🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.8

Radius: 8.3

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.69 AU - 1.13 AU

Year: 552 Days

Day: 7.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 54,321,312 km

• M1: 103,223 km (0.112 R)
• M2: 418,874 km (0.059 R)
• M3: 905,965 km (0.119 R)
• M4: 1,483,263 km (0.114 R)
• M5: 1,976,637 km (0.078 R)
• M6: 2,470,609 km (0.109 R)
• M7: 3,321,372 km (0.091 R)
• M8: 3,866,507 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.8

Radius: 10.3

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.96 AU - 1.3 AU

Year: 764 Days

Day: 13.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,321,312 km

• M1: 128,056 km (0.064 R)
• M2: 674,088 km (0.112 R)
• M3: 1,269,787 km (0.077 R)
• M4: 1,864,887 km (0.1 R)
• M5: 2,199,238 km (0.096 R)
• M6: 2,547,053 km (0.069 R)
• M7: 3,051,647 km (0.086 R)
• M8: 3,599,026 km (0.08 R)
• M9: 4,223,746 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.2

Radius: 12.2

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.06 AU - 1.28 AU

Year: 805 Days

Day: 5.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,321,312 km

• M1: 152,440 km (0.111 R)
• M2: 578,196 km (0.098 R)
• M3: 959,222 km (0.086 R)
• M4: 1,510,340 km (0.073 R)
• M5: 1,964,818 km (0.074 R)
• M6: 2,431,564 km (0.107 R)
• M7: 2,883,200 km (0.114 R)
• M8: 3,265,422 km (0.076 R)
• M9: 3,787,369 km (0.089 R)
• M10: 4,247,981 km (0.102 R)
• M11: 4,657,281 km (0.108 R)
• M12: 5,130,609 km (0.096 R)
• M13: 6,390,372 km (0.063 R)
• M14: 7,354,381 km (0.025 R)
• M15: 8,733,524 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.8

Radius: 13.8

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.74 AU - 1.94 AU

Year: 1587 Days

Day: 7.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,321,312 km

• M1: 172,786 km (0.109 R)
• M2: 724,054 km (0.056 R)
• M3: 1,644,081 km (0.076 R)
• M4: 2,423,037 km (0.086 R)
• M5: 3,993,366 km (0.114 R)
• M6: 4,978,318 km (0.115 R)
• M7: 5,967,908 km (0.099 R)
• M8: 6,589,936 km (0.12 R)
• M9: 7,304,266 km (0.115 R)
• M10: 7,782,979 km (0.106 R)
• M11: 8,972,731 km (0.096 R)
• M12: 10,786,455 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.5

Radius: 8.8

Gravity: 12.52 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 5.05 AU - 5.75 AU

Year: 7979 Days

Day: 10 Hours

Environment

Temp: -215 °C

Axial Tilt: 64.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 54,321,312 km

• M1: 109,805 km (0.073 R)
• M2: 441,463 km (0.089 R)
• M3: 724,203 km (0.084 R)
• M4: 1,156,242 km (0.047 R)
• M5: 2,663,740 km (0.105 R)
• M6: 3,269,312 km (0.078 R)
• M7: 4,206,842 km (0.057 R)
• M8: 4,723,254 km (0.088 R)
• M9: 5,122,081 km (0.119 R)
• M10: 6,754,493 km (0.098 R)
• M11: 8,307,619 km (0.049 R)
• M12: 10,085,589 km (0.076 R)
• M13: 12,793,161 km (0.092 R)
• M14: 13,630,460 km (0.101 R)
• M15: 17,062,385 km (0.096 R)
• M16: 18,598,306 km (0.098 R)
• M17: 22,967,312 km (0.091 R)
• M18: 26,232,435 km (0.085 R)
• M19: 29,486,040 km (0.09 R)
• M20: 29,897,882 km (0.116 R)
• M21: 31,798,823 km (0.03 R)
• M22: 32,123,300 km (0.043 R)
• M23: 34,799,008 km (0.095 R)
• M24: 35,259,021 km (0.112 R)
• M25: 37,619,825 km (0.068 R)
• M26: 39,582,998 km (0.11 R)
• M27: 44,382,397 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.1

Radius: 13.9

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 5.02 AU - 6.3 AU

Year: 8562 Days

Day: 9.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,321,312 km

• M1: 173,234 km (0.061 R)
• M2: 766,390 km (0.089 R)
• M3: 1,751,641 km (0.111 R)
• M4: 2,650,425 km (0.12 R)
• M5: 5,420,230 km (0.105 R)
• M6: 7,164,840 km (0.078 R)
• M7: 8,230,426 km (0.109 R)
• M8: 11,462,937 km (0.11 R)
• M9: 12,401,813 km (0.064 R)
• M10: 14,877,059 km (0.075 R)
• M11: 20,786,175 km (0.116 R)
• M12: 21,682,267 km (0.082 R)
• M13: 23,117,658 km (0.09 R)
• M14: 26,365,278 km (0.046 R)
• M15: 29,803,187 km (0.084 R)
• M16: 36,491,109 km (0.073 R)
• M17: 39,623,090 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 356

Radius: 3.8

Gravity: 24.65 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 6.23 AU - 7.31 AU

Year: 11200 Days

Day: 25 Hours

Environment

Temp: -216 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 54,321,312 km

• M1: 58,642 km (0.058 R)
• M2: 244,144 km (0.116 R)
• M3: 454,179 km (0.042 R)
• M4: 642,972 km (0.115 R)
• M5: 837,449 km (0.062 R)
• M6: 1,369,718 km (0.116 R)
• M7: 1,539,212 km (0.07 R)
• M8: 1,766,900 km (0.089 R)
• M9: 3,144,996 km (0.114 R)
• M10: 4,009,672 km (0.062 R)
• M11: 4,440,514 km (0.085 R)
• M12: 4,581,285 km (0.092 R)
• M13: 5,554,270 km (0.109 R)
• M14: 6,404,434 km (0.083 R)
• M15: 6,730,707 km (0.087 R)
• M16: 7,857,479 km (0.101 R)
• M17: 8,880,578 km (0.092 R)
• M18: 9,610,018 km (0.103 R)
• M19: 10,879,206 km (0.11 R)
• M20: 11,343,408 km (0.057 R)
• M21: 11,982,640 km (0.085 R)
• M22: 12,871,850 km (0.088 R)
• M23: 15,607,247 km (0.095 R)
• M24: 15,737,098 km (0.088 R)
• M25: 21,946,905 km (0.111 R)
• M26: 22,521,062 km (0.108 R)
• M27: 23,189,316 km (0.116 R)
• M28: 25,995,173 km (0.046 R)
• M29: 26,269,236 km (0.026 R)
• M30: 27,763,719 km (0.117 R)
• M31: 28,628,844 km (0.086 R)
• M32: 33,011,014 km (0.112 R)
• M33: 35,304,948 km (0.086 R)
• M34: 36,205,976 km (0.119 R)
• M35: 36,433,664 km (0.11 R)
• M36: 41,065,962 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 310.6

Radius: 4.2

Gravity: 17.61 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 7.69 AU - 10.83 AU

Year: 17916 Days

Day: 16.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 54,321,312 km

• M1: 64,028 km (0.117 R)
• M2: 201,209 km (0.076 R)
• M3: 348,114 km (0.063 R)
• M4: 630,106 km (0.087 R)
• M5: 850,314 km (0.065 R)
• M6: 1,039,406 km (0.081 R)
• M7: 1,700,479 km (0.119 R)
• M8: 2,937,055 km (0.118 R)
• M9: 3,959,108 km (0.06 R)
• M10: 4,706,648 km (0.114 R)
• M11: 5,615,006 km (0.104 R)
• M12: 7,464,934 km (0.089 R)
• M13: 8,269,621 km (0.071 R)
• M14: 9,279,706 km (0.043 R)
• M15: 9,736,727 km (0.106 R)
• M16: 11,951,075 km (0.059 R)
• M17: 12,129,545 km (0.109 R)
• M18: 13,174,785 km (0.092 R)
• M19: 15,654,370 km (0.074 R)
• M20: 19,557,977 km (0.086 R)
• M21: 20,308,061 km (0.1 R)
• M22: 20,990,825 km (0.109 R)
• M23: 23,969,169 km (0.045 R)
• M24: 28,573,792 km (0.102 R)
• M25: 30,970,499 km (0.051 R)
• M26: 34,210,490 km (0.114 R)
• M27: 34,570,422 km (0.088 R)
• M28: 36,658,210 km (0.093 R)
• M29: 43,703,971 km (0.117 R)
• M30: 46,287,975 km (0.101 R)
• M31: 46,434,431 km (0.061 R)
• M32: 46,581,187 km (0.114 R)
• M33: 48,820,218 km (0.079 R)
• M34: 49,582,120 km (0.097 R)
• M35: 50,043,181 km (0.111 R)
• M36: 51,757,871 km (0.111 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 197 - 13,535 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit