🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.5

Radius: 9.4

Gravity: 8.91 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.72 AU - 1.16 AU

Year: 588 Days

Day: 6.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 41,054,007 km

• M1: 116,986 km (0.105 R)
• M2: 418,724 km (0.119 R)
• M3: 883,675 km (0.108 R)
• M4: 1,199,177 km (0.085 R)
• M5: 1,591,422 km (0.087 R)
• M6: 2,161,540 km (0.05 R)
• M7: 2,552,738 km (0.119 R)
• M8: 3,014,696 km (0.062 R)
• M9: 3,336,033 km (0.045 R)
• M10: 4,808,375 km (0.037 R)
• M11: 5,389,862 km (0.073 R)
• M12: 6,309,739 km (0.1 R)
• M13: 7,551,850 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135.2

Radius: 8.4

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.71 AU - 1.85 AU

Year: 1533 Days

Day: 5.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,054,007 km

• M1: 104,419 km (0.034 R)
• M2: 436,975 km (0.103 R)
• M3: 1,038,508 km (0.086 R)
• M4: 1,381,836 km (0.054 R)
• M5: 2,342,254 km (0.078 R)
• M6: 2,928,678 km (0.08 R)
• M7: 3,877,876 km (0.093 R)
• M8: 4,190,087 km (0.12 R)
• M9: 5,372,508 km (0.093 R)
• M10: 6,329,336 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.5

Radius: 14

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.61 AU - 2.53 AU

Year: 1923 Days

Day: 11.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 41,054,007 km

• M1: 175,030 km (0.059 R)
• M2: 1,127,070 km (0.101 R)
• M3: 1,992,644 km (0.081 R)
• M4: 4,499,904 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.2

Radius: 8.1

Gravity: 10.87 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 3.65 AU - 5.13 AU

Year: 5939 Days

Day: 12.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 41,054,007 km

• M1: 100,679 km (0.071 R)
• M2: 399,875 km (0.099 R)
• M3: 668,254 km (0.072 R)
• M4: 1,062,294 km (0.096 R)
• M5: 1,387,371 km (0.05 R)
• M6: 2,146,580 km (0.064 R)
• M7: 2,546,904 km (0.118 R)
• M8: 2,937,354 km (0.103 R)
• M9: 3,240,290 km (0.111 R)
• M10: 3,862,168 km (0.085 R)
• M11: 4,201,606 km (0.081 R)
• M12: 5,283,049 km (0.044 R)
• M13: 5,641,037 km (0.113 R)
• M14: 6,306,448 km (0.036 R)
• M15: 9,327,278 km (0.068 R)
• M16: 11,739,394 km (0.095 R)
• M17: 12,042,180 km (0.111 R)
• M18: 13,801,451 km (0.076 R)
• M19: 17,232,478 km (0.067 R)
• M20: 20,097,427 km (0.077 R)
• M21: 21,267,581 km (0.057 R)
• M22: 26,664,175 km (0.055 R)
• M23: 28,165,838 km (0.099 R)
• M24: 30,760,613 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.8

Radius: 11.1

Gravity: 8.02 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 4.01 AU - 5.55 AU

Year: 6748 Days

Day: 11.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 41,054,007 km

• M1: 138,079 km (0.082 R)
• M2: 794,664 km (0.098 R)
• M3: 1,140,235 km (0.076 R)
• M4: 1,524,402 km (0.084 R)
• M5: 1,980,077 km (0.085 R)
• M6: 2,544,809 km (0.056 R)
• M7: 3,393,628 km (0.068 R)
• M8: 3,972,571 km (0.113 R)
• M9: 4,532,217 km (0.101 R)
• M10: 5,549,483 km (0.073 R)
• M11: 6,250,199 km (0.038 R)
• M12: 7,122,055 km (0.109 R)
• M13: 7,909,090 km (0.117 R)
• M14: 9,891,262 km (0.071 R)
• M15: 10,422,184 km (0.099 R)
• M16: 10,870,679 km (0.119 R)
• M17: 11,332,039 km (0.11 R)
• M18: 12,294,103 km (0.029 R)
• M19: 17,032,466 km (0.092 R)
• M20: 21,001,746 km (0.092 R)
• M21: 21,798,953 km (0.071 R)
• M22: 22,865,436 km (0.092 R)
• M23: 27,199,286 km (0.096 R)
• M24: 28,725,185 km (0.04 R)
• M25: 32,051,643 km (0.107 R)
• M26: 36,077,172 km (0.081 R)
• M27: 38,035,109 km (0.086 R)
• M28: 38,861,488 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 211.3

Radius: 11.7

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 3.73 AU - 5.95 AU

Year: 6875 Days

Day: 15 Hours

Environment

Temp: -215 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,054,007 km

• M1: 145,559 km (0.063 R)
• M2: 622,926 km (0.074 R)
• M3: 1,038,808 km (0.084 R)
• M4: 1,543,700 km (0.105 R)
• M5: 2,071,033 km (0.099 R)
• M6: 2,539,573 km (0.111 R)
• M7: 3,337,678 km (0.119 R)
• M8: 4,526,981 km (0.052 R)
• M9: 5,866,929 km (0.11 R)
• M10: 7,356,774 km (0.096 R)
• M11: 7,825,465 km (0.081 R)
• M12: 8,897,333 km (0.105 R)
• M13: 10,897,606 km (0.07 R)
• M14: 14,853,573 km (0.101 R)
• M15: 16,323,372 km (0.038 R)
• M16: 24,928,690 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 399.4

Radius: 3.4

Gravity: 34.55 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 5.29 AU - 7.45 AU

Year: 10381 Days

Day: 20.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 41,054,007 km

• M1: 42,336 km (0.099 R)
• M2: 152,440 km (0.117 R)
• M3: 285,433 km (0.106 R)
• M4: 416,630 km (0.088 R)
• M5: 541,245 km (0.036 R)
• M6: 1,021,903 km (0.088 R)
• M7: 1,726,359 km (0.09 R)
• M8: 1,861,596 km (0.081 R)
• M9: 2,086,142 km (0.088 R)
• M10: 2,257,282 km (0.084 R)
• M11: 3,348,748 km (0.119 R)
• M12: 4,112,745 km (0.092 R)
• M13: 4,437,522 km (0.095 R)
• M14: 6,464,274 km (0.037 R)
• M15: 6,940,294 km (0.097 R)
• M16: 7,091,388 km (0.095 R)
• M17: 7,557,684 km (0.089 R)
• M18: 8,168,941 km (0.114 R)
• M19: 11,201,440 km (0.111 R)
• M20: 12,377,129 km (0.112 R)
• M21: 15,413,667 km (0.034 R)
• M22: 15,670,975 km (0.119 R)
• M23: 20,185,989 km (0.092 R)
• M24: 20,339,476 km (0.028 R)
• M25: 22,489,796 km (0.12 R)
• M26: 23,407,579 km (0.118 R)
• M27: 27,705,825 km (0.052 R)
• M28: 31,049,487 km (0.027 R)
• M29: 32,712,118 km (0.07 R)
• M30: 34,433,091 km (0.113 R)
• M31: 34,872,610 km (0.072 R)
• M32: 35,093,716 km (0.079 R)
• M33: 36,668,084 km (0.072 R)
• M34: 37,126,302 km (0.078 R)
• M35: 37,588,410 km (0.091 R)
• M36: 39,595,265 km (0.086 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 356 - 19,397 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit