🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.6

Radius: 10.4

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.45 AU - 0.73 AU

Year: 313 Days

Day: 5 Hours

Environment

Temp: -146 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 72,803,288 km

• M1: 129,402 km (0.092 R)
• M2: 527,931 km (0.08 R)
• M3: 1,462,170 km (0.109 R)
• M4: 2,246,960 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111

Radius: 8.7

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.67 AU - 1.03 AU

Year: 541 Days

Day: 9.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 72,803,288 km

• M1: 108,159 km (0.101 R)
• M2: 578,345 km (0.107 R)
• M3: 1,077,553 km (0.104 R)
• M4: 1,479,972 km (0.08 R)
• M5: 1,823,897 km (0.044 R)
• M6: 2,392,668 km (0.063 R)
• M7: 2,745,271 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441

Radius: 13.5

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.92 AU - 1.34 AU

Year: 829 Days

Day: 8.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,803,288 km

• M1: 167,849 km (0.082 R)
• M2: 590,463 km (0.099 R)
• M3: 1,041,201 km (0.101 R)
• M4: 1,498,821 km (0.077 R)
• M5: 2,352,127 km (0.117 R)
• M6: 2,936,157 km (0.098 R)
• M7: 4,461,308 km (0.06 R)
• M8: 5,100,988 km (0.08 R)
• M9: 6,010,244 km (0.079 R)
• M10: 6,524,262 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.3

Radius: 9.1

Gravity: 10.96 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.58 AU - 2.86 AU

Year: 3096 Days

Day: 9.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,803,288 km

• M1: 115,340 km (0.032 R)
• M2: 432,338 km (0.102 R)
• M3: 716,424 km (0.027 R)
• M4: 1,428,959 km (0.095 R)
• M5: 2,477,939 km (0.104 R)
• M6: 3,146,791 km (0.091 R)
• M7: 3,603,065 km (0.053 R)
• M8: 4,415,381 km (0.105 R)
• M9: 4,791,919 km (0.043 R)
• M10: 6,024,007 km (0.057 R)
• M11: 6,488,209 km (0.108 R)
• M12: 8,373,591 km (0.065 R)
• M13: 10,806,950 km (0.097 R)
• M14: 11,189,322 km (0.083 R)
• M15: 13,480,713 km (0.027 R)
• M16: 17,018,403 km (0.05 R)
• M17: 20,286,070 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527.9

Radius: 14.5

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.19 AU - 3.65 AU

Year: 3444 Days

Day: 8.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,803,288 km

• M1: 180,265 km (0.049 R)
• M2: 895,194 km (0.116 R)
• M3: 1,421,479 km (0.115 R)
• M4: 2,054,577 km (0.072 R)
• M5: 3,314,341 km (0.085 R)
• M6: 3,781,834 km (0.093 R)
• M7: 5,040,551 km (0.097 R)
• M8: 5,509,091 km (0.066 R)
• M9: 6,308,393 km (0.108 R)
• M10: 8,613,247 km (0.102 R)
• M11: 9,141,627 km (0.117 R)
• M12: 10,109,076 km (0.106 R)
• M13: 14,231,993 km (0.074 R)
• M14: 15,999,193 km (0.094 R)
• M15: 16,963,052 km (0.074 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 355.4

Radius: 7.1

Gravity: 7.05 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 8.35 AU - 8.93 AU

Year: 17530 Days

Day: 20.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,803,288 km

• M1: 89,759 km (0.09 R)
• M2: 419,772 km (0.056 R)
• M3: 983,008 km (0.097 R)
• M4: 3,913,480 km (0.108 R)
• M5: 4,201,007 km (0.03 R)
• M6: 4,916,085 km (0.104 R)
• M7: 7,859,124 km (0.068 R)
• M8: 9,339,395 km (0.118 R)
• M9: 9,906,670 km (0.061 R)
• M10: 14,201,625 km (0.106 R)
• M11: 15,943,543 km (0.111 R)
• M12: 18,137,246 km (0.114 R)
• M13: 20,014,101 km (0.088 R)
• M14: 21,218,064 km (0.089 R)
• M15: 22,197,182 km (0.074 R)
• M16: 22,835,816 km (0.1 R)
• M17: 27,548,897 km (0.099 R)
• M18: 31,596,117 km (0.054 R)
• M19: 34,544,392 km (0.084 R)
• M20: 42,637,488 km (0.087 R)
• M21: 47,720,823 km (0.113 R)
• M22: 49,244,029 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 476.1

Radius: 5.7

Gravity: 14.65 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 8.46 AU - 11.92 AU

Year: 22453 Days

Day: 16.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 72,803,288 km

• M1: 76,295 km (0.107 R)
• M2: 368,759 km (0.101 R)
• M3: 585,676 km (0.086 R)
• M4: 979,118 km (0.109 R)
• M5: 1,938,040 km (0.068 R)
• M6: 2,216,741 km (0.104 R)
• M7: 2,780,875 km (0.088 R)
• M8: 3,695,516 km (0.102 R)
• M9: 4,319,190 km (0.079 R)
• M10: 4,866,868 km (0.039 R)
• M11: 5,269,286 km (0.099 R)
• M12: 6,266,505 km (0.098 R)
• M13: 7,478,547 km (0.099 R)
• M14: 7,718,951 km (0.03 R)
• M15: 8,014,407 km (0.11 R)
• M16: 8,945,953 km (0.038 R)
• M17: 10,005,405 km (0.095 R)
• M18: 11,523,674 km (0.102 R)
• M19: 12,437,717 km (0.061 R)
• M20: 13,970,197 km (0.118 R)
• M21: 15,391,527 km (0.08 R)
• M22: 17,489,038 km (0.112 R)
• M23: 19,952,915 km (0.109 R)
• M24: 20,137,369 km (0.099 R)
• M25: 20,697,314 km (0.098 R)
• M26: 21,076,395 km (0.099 R)
• M27: 25,125,112 km (0.12 R)
• M28: 26,656,396 km (0.108 R)
• M29: 29,068,512 km (0.1 R)
• M30: 30,632,258 km (0.088 R)
• M31: 33,795,805 km (0.119 R)
• M32: 38,867,172 km (0.058 R)
• M33: 40,467,421 km (0.058 R)
• M34: 45,850,251 km (0.118 R)
• M35: 47,144,423 km (0.111 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 275 - 15,653 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit