🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.9

Radius: 12

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.84 AU - 0.9 AU

Year: 560 Days

Day: 12.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,697,339 km

• M1: 149,299 km (0.069 R)
• M2: 584,928 km (0.072 R)
• M3: 1,019,210 km (0.094 R)
• M4: 1,761,665 km (0.073 R)
• M5: 2,134,762 km (0.097 R)
• M6: 2,615,120 km (0.105 R)
• M7: 3,004,823 km (0.085 R)
• M8: 3,668,888 km (0.063 R)
• M9: 4,048,567 km (0.05 R)
• M10: 4,533,863 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.1

Radius: 14.7

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.89 AU - 1.13 AU

Year: 701 Days

Day: 11.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,697,339 km

• M1: 182,809 km (0.088 R)
• M2: 794,813 km (0.063 R)
• M3: 1,335,311 km (0.038 R)
• M4: 1,895,854 km (0.09 R)
• M5: 2,635,316 km (0.087 R)
• M6: 3,104,156 km (0.065 R)
• M7: 3,615,481 km (0.103 R)
• M8: 4,473,874 km (0.061 R)
• M9: 5,304,441 km (0.057 R)
• M10: 6,434,653 km (0.111 R)
• M11: 7,035,887 km (0.061 R)
• M12: 7,788,514 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.7

Radius: 8.6

Gravity: 10.16 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.25 AU - 1.83 AU

Year: 1319 Days

Day: 11.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 67,697,339 km

• M1: 106,962 km (0.114 R)
• M2: 379,979 km (0.104 R)
• M3: 771,626 km (0.097 R)
• M4: 1,256,921 km (0.064 R)
• M5: 1,592,469 km (0.103 R)
• M6: 1,955,992 km (0.12 R)
• M7: 2,823,809 km (0.081 R)
• M8: 3,283,823 km (0.11 R)
• M9: 5,531,381 km (0.117 R)
• M10: 6,611,927 km (0.101 R)
• M11: 7,137,763 km (0.065 R)
• M12: 7,450,572 km (0.049 R)
• M13: 9,093,755 km (0.05 R)
• M14: 10,760,874 km (0.103 R)
• M15: 11,347,447 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.8

Radius: 9.3

Gravity: 8.39 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.5 AU - 2.44 AU

Year: 1909 Days

Day: 12.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,697,339 km

• M1: 115,639 km (0.056 R)
• M2: 425,307 km (0.042 R)
• M3: 731,234 km (0.099 R)
• M4: 1,106,875 km (0.107 R)
• M5: 2,469,562 km (0.063 R)
• M6: 3,221,291 km (0.092 R)
• M7: 3,555,044 km (0.091 R)
• M8: 4,781,597 km (0.114 R)
• M9: 5,217,525 km (0.111 R)
• M10: 5,872,016 km (0.082 R)
• M11: 6,398,002 km (0.072 R)
• M12: 9,245,448 km (0.048 R)
• M13: 9,648,165 km (0.12 R)
• M14: 10,524,958 km (0.072 R)
• M15: 10,853,176 km (0.12 R)
• M16: 11,723,387 km (0.117 R)
• M17: 12,517,303 km (0.052 R)
• M18: 14,478,830 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.6

Radius: 13

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 3.27 AU - 4.01 AU

Year: 4794 Days

Day: 10.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 67,697,339 km

• M1: 161,715 km (0.067 R)
• M2: 595,250 km (0.068 R)
• M3: 1,061,546 km (0.062 R)
• M4: 1,579,305 km (0.057 R)
• M5: 2,052,782 km (0.112 R)
• M6: 2,670,472 km (0.074 R)
• M7: 3,161,452 km (0.099 R)
• M8: 3,692,075 km (0.107 R)
• M9: 4,236,013 km (0.035 R)
• M10: 5,270,782 km (0.062 R)
• M11: 5,763,108 km (0.045 R)
• M12: 6,316,022 km (0.068 R)
• M13: 6,745,966 km (0.101 R)
• M14: 7,665,096 km (0.101 R)
• M15: 9,432,744 km (0.065 R)
• M16: 10,454,348 km (0.093 R)
• M17: 13,355,799 km (0.088 R)
• M18: 13,963,914 km (0.102 R)
• M19: 15,072,434 km (0.088 R)
• M20: 15,843,611 km (0.11 R)
• M21: 20,966,590 km (0.073 R)
• M22: 22,207,654 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252

Radius: 10.1

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 3.37 AU - 4.21 AU

Year: 5093 Days

Day: 14.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,697,339 km

• M1: 125,662 km (0.073 R)
• M2: 512,822 km (0.117 R)
• M3: 1,004,400 km (0.111 R)
• M4: 3,788,566 km (0.11 R)
• M5: 4,463,252 km (0.116 R)
• M6: 4,829,618 km (0.053 R)
• M7: 5,649,264 km (0.116 R)
• M8: 7,373,679 km (0.106 R)
• M9: 7,691,874 km (0.098 R)
• M10: 11,068,148 km (0.077 R)
• M11: 20,497,751 km (0.065 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 516.1

Radius: 5.3

Gravity: 18.37 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 5.16 AU - 6.28 AU

Year: 9443 Days

Day: 23.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,697,339 km

• M1: 66,721 km (0.104 R)
• M2: 318,643 km (0.1 R)
• M3: 500,106 km (0.1 R)
• M4: 1,989,053 km (0.113 R)
• M5: 3,515,999 km (0.088 R)
• M6: 4,199,212 km (0.08 R)
• M7: 4,389,950 km (0.085 R)
• M8: 4,907,109 km (0.11 R)
• M9: 5,088,272 km (0.106 R)
• M10: 6,270,844 km (0.097 R)
• M11: 12,842,528 km (0.051 R)
• M12: 13,955,387 km (0.075 R)
• M13: 14,319,807 km (0.047 R)
• M14: 14,815,575 km (0.077 R)
• M15: 20,810,261 km (0.049 R)
• M16: 25,625,666 km (0.095 R)
• M17: 29,119,375 km (0.085 R)
• M18: 38,084,476 km (0.057 R)
• M19: 39,034,872 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 812.2

Radius: 3.6

Gravity: 62.67 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 7.28 AU - 8.58 AU

Year: 15414 Days

Day: 17.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 64.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 67,697,339 km

• M1: 44,730 km (0.112 R)
• M2: 176,974 km (0.079 R)
• M3: 466,147 km (0.034 R)
• M4: 636,240 km (0.043 R)
• M5: 836,102 km (0.1 R)
• M6: 1,247,646 km (0.119 R)
• M7: 1,467,106 km (0.106 R)
• M8: 3,201,095 km (0.101 R)
• M9: 3,669,785 km (0.045 R)
• M10: 4,088,809 km (0.104 R)
• M11: 5,423,671 km (0.087 R)
• M12: 7,573,392 km (0.106 R)
• M13: 8,101,921 km (0.111 R)
• M14: 10,697,594 km (0.058 R)
• M15: 10,996,341 km (0.108 R)
• M16: 11,989,372 km (0.077 R)
• M17: 14,295,423 km (0.092 R)
• M18: 17,122,673 km (0.057 R)
• M19: 18,198,431 km (0.077 R)
• M20: 20,120,016 km (0.109 R)
• M21: 21,316,949 km (0.1 R)
• M22: 26,471,044 km (0.104 R)
• M23: 28,700,052 km (0.11 R)
• M24: 31,414,206 km (0.037 R)
• M25: 31,535,979 km (0.09 R)
• M26: 34,943,370 km (0.047 R)
• M27: 36,131,476 km (0.098 R)
• M28: 36,399,107 km (0.118 R)
• M29: 37,757,156 km (0.086 R)
• M30: 39,572,676 km (0.056 R)
• M31: 41,008,068 km (0.1 R)
• M32: 44,594,228 km (0.108 R)
• M33: 48,546,005 km (0.033 R)
• M34: 48,708,768 km (0.107 R)
• M35: 50,523,240 km (0.11 R)
• M36: 51,194,037 km (0.101 R)
• M37: 51,870,818 km (0.119 R)
• M38: 58,599,580 km (0.062 R)
• M39: 62,749,126 km (0.105 R)
• M40: 63,718,819 km (0.072 R)
• M41: 66,687,589 km (0.075 R)
• M42: 67,090,307 km (0.108 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 215 - 11,771 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit