🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.5 AU - 0.66 AU

Year: 285 Days

Day: 27.3 Hours

Environment

Temp: -134 °C

Axial Tilt: 25 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.66 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.8

Radius: 11.1

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.72 AU - 2.76 AU

Year: 2928 Days

Day: 14.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,575,029 km

• M1: 138,079 km (0.066 R)
• M2: 788,530 km (0.101 R)
• M3: 1,184,666 km (0.092 R)
• M4: 1,826,291 km (0.117 R)
• M5: 2,227,662 km (0.107 R)
• M6: 2,643,394 km (0.1 R)
• M7: 3,094,731 km (0.077 R)
• M8: 3,955,218 km (0.029 R)
• M9: 5,659,886 km (0.04 R)
• M10: 7,746,776 km (0.036 R)
• M11: 8,878,334 km (0.113 R)
• M12: 10,340,055 km (0.071 R)
• M13: 12,039,487 km (0.034 R)
• M14: 16,084,613 km (0.086 R)
• M15: 16,958,863 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.3

Radius: 13.9

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.76 AU - 3.56 AU

Year: 3627 Days

Day: 13 Hours

Environment

Temp: -197 °C

Axial Tilt: 74.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,575,029 km

• M1: 172,935 km (0.099 R)
• M2: 984,504 km (0.103 R)
• M3: 1,418,188 km (0.047 R)
• M4: 1,854,266 km (0.077 R)
• M5: 2,321,909 km (0.076 R)
• M6: 2,868,838 km (0.047 R)
• M7: 3,622,662 km (0.102 R)
• M8: 5,919,139 km (0.09 R)
• M9: 7,748,571 km (0.044 R)
• M10: 8,386,457 km (0.108 R)
• M11: 9,408,958 km (0.086 R)
• M12: 10,177,143 km (0.115 R)
• M13: 12,210,627 km (0.086 R)
• M14: 16,314,845 km (0.106 R)
• M15: 19,405,836 km (0.066 R)
• M16: 20,785,427 km (0.108 R)
• M17: 22,511,787 km (0.118 R)
• M18: 23,519,478 km (0.111 R)
• M19: 24,707,584 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.2

Radius: 8.6

Gravity: 10.83 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.7 AU - 4.5 AU

Year: 4410 Days

Day: 11.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,575,029 km

• M1: 108,458 km (0.099 R)
• M2: 421,567 km (0.118 R)
• M3: 886,218 km (0.11 R)
• M4: 1,367,624 km (0.04 R)
• M5: 1,796,820 km (0.11 R)
• M6: 2,853,131 km (0.079 R)
• M7: 3,291,004 km (0.05 R)
• M8: 4,325,772 km (0.067 R)
• M9: 4,800,446 km (0.091 R)
• M10: 5,824,892 km (0.092 R)
• M11: 9,193,388 km (0.117 R)
• M12: 10,988,861 km (0.059 R)
• M13: 12,259,546 km (0.113 R)
• M14: 13,573,164 km (0.115 R)
• M15: 15,315,680 km (0.11 R)
• M16: 17,697,428 km (0.047 R)
• M17: 20,042,824 km (0.101 R)
• M18: 22,661,534 km (0.07 R)
• M19: 25,901,076 km (0.081 R)
• M20: 28,395,621 km (0.083 R)
• M21: 28,826,313 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.2

Radius: 14.1

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 4.18 AU - 4.78 AU

Year: 6123 Days

Day: 12.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 55,575,029 km

• M1: 175,478 km (0.119 R)
• M2: 796,309 km (0.089 R)
• M3: 1,258,567 km (0.109 R)
• M4: 1,838,259 km (0.119 R)
• M5: 2,998,390 km (0.084 R)
• M6: 3,819,533 km (0.112 R)
• M7: 4,948,698 km (0.054 R)
• M8: 5,429,505 km (0.07 R)
• M9: 6,354,768 km (0.074 R)
• M10: 7,168,580 km (0.083 R)
• M11: 7,936,765 km (0.086 R)
• M12: 8,963,456 km (0.093 R)
• M13: 9,899,639 km (0.095 R)
• M14: 10,437,294 km (0.091 R)
• M15: 13,102,530 km (0.08 R)
• M16: 14,421,684 km (0.066 R)
• M17: 15,707,178 km (0.093 R)
• M18: 16,877,781 km (0.099 R)
• M19: 17,581,639 km (0.048 R)
• M20: 18,640,343 km (0.094 R)
• M21: 21,398,779 km (0.095 R)
• M22: 21,996,572 km (0.104 R)
• M23: 23,936,856 km (0.102 R)
• M24: 24,907,746 km (0.049 R)
• M25: 25,569,418 km (0.069 R)
• M26: 26,498,420 km (0.113 R)
• M27: 27,274,983 km (0.104 R)
• M28: 31,101,996 km (0.064 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.8

Radius: 14.2

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 4.14 AU - 6.32 AU

Year: 7723 Days

Day: 13.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,575,029 km

• M1: 178,769 km (0.098 R)
• M2: 969,245 km (0.101 R)
• M3: 3,546,517 km (0.093 R)
• M4: 6,436,448 km (0.106 R)
• M5: 10,147,523 km (0.055 R)
• M6: 12,434,425 km (0.113 R)
• M7: 13,077,846 km (0.114 R)
• M8: 15,531,401 km (0.114 R)
• M9: 17,153,640 km (0.056 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.2

Radius: 10.2

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 4.78 AU - 6.26 AU

Year: 8374 Days

Day: 8.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,575,029 km

• M1: 126,859 km (0.083 R)
• M2: 578,944 km (0.112 R)
• M3: 1,028,037 km (0.072 R)
• M4: 1,741,170 km (0.115 R)
• M5: 2,272,541 km (0.06 R)
• M6: 2,625,293 km (0.081 R)
• M7: 3,461,994 km (0.102 R)
• M8: 4,306,324 km (0.065 R)
• M9: 5,230,390 km (0.081 R)
• M10: 6,049,139 km (0.117 R)
• M11: 8,432,832 km (0.106 R)
• M12: 9,020,602 km (0.04 R)
• M13: 19,921,649 km (0.098 R)
• M14: 21,030,768 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 302.5

Radius: 5.2

Gravity: 11.19 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 8.47 AU - 10.45 AU

Year: 18787 Days

Day: 22.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 55,575,029 km

• M1: 64,626 km (0.083 R)
• M2: 292,015 km (0.077 R)
• M3: 832,063 km (0.065 R)
• M4: 1,219,073 km (0.091 R)
• M5: 1,578,557 km (0.087 R)
• M6: 1,849,778 km (0.106 R)
• M7: 3,537,990 km (0.109 R)
• M8: 4,296,002 km (0.117 R)
• M9: 5,827,884 km (0.105 R)
• M10: 6,280,717 km (0.098 R)
• M11: 9,761,111 km (0.119 R)
• M12: 10,672,910 km (0.113 R)
• M13: 11,995,056 km (0.114 R)
• M14: 13,552,071 km (0.084 R)
• M15: 15,592,436 km (0.101 R)
• M16: 16,462,946 km (0.093 R)
• M17: 23,765,267 km (0.108 R)
• M18: 24,528,665 km (0.115 R)
• M19: 25,903,918 km (0.114 R)
• M20: 27,433,407 km (0.112 R)
• M21: 34,760,112 km (0.119 R)
• M22: 35,619,253 km (0.104 R)
• M23: 36,997,797 km (0.062 R)
• M24: 38,803,294 km (0.12 R)
• M25: 39,329,879 km (0.063 R)
• M26: 43,714,143 km (0.118 R)
• M27: 52,310,635 km (0.098 R)
• M28: 52,953,009 km (0.063 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 489 - 18,957 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit