🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.03 AU - 1.25 AU

Year: 524 Days

Day: 16 Hours

Environment

Temp: -71 °C

Axial Tilt: 49.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.14

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.02 AU - 3.04 AU

Year: 1732 Days

Day: 17.6 Hours

Environment

Temp: -124 °C

Axial Tilt: 8.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.26 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.6

Radius: 14.7

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 3.74 AU - 4.24 AU

Year: 3431 Days

Day: 5.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 97,816,657 km

• M1: 182,809 km (0.069 R)
• M2: 701,165 km (0.053 R)
• M3: 1,284,597 km (0.113 R)
• M4: 1,824,346 km (0.114 R)
• M5: 2,311,437 km (0.099 R)
• M6: 2,840,265 km (0.026 R)
• M7: 4,801,493 km (0.116 R)
• M8: 6,731,007 km (0.092 R)
• M9: 7,700,102 km (0.104 R)
• M10: 9,555,265 km (0.074 R)
• M11: 11,774,848 km (0.114 R)
• M12: 12,358,430 km (0.076 R)
• M13: 13,674,442 km (0.095 R)
• M14: 14,460,729 km (0.11 R)
• M15: 15,325,703 km (0.092 R)
• M16: 15,971,817 km (0.116 R)
• M17: 16,687,792 km (0.116 R)
• M18: 19,021,818 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.4

Radius: 12.7

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 4.74 AU - 7.36 AU

Year: 6406 Days

Day: 12.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 97,816,657 km

• M1: 169,644 km (0.092 R)
• M2: 651,349 km (0.102 R)
• M3: 1,269,787 km (0.028 R)
• M4: 4,175,725 km (0.118 R)
• M5: 5,167,709 km (0.091 R)
• M6: 5,675,743 km (0.032 R)
• M7: 6,532,640 km (0.099 R)
• M8: 7,196,256 km (0.082 R)
• M9: 8,088,458 km (0.026 R)
• M10: 11,256,941 km (0.052 R)
• M11: 11,775,596 km (0.052 R)
• M12: 16,943,006 km (0.117 R)
• M13: 19,781,626 km (0.103 R)
• M14: 23,452,309 km (0.033 R)
• M15: 29,286,027 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.6

Radius: 13.7

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 6.26 AU - 7.86 AU

Year: 8075 Days

Day: 8.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 97,816,657 km

• M1: 173,085 km (0.09 R)
• M2: 740,061 km (0.119 R)
• M3: 1,508,695 km (0.094 R)
• M4: 2,331,184 km (0.11 R)
• M5: 3,100,715 km (0.093 R)
• M6: 3,545,918 km (0.109 R)
• M7: 4,540,744 km (0.097 R)
• M8: 5,204,959 km (0.055 R)
• M9: 5,714,040 km (0.088 R)
• M10: 6,355,516 km (0.109 R)
• M11: 7,009,109 km (0.047 R)
• M12: 8,903,467 km (0.093 R)
• M13: 9,812,124 km (0.112 R)
• M14: 10,973,602 km (0.115 R)
• M15: 11,512,903 km (0.111 R)
• M16: 12,328,809 km (0.062 R)
• M17: 14,076,262 km (0.064 R)
• M18: 16,170,782 km (0.072 R)
• M19: 17,589,418 km (0.073 R)
• M20: 18,465,763 km (0.099 R)
• M21: 19,512,948 km (0.116 R)
• M22: 24,430,529 km (0.083 R)
• M23: 28,254,550 km (0.091 R)
• M24: 29,550,516 km (0.098 R)
• M25: 30,789,037 km (0.034 R)
• M26: 31,863,898 km (0.073 R)
• M27: 33,166,147 km (0.034 R)
• M28: 34,191,940 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 565.1

Radius: 7.3

Gravity: 10.6 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 9.5 AU - 14.82 AU

Year: 18253 Days

Day: 23.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 97,816,657 km

• M1: 90,806 km (0.076 R)
• M2: 397,482 km (0.044 R)
• M3: 627,264 km (0.068 R)
• M4: 994,676 km (0.036 R)
• M5: 4,611,354 km (0.101 R)
• M6: 5,165,764 km (0.068 R)
• M7: 7,141,503 km (0.114 R)
• M8: 7,787,616 km (0.112 R)
• M9: 12,442,952 km (0.114 R)
• M10: 13,722,164 km (0.049 R)
• M11: 20,167,139 km (0.119 R)
• M12: 20,620,720 km (0.115 R)
• M13: 27,816,078 km (0.041 R)
• M14: 30,227,297 km (0.049 R)
• M15: 33,024,328 km (0.086 R)
• M16: 34,420,974 km (0.092 R)
• M17: 36,790,904 km (0.073 R)
• M18: 41,414,076 km (0.115 R)
• M19: 46,883,524 km (0.106 R)
• M20: 48,160,940 km (0.118 R)
• M21: 63,974,781 km (0.073 R)
• M22: 65,150,621 km (0.026 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 64.6

Radius: 6.5

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 10.68 AU - 14.88 AU

Year: 19666 Days

Day: 18.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 97,816,657 km

• M1: 99,034 km (0.045 R)
• M2: 439,668 km (0.094 R)
• M3: 702,362 km (0.086 R)
• M4: 1,098,647 km (0.11 R)
• M5: 2,971,463 km (0.079 R)
• M6: 4,639,778 km (0.052 R)
• M7: 6,576,173 km (0.065 R)
• M8: 15,618,317 km (0.118 R)
• M9: 16,608,505 km (0.059 R)
• M10: 21,211,781 km (0.099 R)
• M11: 30,026,686 km (0.12 R)
• M12: 31,845,946 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 59.6

Radius: 7.1

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 12.18 AU - 13.56 AU

Year: 19874 Days

Day: 21.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 97,816,657 km

• M1: 444,904 km (0.062 R)
• M2: 1,195,885 km (0.106 R)
• M3: 3,305,365 km (0.061 R)
• M4: 4,349,857 km (0.053 R)
• M5: 7,801,828 km (0.096 R)
• M6: 9,199,970 km (0.103 R)
• M7: 9,759,316 km (0.077 R)
• M8: 13,657,837 km (0.058 R)
• M9: 16,661,164 km (0.103 R)
• M10: 17,041,292 km (0.115 R)
• M11: 23,142,641 km (0.093 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 681.9

Radius: 5.7

Gravity: 20.99 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 13.83 AU - 19.45 AU

Year: 29218 Days

Day: 20.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 74.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 97,816,657 km

• M1: 70,909 km (0.057 R)
• M2: 344,823 km (0.097 R)
• M3: 534,364 km (0.105 R)
• M4: 2,262,967 km (0.039 R)
• M5: 6,233,294 km (0.053 R)
• M6: 8,340,680 km (0.058 R)
• M7: 9,157,334 km (0.071 R)
• M8: 9,400,132 km (0.068 R)
• M9: 10,679,343 km (0.097 R)
• M10: 12,510,421 km (0.094 R)
• M11: 13,894,201 km (0.086 R)
• M12: 18,460,078 km (0.096 R)
• M13: 30,400,232 km (0.055 R)
• M14: 31,764,265 km (0.111 R)
• M15: 33,741,650 km (0.109 R)
• M16: 35,351,622 km (0.098 R)
• M17: 36,554,240 km (0.115 R)
• M18: 39,359,499 km (0.119 R)
• M19: 40,001,872 km (0.061 R)
• M20: 68,978,681 km (0.099 R)
• M21: 74,704,838 km (0.052 R)
• M22: 86,280,123 km (0.085 R)
• M23: 87,363,361 km (0.088 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 430 - 15,240 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit