🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.2

Radius: 13.5

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.6 AU - 0.8 AU

Year: 397 Days

Day: 6.7 Hours

Environment

Temp: -153 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 70,686,792 km

• M1: 167,998 km (0.082 R)
• M2: 588,069 km (0.077 R)
• M3: 1,080,396 km (0.102 R)
• M4: 1,556,566 km (0.039 R)
• M5: 2,423,934 km (0.085 R)
• M6: 3,029,207 km (0.06 R)
• M7: 3,582,570 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.3

Radius: 15

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.59 AU - 0.99 AU

Year: 476 Days

Day: 14.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,686,792 km

• M1: 186,698 km (0.071 R)
• M2: 756,965 km (0.064 R)
• M3: 1,356,254 km (0.114 R)
• M4: 2,017,178 km (0.091 R)
• M5: 2,791,646 km (0.105 R)
• M6: 3,488,174 km (0.099 R)
• M7: 4,057,244 km (0.041 R)
• M8: 4,657,431 km (0.109 R)
• M9: 5,503,855 km (0.119 R)
• M10: 6,279,520 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.1

Radius: 13.7

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.77 AU - 1.17 AU

Year: 648 Days

Day: 11.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,686,792 km

• M1: 170,392 km (0.105 R)
• M2: 651,050 km (0.109 R)
• M3: 1,239,418 km (0.047 R)
• M4: 1,731,446 km (0.118 R)
• M5: 2,395,660 km (0.108 R)
• M6: 3,366,251 km (0.068 R)
• M7: 4,074,597 km (0.094 R)
• M8: 4,681,815 km (0.088 R)
• M9: 6,236,436 km (0.058 R)
• M10: 7,067,303 km (0.041 R)
• M11: 7,554,992 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.7

Radius: 13.5

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.53 AU - 2.41 AU

Year: 1875 Days

Day: 13.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,686,792 km

• M1: 167,849 km (0.046 R)
• M2: 616,792 km (0.11 R)
• M3: 1,229,545 km (0.045 R)
• M4: 3,047,757 km (0.087 R)
• M5: 3,707,634 km (0.077 R)
• M6: 4,230,478 km (0.036 R)
• M7: 7,626,200 km (0.036 R)
• M8: 8,058,538 km (0.118 R)
• M9: 8,909,750 km (0.063 R)
• M10: 10,332,875 km (0.11 R)
• M11: 11,750,165 km (0.117 R)
• M12: 13,129,158 km (0.084 R)
• M13: 14,178,437 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.7

Radius: 13.7

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.61 AU - 3.25 AU

Year: 3402 Days

Day: 11.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,686,792 km

• M1: 170,841 km (0.1 R)
• M2: 775,665 km (0.045 R)
• M3: 1,924,876 km (0.041 R)
• M4: 2,378,457 km (0.093 R)
• M5: 3,178,805 km (0.089 R)
• M6: 4,943,910 km (0.03 R)
• M7: 7,900,862 km (0.106 R)
• M8: 9,014,618 km (0.113 R)
• M9: 10,045,048 km (0.098 R)
• M10: 10,531,840 km (0.112 R)
• M11: 11,231,808 km (0.109 R)
• M12: 13,791,727 km (0.07 R)
• M13: 14,821,110 km (0.093 R)
• M14: 15,354,725 km (0.109 R)
• M15: 17,350,810 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.4

Radius: 12

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 4.43 AU - 6.33 AU

Year: 8464 Days

Day: 9.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,686,792 km

• M1: 251,923 km (0.079 R)
• M2: 626,366 km (0.109 R)
• M3: 1,531,433 km (0.084 R)
• M4: 1,936,993 km (0.109 R)
• M5: 2,971,612 km (0.117 R)
• M6: 3,946,093 km (0.115 R)
• M7: 4,518,903 km (0.064 R)
• M8: 7,108,292 km (0.084 R)
• M9: 7,668,088 km (0.093 R)
• M10: 10,880,104 km (0.114 R)
• M11: 11,289,703 km (0.082 R)
• M12: 12,139,718 km (0.034 R)
• M13: 14,015,376 km (0.113 R)
• M14: 17,429,199 km (0.116 R)
• M15: 17,820,996 km (0.101 R)
• M16: 19,808,852 km (0.1 R)
• M17: 20,668,741 km (0.114 R)
• M18: 21,044,830 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 715.3

Radius: 7.1

Gravity: 14.19 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 8.32 AU - 9.16 AU

Year: 17525 Days

Day: 15.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 70,686,792 km

• M1: 88,712 km (0.083 R)
• M2: 331,359 km (0.1 R)
• M3: 839,992 km (0.041 R)
• M4: 1,113,906 km (0.119 R)
• M5: 1,432,100 km (0.067 R)
• M6: 2,091,378 km (0.071 R)
• M7: 2,511,748 km (0.11 R)
• M8: 2,962,187 km (0.085 R)
• M9: 4,085,817 km (0.03 R)
• M10: 6,061,257 km (0.082 R)
• M11: 6,564,504 km (0.066 R)
• M12: 7,702,346 km (0.118 R)
• M13: 9,288,981 km (0.062 R)
• M14: 10,304,152 km (0.102 R)
• M15: 12,027,370 km (0.115 R)
• M16: 12,619,777 km (0.086 R)
• M17: 13,439,873 km (0.119 R)
• M18: 14,077,758 km (0.064 R)
• M19: 15,567,454 km (0.113 R)
• M20: 16,832,603 km (0.106 R)
• M21: 19,566,055 km (0.09 R)
• M22: 19,927,334 km (0.053 R)
• M23: 20,570,156 km (0.108 R)
• M24: 21,608,216 km (0.116 R)
• M25: 22,581,799 km (0.082 R)
• M26: 23,381,549 km (0.041 R)
• M27: 25,893,895 km (0.085 R)
• M28: 26,548,985 km (0.058 R)
• M29: 28,580,673 km (0.111 R)
• M30: 29,516,109 km (0.03 R)
• M31: 41,634,135 km (0.103 R)
• M32: 46,098,285 km (0.08 R)
• M33: 48,035,427 km (0.106 R)
• M34: 56,509,100 km (0.058 R)
• M35: 56,874,717 km (0.093 R)
• M36: 61,771,803 km (0.077 R)
• M37: 64,920,988 km (0.071 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 404 - 17,264 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit