🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.9

Radius: 10

Gravity: 7.28 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.56 AU - 0.9 AU

Year: 416 Days

Day: 10.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 55.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,220,984 km

• M1: 124,316 km (0.075 R)
• M2: 492,177 km (0.058 R)
• M3: 817,253 km (0.088 R)
• M4: 1,166,564 km (0.087 R)
• M5: 1,480,869 km (0.109 R)
• M6: 2,269,549 km (0.115 R)
• M7: 2,647,284 km (0.096 R)
• M8: 3,001,382 km (0.111 R)
• M9: 3,339,922 km (0.097 R)
• M10: 3,741,892 km (0.092 R)
• M11: 4,121,721 km (0.075 R)
• M12: 4,658,478 km (0.102 R)
• M13: 5,146,017 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436

Radius: 10.4

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.53 AU - 2.23 AU

Year: 1719 Days

Day: 6.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 38,220,984 km

• M1: 129,552 km (0.118 R)
• M2: 570,566 km (0.076 R)
• M3: 924,814 km (0.11 R)
• M4: 1,256,323 km (0.086 R)
• M5: 1,604,736 km (0.082 R)
• M6: 2,116,211 km (0.114 R)
• M7: 2,515,638 km (0.101 R)
• M8: 2,841,163 km (0.096 R)
• M9: 3,314,490 km (0.074 R)
• M10: 3,992,618 km (0.083 R)
• M11: 4,722,057 km (0.118 R)
• M12: 5,159,930 km (0.099 R)
• M13: 6,186,470 km (0.102 R)
• M14: 7,607,949 km (0.109 R)
• M15: 8,324,074 km (0.106 R)
• M16: 8,669,496 km (0.068 R)
• M17: 9,024,492 km (0.066 R)
• M18: 9,637,693 km (0.073 R)
• M19: 10,676,501 km (0.118 R)
• M20: 11,362,557 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.2

Radius: 12

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.16 AU - 2.52 AU

Year: 2387 Days

Day: 14 Hours

Environment

Temp: -215 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 38,220,984 km

• M1: 149,299 km (0.087 R)
• M2: 736,470 km (0.116 R)
• M3: 1,350,719 km (0.071 R)
• M4: 2,055,026 km (0.094 R)
• M5: 3,529,762 km (0.03 R)
• M6: 5,849,127 km (0.066 R)
• M7: 6,441,086 km (0.112 R)
• M8: 7,840,125 km (0.072 R)
• M9: 8,393,189 km (0.043 R)
• M10: 8,833,455 km (0.05 R)
• M11: 9,468,648 km (0.1 R)
• M12: 9,946,164 km (0.05 R)
• M13: 13,112,403 km (0.092 R)
• M14: 14,461,925 km (0.112 R)
• M15: 15,953,416 km (0.05 R)
• M16: 16,736,561 km (0.115 R)
• M17: 17,986,900 km (0.113 R)
• M18: 18,379,594 km (0.092 R)
• M19: 19,240,231 km (0.115 R)
• M20: 20,247,922 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.9

Radius: 12.9

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.76 AU - 4.14 AU

Year: 4273 Days

Day: 14.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,220,984 km

• M1: 160,519 km (0.085 R)
• M2: 1,549,385 km (0.112 R)
• M3: 2,062,356 km (0.065 R)
• M4: 2,936,905 km (0.111 R)
• M5: 3,452,868 km (0.114 R)
• M6: 3,887,001 km (0.098 R)
• M7: 4,340,732 km (0.11 R)
• M8: 8,161,910 km (0.089 R)
• M9: 9,189,199 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885

Radius: 9

Gravity: 10.93 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 3.45 AU - 3.69 AU

Year: 4498 Days

Day: 13.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 38,220,984 km

• M1: 112,797 km (0.104 R)
• M2: 478,564 km (0.103 R)
• M3: 920,027 km (0.047 R)
• M4: 1,489,696 km (0.059 R)
• M5: 2,051,585 km (0.097 R)
• M6: 3,302,523 km (0.106 R)
• M7: 3,726,483 km (0.085 R)
• M8: 6,674,907 km (0.087 R)
• M9: 7,567,109 km (0.083 R)
• M10: 9,420,028 km (0.036 R)
• M11: 10,013,034 km (0.12 R)
• M12: 11,320,669 km (0.051 R)
• M13: 11,845,159 km (0.094 R)
• M14: 12,486,037 km (0.063 R)
• M15: 13,890,461 km (0.071 R)
• M16: 15,224,725 km (0.114 R)
• M17: 16,825,721 km (0.095 R)
• M18: 19,602,557 km (0.091 R)
• M19: 22,746,057 km (0.1 R)
• M20: 23,275,334 km (0.101 R)
• M21: 24,832,798 km (0.11 R)
• M22: 25,474,872 km (0.116 R)
• M23: 26,625,130 km (0.102 R)
• M24: 27,809,496 km (0.109 R)
• M25: 30,011,427 km (0.054 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175

Radius: 14.8

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 3.51 AU - 3.87 AU

Year: 4727 Days

Day: 9.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 38,220,984 km

• M1: 184,305 km (0.105 R)
• M2: 858,692 km (0.063 R)
• M3: 1,657,096 km (0.053 R)
• M4: 2,454,303 km (0.099 R)
• M5: 3,223,984 km (0.09 R)
• M6: 4,862,380 km (0.071 R)
• M7: 5,753,684 km (0.062 R)
• M8: 6,317,817 km (0.106 R)
• M9: 7,060,870 km (0.102 R)
• M10: 8,047,617 km (0.11 R)
• M11: 13,371,207 km (0.025 R)
• M12: 14,135,353 km (0.114 R)
• M13: 14,833,526 km (0.115 R)
• M14: 17,015,262 km (0.112 R)
• M15: 18,237,177 km (0.058 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 382.2

Radius: 5.6

Gravity: 12.19 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 4.49 AU - 7.29 AU

Year: 9532 Days

Day: 15.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 38,220,984 km

• M1: 70,161 km (0.106 R)
• M2: 247,285 km (0.084 R)
• M3: 438,322 km (0.067 R)
• M4: 732,431 km (0.114 R)
• M5: 943,514 km (0.036 R)
• M6: 1,184,366 km (0.066 R)
• M7: 1,677,441 km (0.062 R)
• M8: 1,986,510 km (0.101 R)
• M9: 2,511,299 km (0.11 R)
• M10: 2,936,756 km (0.07 R)
• M11: 6,144,134 km (0.064 R)
• M12: 6,987,268 km (0.099 R)
• M13: 7,474,957 km (0.116 R)
• M14: 14,132,361 km (0.052 R)
• M15: 14,548,243 km (0.088 R)
• M16: 14,972,204 km (0.106 R)
• M17: 16,293,901 km (0.117 R)
• M18: 16,554,052 km (0.068 R)
• M19: 17,284,239 km (0.101 R)
• M20: 17,623,078 km (0.049 R)
• M21: 19,239,184 km (0.1 R)
• M22: 19,823,663 km (0.044 R)
• M23: 20,344,862 km (0.093 R)
• M24: 22,121,486 km (0.105 R)
• M25: 23,499,282 km (0.086 R)
• M26: 26,068,775 km (0.09 R)
• M27: 28,724,736 km (0.117 R)
• M28: 29,584,325 km (0.097 R)
• M29: 36,418,854 km (0.066 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 - 12,217 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit