🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.3

Radius: 11.3

Gravity: 6.72 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.44 AU - 0.6 AU

Year: 259 Days

Day: 10.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 33,412,716 km

• M1: 140,472 km (0.09 R)
• M2: 558,748 km (0.034 R)
• M3: 947,553 km (0.056 R)
• M4: 1,305,241 km (0.098 R)
• M5: 1,775,727 km (0.103 R)
• M6: 2,276,132 km (0.084 R)
• M7: 3,015,594 km (0.06 R)
• M8: 3,452,868 km (0.097 R)
• M9: 4,065,322 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.4

Radius: 10.2

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.46 AU - 0.74 AU

Year: 321 Days

Day: 13.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 60.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 33,412,716 km

• M1: 127,308 km (0.057 R)
• M2: 508,483 km (0.08 R)
• M3: 885,021 km (0.069 R)
• M4: 1,534,874 km (0.087 R)
• M5: 1,854,415 km (0.034 R)
• M6: 2,233,795 km (0.087 R)
• M7: 2,607,192 km (0.094 R)
• M8: 3,114,029 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.3

Radius: 12.9

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.82 AU - 0.88 AU

Year: 541 Days

Day: 7.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 33,412,716 km

• M1: 160,519 km (0.105 R)
• M2: 684,859 km (0.115 R)
• M3: 1,402,031 km (0.093 R)
• M4: 2,496,190 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.9

Radius: 9.8

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.88 AU - 0.92 AU

Year: 589 Days

Day: 6.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 33,412,716 km

• M1: 121,922 km (0.079 R)
• M2: 536,907 km (0.107 R)
• M3: 1,088,325 km (0.116 R)
• M4: 1,559,558 km (0.057 R)
• M5: 3,177,608 km (0.096 R)
• M6: 3,822,824 km (0.098 R)
• M7: 4,369,006 km (0.083 R)
• M8: 4,845,924 km (0.045 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.4

Radius: 9.4

Gravity: 8.07 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.09 AU - 2.81 AU

Year: 2647 Days

Day: 13.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 33,412,716 km

• M1: 117,285 km (0.095 R)
• M2: 462,856 km (0.093 R)
• M3: 970,741 km (0.105 R)
• M4: 1,353,562 km (0.118 R)
• M5: 1,722,320 km (0.117 R)
• M6: 2,319,216 km (0.111 R)
• M7: 3,484,434 km (0.064 R)
• M8: 3,922,456 km (0.079 R)
• M9: 4,227,486 km (0.07 R)
• M10: 4,548,523 km (0.077 R)
• M11: 4,862,828 km (0.106 R)
• M12: 5,191,645 km (0.085 R)
• M13: 5,610,967 km (0.117 R)
• M14: 6,268,450 km (0.084 R)
• M15: 9,314,711 km (0.083 R)
• M16: 10,047,292 km (0.112 R)
• M17: 11,257,988 km (0.106 R)
• M18: 11,793,698 km (0.032 R)
• M19: 14,441,131 km (0.08 R)
• M20: 16,922,062 km (0.085 R)
• M21: 18,067,384 km (0.104 R)
• M22: 19,031,841 km (0.065 R)
• M23: 19,970,568 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.1

Radius: 10.3

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 3.38 AU - 5.18 AU

Year: 6112 Days

Day: 12.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 33,412,716 km

• M1: 128,056 km (0.091 R)
• M2: 468,989 km (0.044 R)
• M3: 1,024,596 km (0.102 R)
• M4: 1,432,400 km (0.119 R)
• M5: 1,780,215 km (0.053 R)
• M6: 2,979,391 km (0.049 R)
• M7: 5,081,092 km (0.047 R)
• M8: 5,961,326 km (0.117 R)
• M9: 6,530,246 km (0.094 R)
• M10: 7,707,432 km (0.114 R)
• M11: 9,490,190 km (0.104 R)
• M12: 9,893,655 km (0.117 R)
• M13: 11,173,315 km (0.088 R)
• M14: 13,903,477 km (0.068 R)
• M15: 15,012,745 km (0.113 R)
• M16: 15,840,470 km (0.083 R)
• M17: 17,647,313 km (0.08 R)
• M18: 18,757,329 km (0.093 R)
• M19: 20,777,349 km (0.062 R)
• M20: 21,116,188 km (0.089 R)
• M21: 21,458,767 km (0.06 R)
• M22: 22,225,456 km (0.072 R)
• M23: 22,580,003 km (0.097 R)
• M24: 23,446,175 km (0.079 R)
• M25: 25,864,275 km (0.096 R)
• M26: 26,652,955 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 221

Radius: 4.2

Gravity: 12.53 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 5.78 AU - 6.3 AU

Year: 10246 Days

Day: 21.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 33,412,716 km

• M1: 55,202 km (0.097 R)
• M2: 738,415 km (0.115 R)
• M3: 1,661,135 km (0.06 R)
• M4: 2,817,227 km (0.032 R)
• M5: 3,011,854 km (0.066 R)
• M6: 3,278,288 km (0.078 R)
• M7: 3,672,927 km (0.108 R)
• M8: 4,272,515 km (0.087 R)
• M9: 5,247,145 km (0.077 R)
• M10: 6,197,840 km (0.109 R)
• M11: 6,427,473 km (0.055 R)
• M12: 6,903,792 km (0.062 R)
• M13: 8,041,484 km (0.049 R)
• M14: 8,962,408 km (0.108 R)
• M15: 10,588,238 km (0.106 R)
• M16: 11,107,044 km (0.057 R)
• M17: 14,581,304 km (0.082 R)
• M18: 18,513,484 km (0.118 R)
• M19: 22,020,208 km (0.05 R)
• M20: 25,692,238 km (0.088 R)
• M21: 30,688,208 km (0.119 R)
• M22: 32,226,074 km (0.114 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 169 - 13,107 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit