🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769

Radius: 9.4

Gravity: 8.7 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.5 AU - 0.64 AU

Year: 292 Days

Day: 5.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,864,370 km

• M1: 116,986 km (0.104 R)
• M2: 475,422 km (0.112 R)
• M3: 921,373 km (0.069 R)
• M4: 1,422,975 km (0.091 R)
• M5: 1,886,579 km (0.089 R)
• M6: 2,252,495 km (0.063 R)
• M7: 2,750,357 km (0.07 R)
• M8: 3,191,820 km (0.084 R)
• M9: 3,679,958 km (0.115 R)
• M10: 4,103,170 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.2

Radius: 8.8

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.17 AU - 1.57 AU

Year: 1088 Days

Day: 8.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,864,370 km

• M1: 109,506 km (0.055 R)
• M2: 522,695 km (0.097 R)
• M3: 1,125,126 km (0.093 R)
• M4: 1,465,162 km (0.11 R)
• M5: 2,711,910 km (0.027 R)
• M6: 3,050,001 km (0.104 R)
• M7: 4,043,780 km (0.115 R)
• M8: 4,641,274 km (0.104 R)
• M9: 6,545,505 km (0.106 R)
• M10: 6,994,897 km (0.118 R)
• M11: 7,297,983 km (0.119 R)
• M12: 8,157,721 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.8

Radius: 14.7

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 3.17 AU - 3.47 AU

Year: 4103 Days

Day: 7.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 61,864,370 km

• M1: 183,108 km (0.089 R)
• M2: 709,842 km (0.08 R)
• M3: 1,341,594 km (0.094 R)
• M4: 1,828,086 km (0.103 R)
• M5: 2,941,244 km (0.109 R)
• M6: 3,558,485 km (0.072 R)
• M7: 4,017,301 km (0.053 R)
• M8: 5,315,512 km (0.095 R)
• M9: 6,004,559 km (0.096 R)
• M10: 6,941,192 km (0.103 R)
• M11: 7,697,558 km (0.108 R)
• M12: 12,664,806 km (0.113 R)
• M13: 13,246,891 km (0.11 R)
• M14: 13,999,369 km (0.059 R)
• M15: 15,047,003 km (0.113 R)
• M16: 16,486,284 km (0.069 R)
• M17: 18,320,354 km (0.107 R)
• M18: 18,814,924 km (0.073 R)
• M19: 19,573,685 km (0.058 R)
• M20: 22,743,364 km (0.1 R)
• M21: 23,896,315 km (0.116 R)
• M22: 25,088,012 km (0.09 R)
• M23: 25,698,521 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.3

Radius: 13.8

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 3.07 AU - 4.33 AU

Year: 4827 Days

Day: 13.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 61,864,370 km

• M1: 174,431 km (0.044 R)
• M2: 617,241 km (0.056 R)
• M3: 1,332,468 km (0.084 R)
• M4: 2,180,539 km (0.112 R)
• M5: 2,875,570 km (0.062 R)
• M6: 3,465,435 km (0.073 R)
• M7: 5,536,617 km (0.053 R)
• M8: 6,581,110 km (0.075 R)
• M9: 7,752,910 km (0.062 R)
• M10: 10,815,627 km (0.065 R)
• M11: 14,500,372 km (0.117 R)
• M12: 19,275,985 km (0.055 R)
• M13: 19,938,554 km (0.094 R)
• M14: 21,030,169 km (0.086 R)
• M15: 22,741,719 km (0.093 R)
• M16: 24,390,736 km (0.116 R)
• M17: 27,176,548 km (0.1 R)
• M18: 27,841,959 km (0.112 R)
• M19: 28,348,198 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915.9

Radius: 11.9

Gravity: 6.47 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 3.64 AU - 5.38 AU

Year: 6496 Days

Day: 13.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 61,864,370 km

• M1: 156,479 km (0.047 R)
• M2: 540,198 km (0.089 R)
• M3: 1,150,707 km (0.079 R)
• M4: 1,754,334 km (0.114 R)
• M5: 2,262,369 km (0.116 R)
• M6: 2,635,765 km (0.036 R)
• M7: 4,141,168 km (0.059 R)
• M8: 4,992,380 km (0.033 R)
• M9: 5,382,531 km (0.062 R)
• M10: 7,003,873 km (0.09 R)
• M11: 7,610,792 km (0.053 R)
• M12: 8,088,607 km (0.089 R)
• M13: 8,929,796 km (0.077 R)
• M14: 13,224,153 km (0.075 R)
• M15: 14,511,442 km (0.045 R)
• M16: 17,676,185 km (0.11 R)
• M17: 18,092,965 km (0.118 R)
• M18: 18,946,271 km (0.069 R)
• M19: 19,826,056 km (0.068 R)
• M20: 25,072,454 km (0.09 R)
• M21: 30,278,310 km (0.119 R)
• M22: 32,299,826 km (0.102 R)
• M23: 35,388,573 km (0.113 R)
• M24: 37,744,740 km (0.038 R)
• M25: 38,205,052 km (0.065 R)
• M26: 39,608,579 km (0.084 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 244.4

Radius: 5.8

Gravity: 7.27 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 7.25 AU - 8.93 AU

Year: 15607 Days

Day: 17 Hours

Environment

Temp: -238 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 61,864,370 km

• M1: 72,106 km (0.069 R)
• M2: 273,615 km (0.086 R)
• M3: 687,851 km (0.076 R)
• M4: 893,548 km (0.106 R)
• M5: 1,186,012 km (0.051 R)
• M6: 1,485,956 km (0.086 R)
• M7: 2,238,583 km (0.078 R)
• M8: 2,442,185 km (0.117 R)
• M9: 3,105,951 km (0.093 R)
• M10: 5,678,735 km (0.085 R)
• M11: 8,982,754 km (0.052 R)
• M12: 9,168,405 km (0.083 R)
• M13: 9,404,171 km (0.119 R)
• M14: 10,799,321 km (0.1 R)
• M15: 13,746,399 km (0.11 R)
• M16: 14,305,745 km (0.11 R)
• M17: 15,469,766 km (0.037 R)
• M18: 21,578,446 km (0.09 R)
• M19: 23,719,042 km (0.107 R)
• M20: 28,417,013 km (0.059 R)
• M21: 31,728,212 km (0.086 R)
• M22: 36,217,495 km (0.116 R)
• M23: 37,762,991 km (0.071 R)
• M24: 42,141,571 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 572.2

Radius: 5.2

Gravity: 21.16 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 7.84 AU - 8.64 AU

Year: 16043 Days

Day: 15.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 61,864,370 km

• M1: 64,626 km (0.053 R)
• M2: 362,924 km (0.096 R)
• M3: 636,988 km (0.117 R)
• M4: 1,138,440 km (0.117 R)
• M5: 1,364,033 km (0.075 R)
• M6: 1,635,105 km (0.049 R)
• M7: 2,127,880 km (0.057 R)
• M8: 2,305,752 km (0.098 R)
• M9: 3,069,748 km (0.109 R)
• M10: 5,293,221 km (0.109 R)
• M11: 6,040,912 km (0.111 R)
• M12: 7,202,689 km (0.11 R)
• M13: 8,956,275 km (0.104 R)
• M14: 11,509,611 km (0.104 R)
• M15: 12,247,727 km (0.113 R)
• M16: 12,821,734 km (0.092 R)
• M17: 14,722,076 km (0.056 R)
• M18: 17,912,699 km (0.085 R)
• M19: 20,721,549 km (0.03 R)
• M20: 24,007,167 km (0.102 R)
• M21: 25,209,036 km (0.083 R)
• M22: 31,944,082 km (0.091 R)
• M23: 32,183,140 km (0.113 R)
• M24: 34,388,960 km (0.115 R)
• M25: 45,116,623 km (0.091 R)
• M26: 47,097,299 km (0.112 R)
• M27: 47,562,399 km (0.118 R)
• M28: 48,344,497 km (0.093 R)
• M29: 51,230,838 km (0.046 R)
• M30: 55,945,864 km (0.117 R)
• M31: 58,945,151 km (0.069 R)
• M32: 59,124,818 km (0.103 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 232 - 19,394 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit