🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.5

Radius: 10

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.52 AU - 0.82 AU

Year: 366 Days

Day: 12.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,626,601 km

• M1: 124,316 km (0.037 R)
• M2: 456,573 km (0.093 R)
• M3: 807,829 km (0.102 R)
• M4: 1,130,661 km (0.058 R)
• M5: 1,447,659 km (0.112 R)
• M6: 1,872,965 km (0.08 R)
• M7: 2,204,773 km (0.072 R)
• M8: 2,681,841 km (0.109 R)
• M9: 3,226,826 km (0.109 R)
• M10: 3,597,081 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.4

Radius: 8.4

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.82 AU - 1.2 AU

Year: 677 Days

Day: 5.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 67,626,601 km

• M1: 104,419 km (0.045 R)
• M2: 597,195 km (0.099 R)
• M3: 910,752 km (0.092 R)
• M4: 1,194,389 km (0.104 R)
• M5: 1,594,414 km (0.097 R)
• M6: 1,861,746 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.1

Radius: 12.5

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.16 AU - 3.24 AU

Year: 2959 Days

Day: 13.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,626,601 km

• M1: 155,432 km (0.092 R)
• M2: 671,246 km (0.039 R)
• M3: 1,081,593 km (0.091 R)
• M4: 1,528,292 km (0.08 R)
• M5: 2,123,841 km (0.119 R)
• M6: 2,781,174 km (0.076 R)
• M7: 3,785,574 km (0.059 R)
• M8: 5,986,608 km (0.091 R)
• M9: 6,609,084 km (0.107 R)
• M10: 7,892,484 km (0.087 R)
• M11: 8,513,615 km (0.045 R)
• M12: 9,403,722 km (0.068 R)
• M13: 11,960,649 km (0.116 R)
• M14: 13,377,490 km (0.081 R)
• M15: 15,090,236 km (0.044 R)
• M16: 15,660,354 km (0.043 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.5

Radius: 10.5

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.97 AU - 4.75 AU

Year: 5057 Days

Day: 12.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,626,601 km

• M1: 131,347 km (0.071 R)
• M2: 974,481 km (0.091 R)
• M3: 1,301,651 km (0.091 R)
• M4: 2,112,920 km (0.093 R)
• M5: 3,203,489 km (0.072 R)
• M6: 5,235,925 km (0.102 R)
• M7: 7,823,221 km (0.112 R)
• M8: 8,704,801 km (0.075 R)
• M9: 9,805,093 km (0.1 R)
• M10: 10,632,070 km (0.11 R)
• M11: 11,062,613 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984

Radius: 8.3

Gravity: 14.28 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 3.76 AU - 4.94 AU

Year: 6050 Days

Day: 10.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,626,601 km

• M1: 106,214 km (0.083 R)
• M2: 460,612 km (0.08 R)
• M3: 1,005,896 km (0.12 R)
• M4: 1,553,873 km (0.1 R)
• M5: 2,628,584 km (0.055 R)
• M6: 3,690,131 km (0.07 R)
• M7: 5,131,805 km (0.083 R)
• M8: 6,011,740 km (0.076 R)
• M9: 6,453,054 km (0.095 R)
• M10: 11,246,768 km (0.101 R)
• M11: 12,505,185 km (0.094 R)
• M12: 15,993,658 km (0.08 R)
• M13: 16,708,885 km (0.112 R)
• M14: 21,848,171 km (0.118 R)
• M15: 23,218,487 km (0.087 R)
• M16: 26,040,801 km (0.068 R)
• M17: 30,345,180 km (0.095 R)
• M18: 36,086,447 km (0.083 R)
• M19: 36,419,003 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185.2

Radius: 10.2

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 4.03 AU - 4.95 AU

Year: 6345 Days

Day: 10.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,626,601 km

• M1: 127,308 km (0.111 R)
• M2: 579,841 km (0.115 R)
• M3: 974,780 km (0.103 R)
• M4: 1,355,955 km (0.084 R)
• M5: 2,400,298 km (0.08 R)
• M6: 2,853,729 km (0.114 R)
• M7: 6,522,168 km (0.098 R)
• M8: 10,720,333 km (0.048 R)
• M9: 11,304,961 km (0.114 R)
• M10: 21,809,874 km (0.077 R)
• M11: 22,884,884 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 557.5

Radius: 5.2

Gravity: 20.62 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 8.36 AU - 11.5 AU

Year: 20867 Days

Day: 21.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 67,626,601 km

• M1: 66,870 km (0.12 R)
• M2: 1,151,604 km (0.113 R)
• M3: 1,423,424 km (0.063 R)
• M4: 1,845,439 km (0.119 R)
• M5: 4,134,586 km (0.073 R)
• M6: 4,950,942 km (0.049 R)
• M7: 5,359,045 km (0.118 R)
• M8: 6,762,422 km (0.06 R)
• M9: 8,707,344 km (0.116 R)
• M10: 9,807,038 km (0.114 R)
• M11: 10,449,860 km (0.053 R)
• M12: 10,751,150 km (0.026 R)
• M13: 12,955,774 km (0.118 R)
• M14: 14,607,185 km (0.094 R)
• M15: 15,213,056 km (0.077 R)
• M16: 17,048,173 km (0.087 R)
• M17: 23,532,643 km (0.062 R)
• M18: 24,469,873 km (0.058 R)
• M19: 25,001,095 km (0.075 R)
• M20: 26,865,085 km (0.097 R)
• M21: 27,090,379 km (0.12 R)
• M22: 28,702,296 km (0.114 R)
• M23: 35,654,558 km (0.119 R)
• M24: 36,889,638 km (0.097 R)
• M25: 48,310,239 km (0.084 R)
• M26: 56,365,037 km (0.084 R)
• M27: 60,322,200 km (0.099 R)
• M28: 62,467,134 km (0.098 R)
• M29: 65,269,701 km (0.112 R)
• M30: 70,909,540 km (0.036 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 413.7

Radius: 3.9

Gravity: 27.2 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 8.03 AU - 12.27 AU

Year: 21564 Days

Day: 16.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 67,626,601 km

• M1: 49,218 km (0.105 R)
• M2: 267,631 km (0.085 R)
• M3: 416,929 km (0.084 R)
• M4: 549,623 km (0.081 R)
• M5: 1,334,862 km (0.095 R)
• M6: 1,696,589 km (0.108 R)
• M7: 1,928,466 km (0.045 R)
• M8: 2,970,864 km (0.112 R)
• M9: 3,149,185 km (0.102 R)
• M10: 3,935,022 km (0.062 R)
• M11: 4,276,854 km (0.091 R)
• M12: 4,948,698 km (0.085 R)
• M13: 5,572,820 km (0.071 R)
• M14: 5,726,906 km (0.095 R)
• M15: 6,799,373 km (0.069 R)
• M16: 6,931,169 km (0.106 R)
• M17: 7,710,573 km (0.061 R)
• M18: 9,660,582 km (0.084 R)
• M19: 11,108,839 km (0.094 R)
• M20: 16,310,656 km (0.076 R)
• M21: 16,547,020 km (0.116 R)
• M22: 22,636,851 km (0.111 R)
• M23: 24,750,070 km (0.072 R)
• M24: 28,217,300 km (0.059 R)
• M25: 33,620,775 km (0.119 R)
• M26: 41,696,517 km (0.096 R)
• M27: 43,031,977 km (0.032 R)
• M28: 46,101,127 km (0.078 R)
• M29: 52,157,597 km (0.101 R)
• M30: 57,259,483 km (0.034 R)
• M31: 62,876,883 km (0.113 R)
• M32: 65,818,426 km (0.106 R)
• M33: 67,020,295 km (0.118 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 379 - 10,929 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit