🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.15

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.42 AU - 0.6 AU

Year: 235 Days

Day: 28.9 Hours

Environment

Temp: -110 °C

Axial Tilt: 12.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 25,622,494 km

• M1: 129,851 km (0.113 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.17

Radius: 1.59

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.45 AU - 0.69 AU

Year: 278 Days

Day: 45.4 Hours

Environment

Temp: -121 °C

Axial Tilt: 46.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.5

Radius: 11.5

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.66 AU - 0.92 AU

Year: 453 Days

Day: 7 Hours

Environment

Temp: -143 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 25,622,494 km

• M1: 149,747 km (0.112 R)
• M2: 224,098 km (0.082 R)
• M3: 308,321 km (0.058 R)
• M4: 422,016 km (0.111 R)
• M5: 512,223 km (0.096 R)
• M6: 591,360 km (0.099 R)
• M7: 664,065 km (0.067 R)
• M8: 758,312 km (0.093 R)
• M9: 851,212 km (0.086 R)
• M10: 925,412 km (0.071 R)
• M11: 1,025,793 km (0.037 R)
• M12: 1,098,497 km (0.114 R)
• M13: 1,209,200 km (0.066 R)
• M14: 1,327,532 km (0.09 R)
• M15: 1,426,715 km (0.1 R)
• M16: 1,528,591 km (0.034 R)
• M17: 1,612,665 km (0.092 R)
• M18: 1,719,179 km (0.044 R)
• M19: 1,836,463 km (0.101 R)
• M20: 1,995,785 km (0.11 R)
• M21: 2,083,898 km (0.105 R)
• M22: 2,245,763 km (0.088 R)
• M23: 2,379,354 km (0.079 R)
• M24: 2,534,637 km (0.071 R)
• M25: 2,649,677 km (0.112 R)
• M26: 2,771,450 km (0.084 R)
• M27: 2,870,334 km (0.078 R)
• M28: 3,071,543 km (0.038 R)
• M29: 3,230,716 km (0.082 R)
• M30: 3,345,308 km (0.093 R)
• M31: 3,424,295 km (0.041 R)
• M32: 3,514,652 km (0.108 R)
• M33: 3,611,143 km (0.069 R)
• M34: 3,692,225 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.4

Radius: 9.2

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.72 AU - 2.48 AU

Year: 1965 Days

Day: 11.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 25,622,494 km

• M1: 114,891 km (0.103 R)
• M2: 204,949 km (0.112 R)
• M3: 297,101 km (0.074 R)
• M4: 355,145 km (0.098 R)
• M5: 596,148 km (0.074 R)
• M6: 803,640 km (0.04 R)
• M7: 1,101,938 km (0.069 R)
• M8: 1,276,668 km (0.112 R)
• M9: 1,338,751 km (0.092 R)
• M10: 1,504,057 km (0.096 R)
• M11: 1,750,295 km (0.055 R)
• M12: 2,187,121 km (0.045 R)
• M13: 2,274,785 km (0.102 R)
• M14: 2,421,391 km (0.071 R)
• M15: 2,791,496 km (0.037 R)
• M16: 3,004,224 km (0.079 R)
• M17: 3,165,491 km (0.091 R)
• M18: 3,236,400 km (0.112 R)
• M19: 3,372,834 km (0.062 R)
• M20: 3,460,049 km (0.077 R)
• M21: 3,525,872 km (0.111 R)
• M22: 3,651,385 km (0.107 R)
• M23: 3,793,503 km (0.114 R)
• M24: 3,869,050 km (0.077 R)
• M25: 4,075,644 km (0.117 R)
• M26: 4,176,324 km (0.112 R)
• M27: 4,388,304 km (0.058 R)
• M28: 4,660,123 km (0.108 R)
• M29: 4,880,032 km (0.076 R)
• M30: 5,086,627 km (0.116 R)
• M31: 5,170,102 km (0.047 R)
• M32: 5,646,123 km (0.044 R)
• M33: 5,793,327 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.7

Radius: 13.7

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 2.16 AU - 3.44 AU

Year: 3025 Days

Day: 7.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (63)

Outer Limit: 25,622,494 km

• M1: 196,572 km (0.095 R)
• M2: 289,472 km (0.09 R)
• M3: 484,697 km (0.111 R)
• M4: 578,645 km (0.076 R)
• M5: 905,516 km (0.12 R)
• M6: 1,080,695 km (0.093 R)
• M7: 1,222,813 km (0.069 R)
• M8: 1,442,572 km (0.04 R)
• M9: 1,563,747 km (0.076 R)
• M10: 1,675,795 km (0.104 R)
• M11: 1,790,687 km (0.1 R)
• M12: 1,921,734 km (0.089 R)
• M13: 2,193,703 km (0.073 R)
• M14: 2,306,051 km (0.081 R)
• M15: 2,670,023 km (0.095 R)
• M16: 3,099,817 km (0.089 R)
• M17: 3,651,235 km (0.068 R)
• M18: 3,870,396 km (0.104 R)
• M19: 4,128,752 km (0.045 R)
• M20: 4,357,188 km (0.111 R)
• M21: 4,937,478 km (0.115 R)
• M22: 5,124,026 km (0.111 R)
• M23: 5,293,820 km (0.025 R)
• M24: 5,408,113 km (0.12 R)
• M25: 5,619,794 km (0.108 R)
• M26: 5,952,350 km (0.106 R)
• M27: 6,051,383 km (0.095 R)
• M28: 6,311,534 km (0.118 R)
• M29: 6,555,079 km (0.11 R)
• M30: 6,719,039 km (0.111 R)
• M31: 6,863,850 km (0.111 R)
• M32: 7,559,928 km (0.098 R)
• M33: 7,992,715 km (0.067 R)
• M34: 8,973,628 km (0.063 R)
• M35: 9,110,361 km (0.075 R)
• M36: 9,247,841 km (0.09 R)
• M37: 9,339,844 km (0.116 R)
• M38: 9,455,184 km (0.042 R)
• M39: 9,945,266 km (0.082 R)
• M40: 10,395,855 km (0.117 R)
• M41: 11,366,147 km (0.093 R)
• M42: 11,837,231 km (0.101 R)
• M43: 13,523,199 km (0.082 R)
• M44: 13,680,127 km (0.101 R)
• M45: 14,608,082 km (0.119 R)
• M46: 14,822,905 km (0.099 R)
• M47: 15,038,924 km (0.119 R)
• M48: 15,419,501 km (0.082 R)
• M49: 16,245,730 km (0.098 R)
• M50: 16,356,882 km (0.111 R)
• M51: 16,608,206 km (0.063 R)
• M52: 16,804,478 km (0.11 R)
• M53: 17,058,047 km (0.116 R)
• M54: 17,740,213 km (0.073 R)
• M55: 18,084,737 km (0.09 R)
• M56: 18,315,716 km (0.112 R)
• M57: 18,634,808 km (0.06 R)
• M58: 18,955,696 km (0.071 R)
• M59: 19,043,510 km (0.11 R)
• M60: 19,455,353 km (0.07 R)
• M61: 19,751,257 km (0.039 R)
• M62: 19,840,268 km (0.03 R)
• M63: 19,959,348 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 47.4

Radius: 7.6

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 7.5 AU - 8.68 AU

Year: 14857 Days

Day: 20.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 25,622,494 km

• M1: 96,790 km (0.093 R)
• M2: 1,168,958 km (0.091 R)
• M3: 1,332,767 km (0.081 R)
• M4: 3,616,529 km (0.096 R)
• M5: 3,695,965 km (0.052 R)
• M6: 4,081,180 km (0.12 R)
• M7: 5,562,647 km (0.088 R)
• M8: 6,003,662 km (0.114 R)
• M9: 6,747,313 km (0.038 R)
• M10: 6,796,381 km (0.064 R)
• M11: 7,043,068 km (0.069 R)
• M12: 7,621,563 km (0.033 R)
• M13: 8,504,489 km (0.095 R)
• M14: 11,663,548 km (0.118 R)
• M15: 11,988,474 km (0.097 R)
• M16: 13,103,577 km (0.104 R)
• M17: 13,164,912 km (0.096 R)
• M18: 14,188,610 km (0.06 R)
• M19: 16,741,797 km (0.101 R)
• M20: 17,008,081 km (0.11 R)
• M21: 17,646,415 km (0.065 R)
• M22: 17,951,445 km (0.081 R)
• M23: 18,087,579 km (0.025 R)
• M24: 19,923,594 km (0.114 R)
• M25: 22,805,148 km (0.099 R)
• M26: 23,026,403 km (0.114 R)
• M27: 23,732,057 km (0.088 R)
• M28: 23,956,304 km (0.11 R)
• M29: 24,068,801 km (0.104 R)
• M30: 24,407,042 km (0.051 R)
• M31: 24,860,473 km (0.109 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 163 - 19,497 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit