🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.4

Radius: 13.1

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.52 AU - 0.56 AU

Year: 269 Days

Day: 10.9 Hours

Environment

Temp: -134 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 37,787,080 km

• M1: 162,912 km (0.108 R)
• M2: 582,684 km (0.091 R)
• M3: 1,260,512 km (0.118 R)
• M4: 2,286,903 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.3

Radius: 14.3

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.95 AU - 1.53 AU

Year: 937 Days

Day: 9.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,787,080 km

• M1: 178,021 km (0.113 R)
• M2: 765,941 km (0.111 R)
• M3: 1,319,453 km (0.11 R)
• M4: 1,887,177 km (0.086 R)
• M5: 2,354,820 km (0.059 R)
• M6: 3,260,186 km (0.092 R)
• M7: 3,942,801 km (0.081 R)
• M8: 4,648,155 km (0.117 R)
• M9: 6,268,749 km (0.062 R)
• M10: 7,208,373 km (0.103 R)
• M11: 7,699,802 km (0.032 R)
• M12: 10,226,062 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873

Radius: 14.9

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.57 AU - 1.85 AU

Year: 1517 Days

Day: 11.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 37,787,080 km

• M1: 186,848 km (0.114 R)
• M2: 832,662 km (0.106 R)
• M3: 1,624,483 km (0.09 R)
• M4: 2,213,749 km (0.097 R)
• M5: 2,789,701 km (0.117 R)
• M6: 3,697,311 km (0.108 R)
• M7: 4,917,432 km (0.072 R)
• M8: 5,655,398 km (0.086 R)
• M9: 7,272,102 km (0.112 R)
• M10: 7,855,534 km (0.056 R)
• M11: 9,116,494 km (0.082 R)
• M12: 9,862,240 km (0.074 R)
• M13: 14,260,567 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.1

Radius: 10.8

Gravity: 7.99 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.69 AU - 1.87 AU

Year: 1611 Days

Day: 7.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,787,080 km

• M1: 134,638 km (0.09 R)
• M2: 659,727 km (0.081 R)
• M3: 1,010,234 km (0.089 R)
• M4: 1,545,496 km (0.026 R)
• M5: 2,190,262 km (0.034 R)
• M6: 2,630,379 km (0.077 R)
• M7: 3,518,542 km (0.074 R)
• M8: 3,958,808 km (0.109 R)
• M9: 4,865,372 km (0.083 R)
• M10: 7,938,112 km (0.032 R)
• M11: 8,984,250 km (0.11 R)
• M12: 10,154,554 km (0.039 R)
• M13: 11,236,296 km (0.099 R)
• M14: 11,999,096 km (0.116 R)
• M15: 12,393,136 km (0.119 R)
• M16: 13,041,793 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.6

Radius: 12.3

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.59 AU - 2.09 AU

Year: 1693 Days

Day: 11.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,787,080 km

• M1: 153,039 km (0.088 R)
• M2: 591,211 km (0.053 R)
• M3: 988,094 km (0.114 R)
• M4: 1,522,458 km (0.12 R)
• M5: 2,026,004 km (0.086 R)
• M6: 3,038,632 km (0.109 R)
• M7: 3,537,541 km (0.119 R)
• M8: 4,107,658 km (0.084 R)
• M9: 5,534,523 km (0.112 R)
• M10: 5,975,687 km (0.049 R)
• M11: 7,293,495 km (0.074 R)
• M12: 8,166,847 km (0.104 R)
• M13: 9,399,234 km (0.05 R)
• M14: 10,060,158 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.1

Radius: 13.8

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.58 AU - 2.5 AU

Year: 1976 Days

Day: 9.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 37,787,080 km

• M1: 171,589 km (0.068 R)
• M2: 689,945 km (0.068 R)
• M3: 1,156,840 km (0.106 R)
• M4: 1,746,705 km (0.088 R)
• M5: 2,269,250 km (0.061 R)
• M6: 2,703,832 km (0.107 R)
• M7: 4,258,603 km (0.079 R)
• M8: 4,840,688 km (0.087 R)
• M9: 5,912,557 km (0.112 R)
• M10: 7,424,542 km (0.11 R)
• M11: 8,588,713 km (0.085 R)
• M12: 9,047,081 km (0.108 R)
• M13: 9,730,444 km (0.079 R)
• M14: 11,123,649 km (0.109 R)
• M15: 12,029,314 km (0.109 R)
• M16: 13,765,098 km (0.1 R)
• M17: 16,052,300 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.3

Radius: 8.9

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.23 AU - 2.69 AU

Year: 2617 Days

Day: 10.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 37,787,080 km

• M1: 111,151 km (0.109 R)
• M2: 393,293 km (0.117 R)
• M3: 774,917 km (0.066 R)
• M4: 1,057,358 km (0.062 R)
• M5: 1,798,765 km (0.113 R)
• M6: 2,208,663 km (0.032 R)
• M7: 2,722,382 km (0.087 R)
• M8: 3,154,271 km (0.119 R)
• M9: 3,614,285 km (0.096 R)
• M10: 4,025,080 km (0.098 R)
• M11: 4,407,303 km (0.1 R)
• M12: 4,897,834 km (0.049 R)
• M13: 5,608,125 km (0.112 R)
• M14: 6,487,461 km (0.099 R)
• M15: 6,773,792 km (0.093 R)
• M16: 8,672,937 km (0.109 R)
• M17: 9,677,486 km (0.091 R)
• M18: 10,721,380 km (0.099 R)
• M19: 11,723,686 km (0.109 R)
• M20: 12,032,306 km (0.1 R)
• M21: 12,386,105 km (0.106 R)
• M22: 13,999,668 km (0.11 R)
• M23: 14,656,103 km (0.03 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.1

Radius: 12.5

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.52 AU - 2.7 AU

Year: 2860 Days

Day: 10.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,787,080 km

• M1: 155,432 km (0.11 R)
• M2: 588,518 km (0.114 R)
• M3: 1,203,964 km (0.077 R)
• M4: 2,183,231 km (0.062 R)
• M5: 2,641,001 km (0.028 R)
• M6: 3,425,342 km (0.034 R)
• M7: 4,030,765 km (0.063 R)
• M8: 4,726,395 km (0.111 R)
• M9: 5,413,049 km (0.086 R)
• M10: 7,436,510 km (0.107 R)
• M11: 9,564,390 km (0.07 R)
• M12: 10,908,228 km (0.09 R)
• M13: 11,699,152 km (0.108 R)
• M14: 13,075,452 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 252.6

Radius: 3.2

Gravity: 24.67 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 6.36 AU - 6.86 AU

Year: 11526 Days

Day: 21.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,787,080 km

• M1: 42,785 km (0.054 R)
• M2: 249,080 km (0.076 R)
• M3: 2,718,193 km (0.058 R)
• M4: 6,251,695 km (0.05 R)
• M5: 7,596,879 km (0.076 R)
• M6: 8,357,435 km (0.066 R)
• M7: 9,568,579 km (0.055 R)
• M8: 11,090,438 km (0.071 R)
• M9: 11,700,498 km (0.115 R)
• M10: 12,876,487 km (0.084 R)
• M11: 15,585,256 km (0.082 R)
• M12: 18,160,284 km (0.112 R)
• M13: 20,249,269 km (0.101 R)
• M14: 23,632,873 km (0.106 R)
• M15: 33,960,661 km (0.085 R)
• M16: 36,113,824 km (0.074 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 401 - 16,988 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit