🌌 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: 549.1

Radius: 8.7

Gravity: 7.25 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.78 AU - 1.04 AU

Year: 569 Days

Day: 6.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,833,601 km

• M1: 108,159 km (0.119 R)
• M2: 478,115 km (0.102 R)
• M3: 933,192 km (0.118 R)
• M4: 1,359,994 km (0.088 R)
• M5: 1,839,605 km (0.106 R)
• M6: 2,256,385 km (0.119 R)
• M7: 2,558,124 km (0.069 R)
• M8: 2,998,989 km (0.044 R)
• M9: 3,414,871 km (0.069 R)
• M10: 4,117,532 km (0.118 R)
• M11: 4,913,243 km (0.088 R)
• M12: 5,807,838 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787

Radius: 8.8

Gravity: 10.16 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.81 AU - 1.05 AU

Year: 588 Days

Day: 8.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,833,601 km

• M1: 110,104 km (0.098 R)
• M2: 449,990 km (0.115 R)
• M3: 1,073,365 km (0.096 R)
• M4: 1,615,657 km (0.074 R)
• M5: 2,117,857 km (0.119 R)
• M6: 2,698,746 km (0.09 R)
• M7: 3,130,186 km (0.117 R)
• M8: 3,447,184 km (0.093 R)
• M9: 3,884,458 km (0.117 R)
• M10: 4,251,422 km (0.101 R)
• M11: 5,529,586 km (0.098 R)
• M12: 5,975,837 km (0.097 R)
• M13: 6,731,455 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.8

Radius: 13

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.02 AU - 1.4 AU

Year: 873 Days

Day: 9.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 51,833,601 km

• M1: 161,715 km (0.111 R)
• M2: 800,498 km (0.052 R)
• M3: 1,295,518 km (0.118 R)
• M4: 1,838,259 km (0.099 R)
• M5: 3,024,420 km (0.119 R)
• M6: 4,222,400 km (0.112 R)
• M7: 5,254,027 km (0.072 R)
• M8: 6,103,144 km (0.104 R)
• M9: 6,761,225 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.6

Radius: 14.3

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.84 AU - 2.92 AU

Year: 2409 Days

Day: 7.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 51,833,601 km

• M1: 177,872 km (0.106 R)
• M2: 678,277 km (0.065 R)
• M3: 1,268,590 km (0.086 R)
• M4: 1,741,918 km (0.092 R)
• M5: 2,335,522 km (0.096 R)
• M6: 3,130,186 km (0.119 R)
• M7: 3,685,792 km (0.1 R)
• M8: 4,858,340 km (0.082 R)
• M9: 5,787,044 km (0.091 R)
• M10: 6,948,073 km (0.079 R)
• M11: 7,429,329 km (0.037 R)
• M12: 8,731,130 km (0.1 R)
• M13: 9,472,986 km (0.096 R)
• M14: 10,179,986 km (0.112 R)
• M15: 10,644,636 km (0.106 R)
• M16: 11,910,683 km (0.115 R)
• M17: 13,877,297 km (0.064 R)
• M18: 14,987,612 km (0.103 R)
• M19: 15,794,394 km (0.092 R)
• M20: 18,332,321 km (0.101 R)
• M21: 19,021,668 km (0.119 R)
• M22: 19,728,219 km (0.06 R)
• M23: 20,330,351 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.4

Radius: 14

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 2.61 AU - 3.07 AU

Year: 3140 Days

Day: 12.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 51,833,601 km

• M1: 175,329 km (0.091 R)
• M2: 696,079 km (0.065 R)
• M3: 1,134,101 km (0.055 R)
• M4: 2,015,233 km (0.062 R)
• M5: 2,707,123 km (0.113 R)
• M6: 3,689,981 km (0.103 R)
• M7: 4,272,366 km (0.09 R)
• M8: 6,377,806 km (0.084 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 327.5

Radius: 4.3

Gravity: 17.71 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 7.39 AU - 8.25 AU

Year: 14346 Days

Day: 23.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 51,833,601 km

• M1: 53,406 km (0.052 R)
• M2: 210,933 km (0.083 R)
• M3: 1,613,862 km (0.066 R)
• M4: 1,892,413 km (0.106 R)
• M5: 2,256,833 km (0.118 R)
• M6: 2,524,763 km (0.07 R)
• M7: 2,966,077 km (0.084 R)
• M8: 3,124,202 km (0.109 R)
• M9: 3,359,669 km (0.041 R)
• M10: 3,506,574 km (0.068 R)
• M11: 3,919,464 km (0.059 R)
• M12: 5,419,332 km (0.067 R)
• M13: 6,222,972 km (0.056 R)
• M14: 7,593,887 km (0.114 R)
• M15: 7,804,820 km (0.051 R)
• M16: 10,809,493 km (0.099 R)
• M17: 11,904,400 km (0.033 R)
• M18: 16,457,561 km (0.12 R)
• M19: 18,427,017 km (0.051 R)
• M20: 21,123,519 km (0.029 R)
• M21: 23,711,263 km (0.076 R)
• M22: 23,890,930 km (0.103 R)
• M23: 32,616,674 km (0.112 R)
• M24: 33,511,868 km (0.095 R)
• M25: 37,499,399 km (0.083 R)
• M26: 38,234,373 km (0.061 R)
• M27: 42,581,837 km (0.049 R)
• M28: 42,847,373 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 339.6

Radius: 6.8

Gravity: 7.34 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 8.33 AU - 8.47 AU

Year: 15971 Days

Day: 16 Hours

Environment

Temp: -221 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 51,833,601 km

• M1: 86,916 km (0.115 R)
• M2: 325,525 km (0.11 R)
• M3: 628,161 km (0.084 R)
• M4: 912,697 km (0.108 R)
• M5: 1,172,548 km (0.084 R)
• M6: 2,012,690 km (0.106 R)
• M7: 2,246,810 km (0.095 R)
• M8: 2,539,424 km (0.077 R)
• M9: 3,225,629 km (0.12 R)
• M10: 4,614,047 km (0.118 R)
• M11: 4,991,333 km (0.103 R)
• M12: 6,399,199 km (0.09 R)
• M13: 7,920,310 km (0.115 R)
• M14: 9,172,593 km (0.088 R)
• M15: 9,820,203 km (0.117 R)
• M16: 12,004,780 km (0.081 R)
• M17: 13,397,537 km (0.105 R)
• M18: 14,230,647 km (0.075 R)
• M19: 18,063,644 km (0.081 R)
• M20: 19,968,623 km (0.083 R)
• M21: 20,215,759 km (0.11 R)
• M22: 20,884,910 km (0.107 R)
• M23: 21,916,238 km (0.091 R)
• M24: 23,801,919 km (0.079 R)
• M25: 33,461,304 km (0.045 R)
• M26: 34,161,422 km (0.076 R)
• M27: 35,110,171 km (0.045 R)
• M28: 38,824,537 km (0.112 R)
• M29: 41,441,303 km (0.116 R)
• M30: 41,709,233 km (0.099 R)
• M31: 42,384,218 km (0.076 R)
• M32: 44,312,984 km (0.099 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 303 - 12,780 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit