🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.48

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.6 AU - 0.74 AU

Year: 201 Days

Day: 47.3 Hours

Environment

Temp: 142 °C

Axial Tilt: 38.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 62,984,743 km

• M1: 38,447 km (0.042 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.29

Radius: 1.11

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.06 AU - 1.6 AU

Year: 563 Days

Day: 18.4 Hours

Environment

Temp: -14 °C

Axial Tilt: 35.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 62,984,743 km

• M1: 26,628 km (0.079 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.22

Radius: 1.08

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.45 AU - 2.15 AU

Year: 887 Days

Day: 23.2 Hours

Environment

Temp: -55 °C

Axial Tilt: 84.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.08 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 3.32 AU - 5.38 AU

Year: 3330 Days

Day: 15.5 Hours

Environment

Temp: -130 °C

Axial Tilt: 0 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.5

Radius: 14.4

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 5.75 AU - 5.83 AU

Year: 5114 Days

Day: 9.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 62,984,743 km

• M1: 179,069 km (0.071 R)
• M2: 756,965 km (0.112 R)
• M3: 1,411,007 km (0.111 R)
• M4: 2,111,724 km (0.108 R)
• M5: 2,801,370 km (0.119 R)
• M6: 3,468,427 km (0.102 R)
• M7: 3,976,760 km (0.118 R)
• M8: 4,950,343 km (0.05 R)
• M9: 6,251,545 km (0.05 R)
• M10: 6,928,625 km (0.091 R)
• M11: 7,425,590 km (0.118 R)
• M12: 8,710,486 km (0.11 R)
• M13: 10,173,852 km (0.071 R)
• M14: 13,584,085 km (0.105 R)
• M15: 15,131,077 km (0.11 R)
• M16: 15,640,757 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.7

Radius: 12.2

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 6.05 AU - 9.23 AU

Year: 7752 Days

Day: 9.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 62,984,743 km

• M1: 151,842 km (0.081 R)
• M2: 789,727 km (0.035 R)
• M3: 1,245,402 km (0.06 R)
• M4: 1,878,500 km (0.087 R)
• M5: 2,366,190 km (0.102 R)
• M6: 2,836,525 km (0.054 R)
• M7: 3,257,643 km (0.052 R)
• M8: 4,333,850 km (0.106 R)
• M9: 5,379,988 km (0.092 R)
• M10: 5,829,679 km (0.106 R)
• M11: 6,304,503 km (0.115 R)
• M12: 8,553,557 km (0.098 R)
• M13: 8,989,635 km (0.045 R)
• M14: 11,036,433 km (0.092 R)
• M15: 11,712,167 km (0.055 R)
• M16: 12,250,719 km (0.103 R)
• M17: 13,203,957 km (0.12 R)
• M18: 15,770,907 km (0.107 R)
• M19: 21,311,563 km (0.098 R)
• M20: 22,689,359 km (0.109 R)
• M21: 24,039,630 km (0.1 R)
• M22: 25,086,965 km (0.057 R)
• M23: 25,801,893 km (0.026 R)
• M24: 29,483,496 km (0.12 R)
• M25: 31,295,276 km (0.111 R)
• M26: 32,754,753 km (0.092 R)
• M27: 33,933,135 km (0.068 R)
• M28: 34,918,088 km (0.08 R)
• M29: 40,373,773 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 495.3

Radius: 4.8

Gravity: 21.5 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 9.87 AU - 14.97 AU

Year: 16068 Days

Day: 22.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 62,984,743 km

• M1: 60,438 km (0.099 R)
• M2: 415,134 km (0.107 R)
• M3: 1,156,840 km (0.079 R)
• M4: 1,512,584 km (0.114 R)
• M5: 1,765,704 km (0.049 R)
• M6: 2,697,549 km (0.102 R)
• M7: 2,998,091 km (0.054 R)
• M8: 3,218,897 km (0.059 R)
• M9: 3,398,116 km (0.102 R)
• M10: 4,335,047 km (0.094 R)
• M11: 4,747,488 km (0.041 R)
• M12: 4,980,113 km (0.075 R)
• M13: 5,185,511 km (0.069 R)
• M14: 5,577,009 km (0.074 R)
• M15: 6,181,085 km (0.063 R)
• M16: 7,429,629 km (0.033 R)
• M17: 10,469,607 km (0.074 R)
• M18: 10,637,456 km (0.044 R)
• M19: 13,442,416 km (0.108 R)
• M20: 13,707,503 km (0.112 R)
• M21: 14,043,650 km (0.09 R)
• M22: 15,515,693 km (0.098 R)
• M23: 20,719,455 km (0.027 R)
• M24: 21,430,643 km (0.112 R)
• M25: 24,933,328 km (0.04 R)
• M26: 31,626,037 km (0.092 R)
• M27: 33,046,319 km (0.099 R)
• M28: 37,040,582 km (0.107 R)
• M29: 37,692,380 km (0.092 R)
• M30: 40,513,796 km (0.069 R)
• M31: 41,344,962 km (0.108 R)
• M32: 41,624,560 km (0.089 R)
• M33: 48,718,940 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 197.1

Radius: 4.9

Gravity: 8.21 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 17.06 AU - 18.98 AU

Year: 28080 Days

Day: 22.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 62,984,743 km

• M1: 75,996 km (0.118 R)
• M2: 273,315 km (0.046 R)
• M3: 520,301 km (0.056 R)
• M4: 806,781 km (0.071 R)
• M5: 2,046,499 km (0.119 R)
• M6: 4,590,859 km (0.108 R)
• M7: 8,068,860 km (0.079 R)
• M8: 9,588,775 km (0.116 R)
• M9: 13,995,180 km (0.053 R)
• M10: 17,024,387 km (0.12 R)
• M11: 18,901,541 km (0.035 R)
• M12: 21,002,793 km (0.101 R)
• M13: 25,662,617 km (0.111 R)
• M14: 27,141,392 km (0.101 R)
• M15: 27,682,936 km (0.086 R)
• M16: 29,237,707 km (0.08 R)
• M17: 31,439,638 km (0.07 R)
• M18: 46,546,779 km (0.107 R)
• M19: 47,011,131 km (0.096 R)
• M20: 48,899,355 km (0.102 R)
• M21: 50,348,360 km (0.107 R)
• M22: 61,858,869 km (0.103 R)
• M23: 62,045,567 km (0.064 R)
• M24: 62,607,906 km (0.109 R)
• M25: 62,796,100 km (0.074 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 326 - 19,350 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit