🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.04

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.44 AU - 0.62 AU

Year: 176 Days

Day: 17.9 Hours

Environment

Temp: 23 °C

Axial Tilt: 12.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.52 AU - 0.54 AU

Year: 176 Days

Day: 25.6 Hours

Environment

Temp: -3 °C

Axial Tilt: 17.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.29

Radius: 1.39

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.5 AU - 0.62 AU

Year: 191 Days

Day: 12.1 Hours

Environment

Temp: 0 °C

Axial Tilt: 15.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 33,160,350 km

• M1: 32,912 km (0.103 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.66

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.64 AU - 0.88 AU

Year: 302 Days

Day: 40.2 Hours

Environment

Temp: -40 °C

Axial Tilt: 20.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.6

Radius: 1.21

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.86 AU - 1.1 AU

Year: 443 Days

Day: 25.2 Hours

Environment

Temp: -68 °C

Axial Tilt: 33.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.72 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.2

Radius: 9.1

Gravity: 10.71 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 2.25 AU - 2.65 AU

Year: 1751 Days

Day: 12.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 33,160,350 km

• M1: 113,545 km (0.034 R)
• M2: 408,552 km (0.09 R)
• M3: 745,745 km (0.096 R)
• M4: 1,257,071 km (0.09 R)
• M5: 1,788,443 km (0.081 R)
• M6: 2,800,173 km (0.101 R)
• M7: 3,603,364 km (0.116 R)
• M8: 4,231,974 km (0.09 R)
• M9: 4,739,560 km (0.048 R)
• M10: 5,287,088 km (0.096 R)
• M11: 6,199,635 km (0.075 R)
• M12: 7,241,734 km (0.093 R)
• M13: 7,760,390 km (0.101 R)
• M14: 8,396,480 km (0.092 R)
• M15: 8,904,065 km (0.079 R)
• M16: 9,231,685 km (0.116 R)
• M17: 9,980,721 km (0.083 R)
• M18: 10,880,552 km (0.106 R)
• M19: 11,794,296 km (0.083 R)
• M20: 12,923,910 km (0.054 R)
• M21: 14,888,279 km (0.087 R)
• M22: 16,109,895 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.6

Radius: 13.7

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2.76 AU - 3.62 AU

Year: 2601 Days

Day: 9.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,160,350 km

• M1: 170,392 km (0.115 R)
• M2: 630,854 km (0.114 R)
• M3: 1,208,452 km (0.076 R)
• M4: 1,939,237 km (0.098 R)
• M5: 2,453,555 km (0.067 R)
• M6: 3,028,011 km (0.109 R)
• M7: 3,691,477 km (0.073 R)
• M8: 4,739,859 km (0.095 R)
• M9: 5,830,427 km (0.071 R)
• M10: 7,831,449 km (0.116 R)
• M11: 8,287,423 km (0.089 R)
• M12: 8,988,139 km (0.093 R)
• M13: 9,454,585 km (0.104 R)
• M14: 10,220,078 km (0.08 R)
• M15: 12,975,671 km (0.081 R)
• M16: 14,366,781 km (0.062 R)
• M17: 15,285,312 km (0.104 R)
• M18: 15,759,088 km (0.118 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.3

Radius: 10.8

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 2.92 AU - 3.86 AU

Year: 2850 Days

Day: 13.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 33,160,350 km

• M1: 134,339 km (0.117 R)
• M2: 671,246 km (0.106 R)
• M3: 1,365,679 km (0.087 R)
• M4: 1,804,150 km (0.028 R)
• M5: 2,322,208 km (0.073 R)
• M6: 2,731,508 km (0.088 R)
• M7: 3,137,516 km (0.061 R)
• M8: 4,407,752 km (0.077 R)
• M9: 5,304,292 km (0.06 R)
• M10: 6,073,524 km (0.079 R)
• M11: 8,761,648 km (0.083 R)
• M12: 9,577,704 km (0.093 R)
• M13: 9,947,959 km (0.073 R)
• M14: 10,599,458 km (0.069 R)
• M15: 11,279,081 km (0.075 R)
• M16: 12,115,632 km (0.104 R)
• M17: 13,173,588 km (0.115 R)
• M18: 14,727,312 km (0.085 R)
• M19: 15,777,639 km (0.103 R)
• M20: 17,038,300 km (0.068 R)
• M21: 17,527,934 km (0.095 R)
• M22: 18,478,479 km (0.103 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786.1

Radius: 9.3

Gravity: 9.09 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 3.81 AU - 5.13 AU

Year: 4315 Days

Day: 13.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 33,160,350 km

• M1: 115,639 km (0.094 R)
• M2: 728,841 km (0.102 R)
• M3: 1,095,356 km (0.106 R)
• M4: 1,538,016 km (0.085 R)
• M5: 1,914,853 km (0.114 R)
• M6: 2,306,500 km (0.064 R)
• M7: 2,716,249 km (0.1 R)
• M8: 3,116,722 km (0.053 R)
• M9: 3,813,100 km (0.117 R)
• M10: 4,609,559 km (0.065 R)
• M11: 6,006,953 km (0.058 R)
• M12: 6,561,811 km (0.092 R)
• M13: 8,584,524 km (0.085 R)
• M14: 10,244,163 km (0.104 R)
• M15: 10,723,624 km (0.041 R)
• M16: 12,446,992 km (0.084 R)
• M17: 13,659,183 km (0.077 R)
• M18: 15,059,120 km (0.078 R)
• M19: 15,395,416 km (0.089 R)
• M20: 17,273,917 km (0.072 R)
• M21: 17,766,542 km (0.109 R)
• M22: 18,650,965 km (0.061 R)
• M23: 19,169,471 km (0.093 R)
• M24: 21,410,298 km (0.108 R)
• M25: 22,923,929 km (0.094 R)
• M26: 24,353,636 km (0.106 R)
• M27: 25,051,360 km (0.066 R)
• M28: 27,141,691 km (0.06 R)
• M29: 28,229,268 km (0.066 R)
• M30: 28,569,603 km (0.068 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 134.4

Radius: 3.3

Gravity: 12.34 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 7.76 AU - 10.88 AU

Year: 12990 Days

Day: 21.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 33,160,350 km

• M1: 41,139 km (0.063 R)
• M2: 203,752 km (0.099 R)
• M3: 352,153 km (0.087 R)
• M4: 737,368 km (0.093 R)
• M5: 971,489 km (0.034 R)
• M6: 1,106,127 km (0.078 R)
• M7: 1,365,829 km (0.045 R)
• M8: 1,573,470 km (0.05 R)
• M9: 1,801,607 km (0.051 R)
• M10: 3,568,059 km (0.118 R)
• M11: 6,570,039 km (0.049 R)
• M12: 9,305,436 km (0.034 R)
• M13: 9,476,427 km (0.063 R)
• M14: 10,272,138 km (0.104 R)
• M15: 10,639,700 km (0.026 R)
• M16: 11,063,511 km (0.083 R)
• M17: 11,449,772 km (0.091 R)
• M18: 13,031,171 km (0.108 R)
• M19: 15,161,146 km (0.118 R)
• M20: 15,879,066 km (0.105 R)
• M21: 17,318,048 km (0.084 R)
• M22: 17,641,927 km (0.053 R)
• M23: 22,688,013 km (0.105 R)
• M24: 23,944,336 km (0.044 R)
• M25: 27,026,052 km (0.086 R)
• M26: 28,706,635 km (0.109 R)
• M27: 29,160,066 km (0.102 R)
• M28: 32,666,041 km (0.112 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 255 - 18,240 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit