🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.1

Radius: 11.5

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.1 AU - 1.32 AU

Year: 873 Days

Day: 8.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,163,558 km

• M1: 143,315 km (0.066 R)
• M2: 708,346 km (0.103 R)
• M3: 1,423,424 km (0.061 R)
• M4: 1,879,248 km (0.091 R)
• M5: 2,336,569 km (0.076 R)
• M6: 3,506,125 km (0.115 R)
• M7: 3,927,393 km (0.029 R)
• M8: 6,848,890 km (0.064 R)
• M9: 7,463,737 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.4

Radius: 14.7

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.46 AU - 1.56 AU

Year: 1217 Days

Day: 8.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 66,163,558 km

• M1: 182,809 km (0.044 R)
• M2: 881,879 km (0.096 R)
• M3: 3,371,786 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.4

Radius: 13.7

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.89 AU - 3.01 AU

Year: 2516 Days

Day: 11.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,163,558 km

• M1: 170,392 km (0.074 R)
• M2: 609,761 km (0.062 R)
• M3: 1,045,988 km (0.074 R)
• M4: 1,476,232 km (0.038 R)
• M5: 2,201,033 km (0.101 R)
• M6: 3,621,914 km (0.112 R)
• M7: 4,699,617 km (0.036 R)
• M8: 8,323,925 km (0.112 R)
• M9: 9,105,873 km (0.05 R)
• M10: 9,685,116 km (0.096 R)
• M11: 10,288,893 km (0.09 R)
• M12: 12,325,518 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.8

Radius: 10.7

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.76 AU - 2.92 AU

Year: 3140 Days

Day: 9 Hours

Environment

Temp: -201 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,163,558 km

• M1: 133,142 km (0.084 R)
• M2: 480,060 km (0.094 R)
• M3: 930,200 km (0.106 R)
• M4: 1,801,607 km (0.109 R)
• M5: 2,146,281 km (0.073 R)
• M6: 3,067,953 km (0.056 R)
• M7: 4,214,920 km (0.068 R)
• M8: 4,897,535 km (0.083 R)
• M9: 5,408,412 km (0.037 R)
• M10: 6,135,906 km (0.115 R)
• M11: 6,647,082 km (0.093 R)
• M12: 8,256,606 km (0.095 R)
• M13: 9,186,656 km (0.076 R)
• M14: 11,493,156 km (0.115 R)
• M15: 13,932,199 km (0.098 R)
• M16: 14,674,504 km (0.097 R)
• M17: 15,394,369 km (0.1 R)
• M18: 16,492,268 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.8

Radius: 8.3

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 4.29 AU - 4.89 AU

Year: 6451 Days

Day: 9.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 66,163,558 km

• M1: 103,223 km (0.044 R)
• M2: 535,112 km (0.115 R)
• M3: 2,015,233 km (0.1 R)
• M4: 2,365,292 km (0.12 R)
• M5: 2,882,751 km (0.106 R)
• M6: 4,262,642 km (0.101 R)
• M7: 5,736,330 km (0.068 R)
• M8: 6,834,977 km (0.051 R)
• M9: 7,276,889 km (0.069 R)
• M10: 8,293,257 km (0.085 R)
• M11: 8,835,699 km (0.115 R)
• M12: 10,560,712 km (0.115 R)
• M13: 14,775,183 km (0.037 R)
• M14: 16,760,048 km (0.097 R)
• M15: 19,382,349 km (0.116 R)
• M16: 20,615,484 km (0.118 R)
• M17: 21,900,081 km (0.047 R)
• M18: 23,771,700 km (0.079 R)
• M19: 25,103,719 km (0.114 R)
• M20: 26,567,535 km (0.1 R)
• M21: 26,984,015 km (0.1 R)
• M22: 28,781,284 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.8

Radius: 9.5

Gravity: 8.36 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 4.02 AU - 5.24 AU

Year: 6536 Days

Day: 6.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 66,163,558 km

• M1: 118,182 km (0.106 R)
• M2: 503,247 km (0.115 R)
• M3: 817,702 km (0.12 R)
• M4: 1,214,735 km (0.102 R)
• M5: 1,657,694 km (0.085 R)
• M6: 2,587,146 km (0.099 R)
• M7: 3,219,795 km (0.081 R)
• M8: 3,596,034 km (0.094 R)
• M9: 4,384,564 km (0.076 R)
• M10: 5,019,457 km (0.097 R)
• M11: 5,496,375 km (0.086 R)
• M12: 7,332,390 km (0.119 R)
• M13: 8,267,227 km (0.115 R)
• M14: 9,323,388 km (0.06 R)
• M15: 9,998,822 km (0.041 R)
• M16: 11,048,102 km (0.08 R)
• M17: 11,650,682 km (0.071 R)
• M18: 13,197,075 km (0.03 R)
• M19: 16,305,121 km (0.114 R)
• M20: 17,086,022 km (0.081 R)
• M21: 19,724,180 km (0.106 R)
• M22: 21,600,885 km (0.103 R)
• M23: 23,840,964 km (0.112 R)
• M24: 24,761,888 km (0.058 R)
• M25: 31,483,620 km (0.088 R)
• M26: 31,883,645 km (0.073 R)
• M27: 32,489,965 km (0.099 R)
• M28: 34,672,747 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 826.9

Radius: 8

Gravity: 12.92 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 7.08 AU - 8.86 AU

Year: 14760 Days

Day: 18.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 66,163,558 km

• M1: 100,081 km (0.077 R)
• M2: 412,741 km (0.087 R)
• M3: 746,942 km (0.105 R)
• M4: 1,059,153 km (0.026 R)
• M5: 1,399,787 km (0.087 R)
• M6: 1,830,180 km (0.093 R)
• M7: 2,495,292 km (0.083 R)
• M8: 3,639,417 km (0.105 R)
• M9: 4,018,348 km (0.099 R)
• M10: 4,994,026 km (0.044 R)
• M11: 7,090,640 km (0.109 R)
• M12: 7,824,417 km (0.055 R)
• M13: 10,676,501 km (0.074 R)
• M14: 12,398,672 km (0.1 R)
• M15: 16,935,227 km (0.051 R)
• M16: 17,662,422 km (0.056 R)
• M17: 18,834,821 km (0.119 R)
• M18: 20,327,059 km (0.119 R)
• M19: 23,744,473 km (0.047 R)
• M20: 26,117,694 km (0.095 R)
• M21: 27,858,863 km (0.113 R)
• M22: 29,908,803 km (0.066 R)
• M23: 30,259,909 km (0.1 R)
• M24: 31,450,260 km (0.084 R)
• M25: 34,434,139 km (0.065 R)
• M26: 36,126,839 km (0.082 R)
• M27: 38,147,756 km (0.084 R)
• M28: 41,102,165 km (0.1 R)
• M29: 44,357,265 km (0.061 R)
• M30: 44,661,397 km (0.109 R)
• M31: 47,145,171 km (0.08 R)
• M32: 54,100,275 km (0.085 R)
• M33: 55,851,467 km (0.109 R)
• M34: 56,562,506 km (0.117 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: 220 - 15,850 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit