🌌 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: 634.4

Radius: 14.3

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.45 AU - 0.69 AU

Year: 297 Days

Day: 7.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,539,009 km

• M1: 177,872 km (0.096 R)
• M2: 633,248 km (0.068 R)
• M3: 1,088,923 km (0.052 R)
• M4: 1,797,568 km (0.03 R)
• M5: 2,340,159 km (0.109 R)
• M6: 2,886,491 km (0.116 R)
• M7: 3,517,944 km (0.098 R)
• M8: 4,129,799 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666

Radius: 12.4

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.97 AU - 1.07 AU

Year: 711 Days

Day: 7.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,539,009 km

• M1: 154,535 km (0.067 R)
• M2: 579,243 km (0.077 R)
• M3: 1,674,299 km (0.095 R)
• M4: 2,516,236 km (0.103 R)
• M5: 3,003,925 km (0.075 R)
• M6: 3,818,934 km (0.078 R)
• M7: 4,372,147 km (0.1 R)
• M8: 5,082,139 km (0.067 R)
• M9: 5,621,888 km (0.08 R)
• M10: 6,606,691 km (0.085 R)
• M11: 7,118,615 km (0.094 R)
• M12: 7,588,202 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927.5

Radius: 8.9

Gravity: 11.71 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.25 AU - 1.57 AU

Year: 1156 Days

Day: 5.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,539,009 km

• M1: 112,946 km (0.12 R)
• M2: 408,552 km (0.119 R)
• M3: 811,269 km (0.112 R)
• M4: 1,224,459 km (0.085 R)
• M5: 1,824,047 km (0.049 R)
• M6: 2,711,162 km (0.112 R)
• M7: 3,011,555 km (0.1 R)
• M8: 3,679,808 km (0.108 R)
• M9: 4,136,680 km (0.094 R)
• M10: 5,435,190 km (0.088 R)
• M11: 6,120,348 km (0.119 R)
• M12: 8,522,591 km (0.12 R)
• M13: 8,991,430 km (0.103 R)
• M14: 9,293,169 km (0.115 R)
• M15: 11,387,240 km (0.066 R)
• M16: 12,065,068 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.7

Radius: 11.2

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.31 AU - 1.79 AU

Year: 1332 Days

Day: 11.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,539,009 km

• M1: 140,921 km (0.098 R)
• M2: 572,810 km (0.116 R)
• M3: 993,330 km (0.092 R)
• M4: 1,649,765 km (0.042 R)
• M5: 2,046,050 km (0.057 R)
• M6: 3,607,253 km (0.079 R)
• M7: 4,653,092 km (0.081 R)
• M8: 5,043,543 km (0.082 R)
• M9: 5,496,226 km (0.074 R)
• M10: 5,997,528 km (0.08 R)
• M11: 6,783,067 km (0.061 R)
• M12: 7,560,078 km (0.054 R)
• M13: 8,341,577 km (0.094 R)
• M14: 8,920,072 km (0.066 R)
• M15: 9,407,761 km (0.092 R)
• M16: 9,792,677 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.1

Radius: 10.8

Gravity: 6.79 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.21 AU - 3.31 AU

Year: 3165 Days

Day: 13.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,539,009 km

• M1: 134,638 km (0.061 R)
• M2: 774,169 km (0.111 R)
• M3: 1,892,563 km (0.084 R)
• M4: 2,867,492 km (0.09 R)
• M5: 3,476,804 km (0.106 R)
• M6: 3,833,296 km (0.107 R)
• M7: 4,279,995 km (0.104 R)
• M8: 6,368,082 km (0.052 R)
• M9: 6,904,690 km (0.063 R)
• M10: 9,171,696 km (0.052 R)
• M11: 10,906,433 km (0.119 R)
• M12: 11,501,533 km (0.077 R)
• M13: 14,552,881 km (0.098 R)
• M14: 19,491,555 km (0.111 R)
• M15: 20,881,320 km (0.108 R)
• M16: 21,865,973 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 494.8

Radius: 3.4

Gravity: 42.8 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 4.38 AU - 7.1 AU

Year: 9492 Days

Day: 23.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,539,009 km

• M1: 48,470 km (0.083 R)
• M2: 359,484 km (0.083 R)
• M3: 514,916 km (0.104 R)
• M4: 1,002,904 km (0.038 R)
• M5: 1,533,528 km (0.095 R)
• M6: 2,738,239 km (0.093 R)
• M7: 3,849,004 km (0.088 R)
• M8: 5,167,559 km (0.103 R)
• M9: 7,566,660 km (0.105 R)
• M10: 8,521,843 km (0.061 R)
• M11: 9,050,671 km (0.073 R)
• M12: 9,415,241 km (0.091 R)
• M13: 12,467,487 km (0.108 R)
• M14: 13,032,966 km (0.118 R)
• M15: 17,901,629 km (0.086 R)
• M16: 18,987,261 km (0.044 R)
• M17: 26,253,379 km (0.117 R)
• M18: 30,903,180 km (0.05 R)
• M19: 31,936,303 km (0.082 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 492.2

Radius: 6.7

Gravity: 10.96 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 7.01 AU - 9.75 AU

Year: 16745 Days

Day: 16.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 60,539,009 km

• M1: 83,326 km (0.115 R)
• M2: 390,899 km (0.098 R)
• M3: 888,163 km (0.116 R)
• M4: 1,497,624 km (0.114 R)
• M5: 3,023,074 km (0.036 R)
• M6: 3,296,987 km (0.102 R)
• M7: 3,641,960 km (0.087 R)
• M8: 5,163,221 km (0.105 R)
• M9: 6,481,029 km (0.109 R)
• M10: 7,777,145 km (0.048 R)
• M11: 10,251,792 km (0.082 R)
• M12: 12,062,974 km (0.107 R)
• M13: 12,753,966 km (0.083 R)
• M14: 15,783,323 km (0.054 R)
• M15: 18,184,818 km (0.101 R)
• M16: 21,087,316 km (0.106 R)
• M17: 24,581,473 km (0.05 R)
• M18: 25,283,237 km (0.078 R)
• M19: 26,937,490 km (0.084 R)
• M20: 27,362,049 km (0.044 R)
• M21: 32,093,082 km (0.118 R)
• M22: 42,702,712 km (0.086 R)
• M23: 52,409,071 km (0.113 R)
• M24: 57,859,071 km (0.032 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 402 - 19,022 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit