🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.51

Radius: 0.76

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.89 AU - 1.27 AU

Year: 421 Days

Day: 15.1 Hours

Environment

Temp: -5 °C

Axial Tilt: 17.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 40,130,823 km

• M1: 18,251 km (0.096 R)
• M2: 227,688 km (0.116 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.44

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.39 AU - 1.75 AU

Year: 737 Days

Day: 14.1 Hours

Environment

Temp: -42 °C

Axial Tilt: 18.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.41

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.7 AU - 2.06 AU

Year: 966 Days

Day: 34 Hours

Environment

Temp: -61 °C

Axial Tilt: 0.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,130,823 km

• M1: 515,813 km (0.118 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.33

Radius: 1.12

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.44 AU - 2.32 AU

Year: 966 Days

Day: 33.3 Hours

Environment

Temp: -72 °C

Axial Tilt: 32.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.33

Radius: 1.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.46 AU - 2.44 AU

Year: 1020 Days

Day: 44.5 Hours

Environment

Temp: -63 °C

Axial Tilt: 4.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.26

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 3.34 AU - 3.36 AU

Year: 2298 Days

Day: 20.3 Hours

Environment

Temp: -116 °C

Axial Tilt: 22.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,130,823 km

• M1: 2,629,631 km (0.116 R)

Asteroid Belt

Center: 4.35 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.4

Radius: 13.5

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 4.75 AU - 5.95 AU

Year: 4637 Days

Day: 8.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,130,823 km

• M1: 167,849 km (0.074 R)
• M2: 739,163 km (0.1 R)
• M3: 1,235,080 km (0.082 R)
• M4: 1,676,843 km (0.094 R)
• M5: 2,110,078 km (0.052 R)
• M6: 3,058,977 km (0.107 R)
• M7: 3,716,161 km (0.065 R)
• M8: 4,322,630 km (0.074 R)
• M9: 5,233,532 km (0.059 R)
• M10: 6,802,963 km (0.112 R)
• M11: 7,436,061 km (0.072 R)
• M12: 8,254,811 km (0.078 R)
• M13: 12,876,338 km (0.038 R)
• M14: 13,483,705 km (0.104 R)
• M15: 15,704,784 km (0.048 R)
• M16: 16,516,353 km (0.117 R)
• M17: 20,723,643 km (0.118 R)
• M18: 23,820,319 km (0.077 R)
• M19: 25,597,392 km (0.049 R)
• M20: 26,075,058 km (0.08 R)
• M21: 28,214,757 km (0.035 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440.9

Radius: 14.3

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 6.8 AU - 10.18 AU

Year: 9270 Days

Day: 10.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 40,130,823 km

• M1: 178,769 km (0.072 R)
• M2: 705,952 km (0.102 R)
• M3: 1,449,304 km (0.11 R)
• M4: 2,897,262 km (0.106 R)
• M5: 4,482,551 km (0.097 R)
• M6: 5,590,472 km (0.082 R)
• M7: 6,659,050 km (0.044 R)
• M8: 7,167,683 km (0.087 R)
• M9: 8,019,493 km (0.082 R)
• M10: 9,512,929 km (0.112 R)
• M11: 10,590,781 km (0.031 R)
• M12: 11,490,014 km (0.07 R)
• M13: 12,331,502 km (0.076 R)
• M14: 12,933,634 km (0.067 R)
• M15: 13,728,297 km (0.061 R)
• M16: 15,042,664 km (0.118 R)
• M17: 15,667,086 km (0.055 R)
• M18: 16,439,310 km (0.106 R)
• M19: 21,459,815 km (0.078 R)
• M20: 23,310,639 km (0.115 R)
• M21: 26,328,178 km (0.109 R)
• M22: 27,327,941 km (0.062 R)
• M23: 28,164,791 km (0.118 R)
• M24: 30,877,599 km (0.079 R)
• M25: 31,480,927 km (0.12 R)
• M26: 34,832,069 km (0.107 R)
• M27: 35,485,961 km (0.088 R)
• M28: 37,269,617 km (0.052 R)
• M29: 39,346,783 km (0.089 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 973.9

Radius: 3.2

Gravity: 95.11 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 11.69 AU - 14.37 AU

Year: 17626 Days

Day: 20.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 40,130,823 km

• M1: 42,336 km (0.081 R)
• M2: 153,188 km (0.115 R)
• M3: 349,909 km (0.111 R)
• M4: 475,721 km (0.091 R)
• M5: 596,148 km (0.109 R)
• M6: 1,358,648 km (0.088 R)
• M7: 2,269,998 km (0.074 R)
• M8: 2,427,076 km (0.035 R)
• M9: 3,352,488 km (0.055 R)
• M10: 3,799,636 km (0.098 R)
• M11: 4,595,796 km (0.118 R)
• M12: 4,847,569 km (0.1 R)
• M13: 5,070,470 km (0.097 R)
• M14: 5,378,492 km (0.051 R)
• M15: 6,781,421 km (0.085 R)
• M16: 8,148,895 km (0.106 R)
• M17: 8,787,379 km (0.068 R)
• M18: 11,028,654 km (0.104 R)
• M19: 11,742,386 km (0.101 R)
• M20: 13,696,732 km (0.088 R)
• M21: 13,918,287 km (0.117 R)
• M22: 14,444,273 km (0.116 R)
• M23: 15,535,888 km (0.058 R)
• M24: 17,188,945 km (0.087 R)
• M25: 18,146,222 km (0.045 R)
• M26: 18,955,546 km (0.083 R)
• M27: 19,508,161 km (0.069 R)
• M28: 22,844,492 km (0.093 R)
• M29: 28,173,468 km (0.09 R)
• M30: 29,257,005 km (0.096 R)
• M31: 29,747,387 km (0.095 R)
• M32: 35,369,275 km (0.112 R)
• M33: 36,629,338 km (0.078 R)
• M34: 36,913,275 km (0.086 R)
• M35: 40,588,296 km (0.078 R)
• M36: 42,749,088 km (0.102 R)
• M37: 46,962,960 km (0.106 R)
• M38: 47,634,954 km (0.119 R)
• M39: 48,143,138 km (0.077 R)
• M40: 48,997,940 km (0.087 R)
• M41: 69,802,217 km (0.101 R)
• M42: 75,160,663 km (0.106 R)

Planet 10 - Ice Giant

Semi-Major Axis: 13.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 129.4

Radius: 6

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 10.7 AU - 15.36 AU

Year: 17626 Days

Day: 24.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,130,823 km

• M1: 147,354 km (0.106 R)
• M2: 340,784 km (0.098 R)
• M3: 863,030 km (0.087 R)
• M4: 1,567,038 km (0.091 R)
• M5: 2,543,313 km (0.075 R)
• M6: 3,215,157 km (0.076 R)
• M7: 7,376,222 km (0.101 R)
• M8: 9,256,368 km (0.093 R)
• M9: 11,279,380 km (0.105 R)
• M10: 12,781,044 km (0.069 R)
• M11: 13,579,747 km (0.038 R)
• M12: 15,213,206 km (0.099 R)
• M13: 15,593,184 km (0.073 R)
• M14: 16,704,397 km (0.112 R)
• M15: 24,328,503 km (0.086 R)
• M16: 26,725,510 km (0.084 R)
• M17: 36,182,489 km (0.08 R)
• M18: 38,006,536 km (0.108 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: 493 - 11,747 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit