km (0.056 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 601.1

Radius: 3.9

Gravity: 39.52 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 9.86 AU - 15.78 AU

Year: 17023 Days

Day: 19.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 65,424,908 km

• M1: 48,470 km (0.099 R)
• M2: 213,027 km (0.098 R)
• M3: 429,795 km (0.108 R)
• M4: 611,706 km (0.081 R)
• M5: 929,900 km (0.107 R)
• M6: 1,483,712 km (0.037 R)
• M7: 2,528,354 km (0.093 R)
• M8: 2,875,570 km (0.109 R)
• M9: 8,220,553 km (0.092 R)
• M10: 10,457,789 km (0.099 R)
• M11: 11,044,661 km (0.09 R)
• M12: 12,155,725 km (0.109 R)
• M13: 13,750,438 km (0.087 R)
• M14: 14,669,866 km (0.106 R)
• M15: 15,255,542 km (0.106 R)
• M16: 15,780,780 km (0.108 R)
• M17: 22,280,957 km (0.045 R)
• M18: 25,065,273 km (0.075 R)
• M19: 31,192,502 km (0.088 R)
• M20: 31,552,734 km (0.067 R)
• M21: 31,794,484 km (0.1 R)
• M22: 34,535,416 km (0.109 R)
• M23: 37,294,899 km (0.097 R)
• M24: 38,797,310 km (0.036 R)
• M25: 40,197,845 km (0.079 R)
• M26: 43,247,697 km (0.103 R)
• M27: 49,476,803 km (0.103 R)
• M28: 52,974,401 km (0.107 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 452 - 17,511 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit