🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.8

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.44 AU - 0.56 AU

Year: 232 Days

Day: 29.3 Hours

Environment

Temp: -105 °C

Axial Tilt: 20 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.47 AU - 0.71 AU

Year: 297 Days

Day: 17.2 Hours

Environment

Temp: -117 °C

Axial Tilt: 33.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.8

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.55 AU - 0.75 AU

Year: 344 Days

Day: 26.3 Hours

Environment

Temp: -132 °C

Axial Tilt: 48.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 35,629,218 km

• M1: 153,936 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.9

Radius: 8.8

Gravity: 12.5 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.53 AU - 0.85 AU

Year: 376 Days

Day: 10.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 35,629,218 km

• M1: 109,506 km (0.054 R)
• M2: 397,631 km (0.034 R)
• M3: 671,395 km (0.102 R)
• M4: 1,017,116 km (0.087 R)
• M5: 1,296,116 km (0.057 R)
• M6: 2,082,103 km (0.082 R)
• M7: 2,368,134 km (0.091 R)
• M8: 2,763,073 km (0.083 R)
• M9: 3,076,480 km (0.098 R)
• M10: 3,610,096 km (0.116 R)
• M11: 4,026,127 km (0.08 R)
• M12: 4,401,768 km (0.064 R)
• M13: 4,846,373 km (0.119 R)
• M14: 5,825,939 km (0.102 R)

Asteroid Belt

Center: 0.98 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.7

Radius: 10.4

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.13 AU - 1.41 AU

Year: 939 Days

Day: 6.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 35,629,218 km

• M1: 129,402 km (0.103 R)
• M2: 521,498 km (0.102 R)
• M3: 850,913 km (0.053 R)
• M4: 1,326,784 km (0.094 R)
• M5: 1,727,257 km (0.119 R)
• M6: 2,070,584 km (0.075 R)
• M7: 2,395,212 km (0.064 R)
• M8: 2,897,860 km (0.11 R)
• M9: 3,280,233 km (0.119 R)
• M10: 4,241,548 km (0.071 R)
• M11: 4,788,179 km (0.053 R)
• M12: 5,362,336 km (0.093 R)
• M13: 5,783,304 km (0.087 R)
• M14: 6,123,789 km (0.069 R)
• M15: 7,645,349 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776

Radius: 15

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.57 AU - 2.17 AU

Year: 1678 Days

Day: 13.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 35,629,218 km

• M1: 187,297 km (0.082 R)
• M2: 750,981 km (0.113 R)
• M3: 1,609,972 km (0.105 R)
• M4: 2,154,509 km (0.12 R)
• M5: 3,191,970 km (0.115 R)
• M6: 3,661,408 km (0.098 R)
• M7: 4,824,083 km (0.085 R)
• M8: 7,757,996 km (0.098 R)
• M9: 9,116,045 km (0.117 R)
• M10: 9,768,442 km (0.059 R)
• M11: 11,166,883 km (0.056 R)
• M12: 11,800,280 km (0.111 R)
• M13: 12,735,117 km (0.098 R)
• M14: 13,930,105 km (0.102 R)
• M15: 14,620,798 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.6

Radius: 8.9

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.88 AU - 2 AU

Year: 1773 Days

Day: 5.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 35,629,218 km

• M1: 112,498 km (0.075 R)
• M2: 414,386 km (0.071 R)
• M3: 846,425 km (0.091 R)
• M4: 1,186,910 km (0.089 R)
• M5: 1,573,620 km (0.066 R)
• M6: 2,107,236 km (0.107 R)
• M7: 4,343,275 km (0.114 R)
• M8: 4,623,023 km (0.026 R)
• M9: 4,914,739 km (0.102 R)
• M10: 5,716,733 km (0.105 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.2

Radius: 13.5

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.99 AU - 3.17 AU

Year: 2719 Days

Day: 8.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 35,629,218 km

• M1: 167,998 km (0.114 R)
• M2: 749,785 km (0.113 R)
• M3: 1,378,694 km (0.08 R)
• M4: 2,054,128 km (0.118 R)
• M5: 3,542,478 km (0.111 R)
• M6: 4,013,711 km (0.092 R)
• M7: 4,822,886 km (0.111 R)
• M8: 6,004,709 km (0.093 R)
• M9: 7,247,418 km (0.114 R)
• M10: 9,150,902 km (0.099 R)
• M11: 9,590,869 km (0.113 R)
• M12: 11,409,979 km (0.099 R)
• M13: 11,877,173 km (0.042 R)
• M14: 15,773,899 km (0.106 R)
• M15: 16,247,825 km (0.07 R)
• M16: 17,670,650 km (0.114 R)
• M17: 19,294,236 km (0.106 R)
• M18: 20,763,287 km (0.077 R)
• M19: 21,205,498 km (0.062 R)
• M20: 21,718,619 km (0.062 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.6

Radius: 8.6

Gravity: 8.17 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 3.26 AU - 4.1 AU

Year: 4631 Days

Day: 10.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 35,629,218 km

• M1: 115,190 km (0.098 R)
• M2: 490,681 km (0.117 R)
• M3: 1,407,417 km (0.05 R)
• M4: 1,783,805 km (0.081 R)
• M5: 2,167,224 km (0.087 R)
• M6: 3,895,379 km (0.05 R)
• M7: 4,328,614 km (0.107 R)
• M8: 5,852,717 km (0.115 R)
• M9: 6,672,364 km (0.065 R)
• M10: 8,096,686 km (0.119 R)
• M11: 9,960,675 km (0.03 R)
• M12: 11,216,250 km (0.052 R)
• M13: 13,623,579 km (0.105 R)
• M14: 15,002,572 km (0.1 R)
• M15: 15,333,632 km (0.114 R)
• M16: 16,943,156 km (0.088 R)
• M17: 19,303,660 km (0.07 R)
• M18: 20,698,062 km (0.112 R)
• M19: 25,516,909 km (0.118 R)

Planet 10 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646

Radius: 13.5

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 3.52 AU - 5.8 AU

Year: 6599 Days

Day: 10.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 35,629,218 km

• M1: 167,849 km (0.111 R)
• M2: 913,445 km (0.093 R)
• M3: 1,993,392 km (0.106 R)
• M4: 2,665,984 km (0.105 R)
• M5: 3,508,220 km (0.092 R)
• M6: 4,600,583 km (0.094 R)
• M7: 5,507,296 km (0.064 R)
• M8: 6,164,779 km (0.118 R)
• M9: 6,979,937 km (0.11 R)
• M10: 7,562,621 km (0.118 R)
• M11: 8,537,850 km (0.101 R)
• M12: 9,376,944 km (0.118 R)
• M13: 10,549,343 km (0.07 R)
• M14: 11,367,344 km (0.117 R)
• M15: 16,043,773 km (0.087 R)
• M16: 16,483,591 km (0.091 R)
• M17: 17,060,889 km (0.1 R)
• M18: 23,039,418 km (0.096 R)
• M19: 27,155,753 km (0.095 R)
• M20: 31,836,820 km (0.087 R)
• M21: 32,332,737 km (0.1 R)
• M22: 34,471,837 km (0.106 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 325 - 15,721 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit