🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.5

Radius: 13.6

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.72 AU - 0.72 AU

Year: 422 Days

Day: 10.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,224,820 km

• M1: 169,195 km (0.118 R)
• M2: 607,367 km (0.113 R)
• M3: 1,192,893 km (0.086 R)
• M4: 1,815,221 km (0.104 R)
• M5: 2,257,432 km (0.027 R)
• M6: 2,720,736 km (0.112 R)
• M7: 3,247,770 km (0.053 R)
• M8: 4,030,017 km (0.07 R)
• M9: 4,481,055 km (0.11 R)
• M10: 5,092,461 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.1

Radius: 11.3

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.14 AU - 1.24 AU

Year: 896 Days

Day: 13.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,224,820 km

• M1: 140,622 km (0.114 R)
• M2: 563,685 km (0.112 R)
• M3: 960,269 km (0.065 R)
• M4: 1,404,724 km (0.101 R)
• M5: 2,031,539 km (0.063 R)
• M6: 2,389,976 km (0.103 R)
• M7: 2,907,285 km (0.083 R)
• M8: 4,078,038 km (0.075 R)
• M9: 4,526,084 km (0.094 R)
• M10: 6,229,106 km (0.083 R)
• M11: 6,825,253 km (0.101 R)
• M12: 7,391,631 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.1

Radius: 9.9

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 3.16 AU - 3.74 AU

Year: 4423 Days

Day: 8.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,224,820 km

• M1: 123,119 km (0.058 R)
• M2: 486,043 km (0.047 R)
• M3: 1,003,353 km (0.071 R)
• M4: 1,701,377 km (0.076 R)
• M5: 2,559,919 km (0.047 R)
• M6: 3,753,111 km (0.096 R)
• M7: 6,114,813 km (0.112 R)
• M8: 6,486,115 km (0.094 R)
• M9: 6,898,706 km (0.115 R)
• M10: 7,606,603 km (0.119 R)
• M11: 9,167,058 km (0.03 R)
• M12: 9,654,299 km (0.12 R)
• M13: 12,045,022 km (0.047 R)
• M14: 14,761,420 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.5

Radius: 11.1

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 3.33 AU - 4.87 AU

Year: 5730 Days

Day: 5.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,224,820 km

• M1: 152,739 km (0.069 R)
• M2: 804,986 km (0.114 R)
• M3: 1,192,893 km (0.061 R)
• M4: 1,963,322 km (0.096 R)
• M5: 2,367,985 km (0.102 R)
• M6: 3,348,599 km (0.037 R)
• M7: 3,755,505 km (0.111 R)
• M8: 6,229,854 km (0.118 R)
• M9: 11,460,394 km (0.097 R)
• M10: 12,740,951 km (0.108 R)
• M11: 13,188,399 km (0.106 R)
• M12: 14,497,230 km (0.085 R)
• M13: 17,100,533 km (0.038 R)
• M14: 17,922,124 km (0.117 R)
• M15: 19,643,846 km (0.12 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 506.3

Radius: 6.5

Gravity: 11.98 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 6.05 AU - 6.25 AU

Year: 10527 Days

Day: 20 Hours

Environment

Temp: -220 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 66,224,820 km

• M1: 80,932 km (0.072 R)
• M2: 402,717 km (0.104 R)
• M3: 895,194 km (0.108 R)
• M4: 1,206,956 km (0.079 R)
• M5: 1,547,740 km (0.107 R)
• M6: 1,763,908 km (0.097 R)
• M7: 2,275,683 km (0.098 R)
• M8: 2,777,584 km (0.061 R)
• M9: 3,493,260 km (0.051 R)
• M10: 4,133,240 km (0.103 R)
• M11: 4,553,011 km (0.111 R)
• M12: 5,031,874 km (0.074 R)
• M13: 5,380,138 km (0.089 R)
• M14: 5,744,259 km (0.079 R)
• M15: 9,799,259 km (0.092 R)
• M16: 10,393,013 km (0.029 R)
• M17: 13,849,172 km (0.057 R)
• M18: 15,701,194 km (0.088 R)
• M19: 17,425,010 km (0.084 R)
• M20: 18,002,309 km (0.069 R)
• M21: 18,666,972 km (0.116 R)
• M22: 19,501,279 km (0.065 R)
• M23: 22,069,725 km (0.109 R)
• M24: 23,174,655 km (0.112 R)
• M25: 24,137,916 km (0.117 R)
• M26: 25,127,655 km (0.1 R)
• M27: 26,710,101 km (0.087 R)
• M28: 35,858,759 km (0.113 R)
• M29: 40,813,590 km (0.036 R)
• M30: 41,702,650 km (0.098 R)
• M31: 43,125,925 km (0.051 R)
• M32: 43,783,407 km (0.044 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 50.2

Radius: 4.4

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 5.41 AU - 8.75 AU

Year: 13004 Days

Day: 15.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,224,820 km

• M1: 888,312 km (0.082 R)
• M2: 1,923,978 km (0.099 R)
• M3: 2,530,149 km (0.09 R)
• M4: 4,021,490 km (0.085 R)
• M5: 7,257,741 km (0.073 R)
• M6: 10,234,439 km (0.087 R)
• M7: 12,262,089 km (0.1 R)
• M8: 15,539,479 km (0.119 R)
• M9: 17,552,019 km (0.084 R)
• M10: 18,021,607 km (0.079 R)
• M11: 18,379,445 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 939.5

Radius: 8

Gravity: 14.68 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 6.62 AU - 8.16 AU

Year: 13867 Days

Day: 24.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 66,224,820 km

• M1: 99,483 km (0.116 R)
• M2: 350,508 km (0.088 R)
• M3: 694,583 km (0.05 R)
• M4: 1,048,382 km (0.096 R)
• M5: 1,535,622 km (0.095 R)
• M6: 1,814,473 km (0.045 R)
• M7: 2,432,910 km (0.098 R)
• M8: 2,838,470 km (0.084 R)
• M9: 3,210,370 km (0.112 R)
• M10: 3,670,982 km (0.094 R)
• M11: 4,825,728 km (0.079 R)
• M12: 5,393,751 km (0.093 R)
• M13: 6,705,276 km (0.102 R)
• M14: 8,315,697 km (0.113 R)
• M15: 9,668,062 km (0.071 R)
• M16: 10,511,794 km (0.079 R)
• M17: 10,803,809 km (0.093 R)
• M18: 11,161,198 km (0.074 R)
• M19: 14,169,312 km (0.059 R)
• M20: 21,260,550 km (0.117 R)
• M21: 21,916,836 km (0.105 R)
• M22: 22,780,465 km (0.04 R)
• M23: 31,358,855 km (0.094 R)
• M24: 39,432,353 km (0.085 R)
• M25: 41,140,162 km (0.106 R)
• M26: 43,793,580 km (0.049 R)
• M27: 46,715,825 km (0.084 R)
• M28: 49,601,867 km (0.098 R)
• M29: 49,929,636 km (0.109 R)
• M30: 51,758,619 km (0.052 R)
• M31: 53,977,156 km (0.087 R)
• M32: 54,847,067 km (0.084 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 280 - 17,775 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit