🌌 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: 995

Radius: 14.3

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.56 AU - 0.9 AU

Year: 416 Days

Day: 11.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,316,410 km

• M1: 177,872 km (0.066 R)
• M2: 857,196 km (0.104 R)
• M3: 1,308,981 km (0.032 R)
• M4: 2,067,293 km (0.075 R)
• M5: 2,735,995 km (0.082 R)
• M6: 4,043,182 km (0.039 R)
• M7: 4,706,947 km (0.1 R)
• M8: 5,276,466 km (0.062 R)
• M9: 6,497,634 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.1

Radius: 11.1

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.84 AU - 0.86 AU

Year: 523 Days

Day: 14.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 49,316,410 km

• M1: 138,079 km (0.115 R)
• M2: 571,464 km (0.09 R)
• M3: 1,002,455 km (0.111 R)
• M4: 1,683,275 km (0.089 R)
• M5: 2,128,329 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.3

Radius: 11.5

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 3.62 AU - 3.9 AU

Year: 4862 Days

Day: 9.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 49,316,410 km

• M1: 143,913 km (0.111 R)
• M2: 661,522 km (0.084 R)
• M3: 1,304,793 km (0.083 R)
• M4: 1,798,765 km (0.065 R)
• M5: 2,304,106 km (0.111 R)
• M6: 2,721,933 km (0.032 R)
• M7: 3,131,383 km (0.101 R)
• M8: 3,668,439 km (0.105 R)
• M9: 5,340,644 km (0.116 R)
• M10: 6,141,292 km (0.113 R)
• M11: 6,554,332 km (0.116 R)
• M12: 7,943,797 km (0.104 R)
• M13: 8,319,886 km (0.12 R)
• M14: 9,108,266 km (0.104 R)
• M15: 13,127,662 km (0.081 R)
• M16: 13,495,224 km (0.094 R)
• M17: 14,195,940 km (0.115 R)
• M18: 14,695,148 km (0.119 R)
• M19: 16,263,383 km (0.07 R)
• M20: 17,940,375 km (0.111 R)
• M21: 18,393,357 km (0.09 R)
• M22: 19,389,829 km (0.057 R)
• M23: 20,703,298 km (0.041 R)
• M24: 22,222,913 km (0.091 R)
• M25: 23,583,656 km (0.093 R)
• M26: 26,637,546 km (0.085 R)
• M27: 29,495,614 km (0.105 R)
• M28: 30,218,022 km (0.046 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.1

Radius: 14.7

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 5.28 AU - 5.52 AU

Year: 8368 Days

Day: 14.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 49,316,410 km

• M1: 184,753 km (0.065 R)
• M2: 767,437 km (0.03 R)
• M3: 1,589,477 km (0.065 R)
• M4: 2,301,414 km (0.099 R)
• M5: 2,876,318 km (0.058 R)
• M6: 3,920,511 km (0.062 R)
• M7: 4,859,687 km (0.119 R)
• M8: 5,721,520 km (0.057 R)
• M9: 6,239,428 km (0.047 R)
• M10: 6,718,291 km (0.083 R)
• M11: 7,332,839 km (0.077 R)
• M12: 8,304,926 km (0.055 R)
• M13: 8,928,300 km (0.103 R)
• M14: 10,036,970 km (0.071 R)
• M15: 11,486,274 km (0.107 R)
• M16: 12,634,887 km (0.08 R)
• M17: 14,381,890 km (0.101 R)
• M18: 14,978,487 km (0.087 R)
• M19: 21,115,590 km (0.088 R)
• M20: 22,279,611 km (0.1 R)
• M21: 26,648,168 km (0.075 R)
• M22: 28,938,960 km (0.094 R)
• M23: 32,873,085 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.6

Radius: 8

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 4.6 AU - 6.68 AU

Year: 8932 Days

Day: 7.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 49,316,410 km

• M1: 100,380 km (0.091 R)
• M2: 1,039,406 km (0.099 R)
• M3: 1,402,929 km (0.101 R)
• M4: 1,673,551 km (0.095 R)
• M5: 2,208,813 km (0.09 R)
• M6: 3,251,061 km (0.056 R)
• M7: 4,011,617 km (0.049 R)
• M8: 4,537,603 km (0.117 R)
• M9: 5,052,369 km (0.098 R)
• M10: 6,006,654 km (0.053 R)
• M11: 8,267,826 km (0.114 R)
• M12: 8,911,246 km (0.104 R)
• M13: 9,850,122 km (0.079 R)
• M14: 10,900,449 km (0.111 R)
• M15: 12,074,194 km (0.042 R)
• M16: 12,902,218 km (0.065 R)
• M17: 17,880,087 km (0.118 R)
• M18: 18,818,066 km (0.115 R)
• M19: 19,577,724 km (0.118 R)
• M20: 22,590,176 km (0.046 R)
• M21: 22,899,694 km (0.054 R)
• M22: 28,875,531 km (0.083 R)
• M23: 30,071,865 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 842.3

Radius: 5

Gravity: 33.69 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 5.14 AU - 6.54 AU

Year: 9411 Days

Day: 16.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 49,316,410 km

• M1: 62,233 km (0.07 R)
• M2: 326,123 km (0.064 R)
• M3: 661,522 km (0.079 R)
• M4: 878,887 km (0.086 R)
• M5: 2,557,076 km (0.079 R)
• M6: 3,310,002 km (0.086 R)
• M7: 3,481,741 km (0.081 R)
• M8: 3,896,875 km (0.117 R)
• M9: 4,088,510 km (0.114 R)
• M10: 4,461,308 km (0.044 R)
• M11: 5,543,349 km (0.041 R)
• M12: 6,908,130 km (0.118 R)
• M13: 7,108,292 km (0.096 R)
• M14: 9,231,834 km (0.068 R)
• M15: 10,024,404 km (0.094 R)
• M16: 10,281,114 km (0.108 R)
• M17: 10,437,294 km (0.072 R)
• M18: 10,807,848 km (0.118 R)
• M19: 11,241,981 km (0.117 R)
• M20: 14,942,434 km (0.085 R)
• M21: 17,174,584 km (0.092 R)
• M22: 19,301,716 km (0.096 R)
• M23: 23,979,491 km (0.103 R)
• M24: 27,819,968 km (0.115 R)
• M25: 37,793,957 km (0.1 R)
• M26: 38,166,306 km (0.091 R)
• M27: 43,367,376 km (0.048 R)
• M28: 47,708,855 km (0.085 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 329 - 17,454 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit