🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.91

Radius: 1.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.63 AU - 0.83 AU

Year: 263 Days

Day: 35.2 Hours

Environment

Temp: -7 °C

Axial Tilt: 38.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.03

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.97 AU - 0.97 AU

Year: 403 Days

Day: 44.3 Hours

Environment

Temp: -44 °C

Axial Tilt: 19.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.83

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.36 AU - 1.86 AU

Year: 862 Days

Day: 36.1 Hours

Environment

Temp: -93 °C

Axial Tilt: 38.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.75

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.69 AU - 2.29 AU

Year: 1184 Days

Day: 25.6 Hours

Environment

Temp: -108 °C

Axial Tilt: 4.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 72,720,926 km

• M1: 132,843 km (0.096 R)

Asteroid Belt

Center: 3.26 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395

Radius: 12

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 4.11 AU - 4.95 AU

Year: 4066 Days

Day: 13 Hours

Environment

Temp: -161 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 72,720,926 km

• M1: 159,920 km (0.113 R)
• M2: 540,348 km (0.041 R)
• M3: 1,122,283 km (0.053 R)
• M4: 1,749,098 km (0.09 R)
• M5: 2,224,969 km (0.068 R)
• M6: 2,676,755 km (0.117 R)
• M7: 3,068,252 km (0.116 R)
• M8: 3,460,947 km (0.094 R)
• M9: 4,965,453 km (0.119 R)
• M10: 5,665,571 km (0.074 R)
• M11: 6,121,994 km (0.101 R)
• M12: 6,602,951 km (0.086 R)
• M13: 8,403,062 km (0.079 R)
• M14: 9,435,138 km (0.084 R)
• M15: 9,962,769 km (0.118 R)
• M16: 10,391,068 km (0.108 R)
• M17: 11,664,744 km (0.073 R)
• M18: 12,765,635 km (0.095 R)
• M19: 14,520,418 km (0.085 R)
• M20: 17,140,176 km (0.079 R)
• M21: 18,561,655 km (0.094 R)
• M22: 19,211,359 km (0.105 R)
• M23: 20,619,075 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.4

Radius: 8

Gravity: 6.85 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 6.47 AU - 7.95 AU

Year: 8165 Days

Day: 14.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 72,720,926 km

• M1: 99,931 km (0.082 R)
• M2: 432,787 km (0.103 R)
• M3: 872,604 km (0.045 R)
• M4: 1,245,851 km (0.082 R)
• M5: 1,764,507 km (0.073 R)
• M6: 2,058,616 km (0.11 R)
• M7: 2,525,661 km (0.108 R)
• M8: 2,803,913 km (0.086 R)
• M9: 3,292,051 km (0.073 R)
• M10: 3,859,625 km (0.097 R)
• M11: 4,154,333 km (0.118 R)
• M12: 5,765,951 km (0.11 R)
• M13: 7,378,167 km (0.083 R)
• M14: 7,950,528 km (0.06 R)
• M15: 8,227,584 km (0.069 R)
• M16: 10,304,900 km (0.098 R)
• M17: 10,730,057 km (0.101 R)
• M18: 11,117,815 km (0.12 R)
• M19: 11,565,112 km (0.078 R)
• M20: 11,818,830 km (0.076 R)
• M21: 13,983,960 km (0.102 R)
• M22: 14,622,893 km (0.105 R)
• M23: 15,402,896 km (0.025 R)
• M24: 21,966,353 km (0.089 R)
• M25: 27,848,242 km (0.076 R)
• M26: 28,580,823 km (0.092 R)
• M27: 28,858,925 km (0.112 R)
• M28: 31,442,929 km (0.114 R)
• M29: 34,281,399 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 720.9

Radius: 3.6

Gravity: 55.63 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 9.34 AU - 15.28 AU

Year: 18216 Days

Day: 19.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 72,720,926 km

• M1: 83,326 km (0.041 R)
• M2: 244,144 km (0.069 R)
• M3: 441,015 km (0.081 R)
• M4: 777,161 km (0.103 R)
• M5: 2,471,207 km (0.087 R)
• M6: 2,851,186 km (0.111 R)
• M7: 3,379,416 km (0.115 R)
• M8: 5,164,418 km (0.061 R)
• M9: 5,352,612 km (0.102 R)
• M10: 5,584,489 km (0.109 R)
• M11: 7,072,688 km (0.115 R)
• M12: 7,784,475 km (0.095 R)
• M13: 8,183,004 km (0.085 R)
• M14: 8,438,965 km (0.104 R)
• M15: 10,803,509 km (0.093 R)
• M16: 13,933,396 km (0.069 R)
• M17: 17,281,845 km (0.11 R)
• M18: 17,449,544 km (0.089 R)
• M19: 19,819,773 km (0.108 R)
• M20: 20,281,133 km (0.074 R)
• M21: 21,707,848 km (0.101 R)
• M22: 25,619,234 km (0.11 R)
• M23: 27,511,497 km (0.101 R)
• M24: 29,375,636 km (0.099 R)
• M25: 31,571,583 km (0.09 R)
• M26: 32,709,425 km (0.076 R)
• M27: 36,699,649 km (0.101 R)
• M28: 36,976,554 km (0.07 R)
• M29: 39,823,552 km (0.073 R)
• M30: 40,262,921 km (0.091 R)
• M31: 41,151,083 km (0.108 R)
• M32: 41,750,372 km (0.032 R)
• M33: 42,052,261 km (0.039 R)
• M34: 45,469,226 km (0.101 R)
• M35: 45,949,136 km (0.106 R)
• M36: 48,233,046 km (0.027 R)
• M37: 55,719,073 km (0.08 R)
• M38: 56,084,990 km (0.064 R)
• M39: 56,821,610 km (0.105 R)
• M40: 57,564,513 km (0.087 R)
• M41: 59,259,905 km (0.082 R)
• M42: 64,948,664 km (0.119 R)
• M43: 67,820,793 km (0.109 R)
• M44: 71,852,306 km (0.096 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: 508 - 16,052 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit