🌌 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: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.2

Radius: 13.1

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.6 AU - 0.76 AU

Year: 374 Days

Day: 11.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 31,078,838 km

• M1: 164,258 km (0.066 R)
• M2: 583,731 km (0.107 R)
• M3: 1,133,204 km (0.089 R)
• M4: 1,557,314 km (0.115 R)
• M5: 2,154,509 km (0.094 R)
• M6: 2,600,460 km (0.028 R)
• M7: 3,706,287 km (0.111 R)
• M8: 4,116,784 km (0.042 R)
• M9: 4,782,794 km (0.084 R)
• M10: 5,225,304 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.8

Radius: 9.1

Gravity: 10.99 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.6 AU - 0.84 AU

Year: 407 Days

Day: 9.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 31,078,838 km

• M1: 113,246 km (0.083 R)
• M2: 457,321 km (0.116 R)
• M3: 974,481 km (0.109 R)
• M4: 1,383,930 km (0.099 R)
• M5: 1,996,982 km (0.11 R)
• M6: 2,605,397 km (0.078 R)
• M7: 3,087,550 km (0.107 R)
• M8: 3,392,581 km (0.097 R)
• M9: 3,928,141 km (0.051 R)
• M10: 4,805,383 km (0.114 R)
• M11: 5,431,300 km (0.086 R)
• M12: 5,772,982 km (0.083 R)
• M13: 6,238,381 km (0.042 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.9

Radius: 13.1

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.63 AU - 0.95 AU

Year: 468 Days

Day: 10.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 31,078,838 km

• M1: 163,211 km (0.084 R)
• M2: 579,093 km (0.091 R)
• M3: 1,027,289 km (0.099 R)
• M4: 1,521,560 km (0.119 R)
• M5: 2,121,747 km (0.098 R)
• M6: 2,548,998 km (0.057 R)
• M7: 4,065,472 km (0.072 R)
• M8: 4,670,595 km (0.068 R)
• M9: 5,471,991 km (0.114 R)
• M10: 5,970,002 km (0.034 R)
• M11: 6,536,978 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.6

Radius: 8.8

Gravity: 9.59 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 2.75 AU - 3.21 AU

Year: 3430 Days

Day: 12.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 31,078,838 km

• M1: 109,506 km (0.076 R)
• M2: 642,373 km (0.117 R)
• M3: 957,127 km (0.092 R)
• M4: 1,705,117 km (0.119 R)
• M5: 2,312,933 km (0.049 R)
• M6: 2,782,520 km (0.079 R)
• M7: 3,058,229 km (0.105 R)
• M8: 3,808,313 km (0.079 R)
• M9: 4,534,461 km (0.105 R)
• M10: 5,428,608 km (0.12 R)
• M11: 5,917,793 km (0.075 R)
• M12: 8,670,393 km (0.086 R)
• M13: 10,001,814 km (0.083 R)
• M14: 11,032,993 km (0.094 R)
• M15: 11,818,082 km (0.093 R)
• M16: 12,315,944 km (0.094 R)
• M17: 15,548,305 km (0.055 R)
• M18: 15,872,633 km (0.062 R)
• M19: 17,388,060 km (0.11 R)
• M20: 18,510,642 km (0.111 R)
• M21: 19,059,068 km (0.036 R)
• M22: 21,228,686 km (0.085 R)
• M23: 23,914,416 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.7

Radius: 11.1

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 3.16 AU - 3.74 AU

Year: 4273 Days

Day: 13.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 31,078,838 km

• M1: 139,276 km (0.085 R)
• M2: 517,609 km (0.117 R)
• M3: 904,618 km (0.088 R)
• M4: 1,824,645 km (0.105 R)
• M5: 4,005,932 km (0.076 R)
• M6: 6,040,463 km (0.116 R)
• M7: 7,090,490 km (0.088 R)
• M8: 7,675,867 km (0.081 R)
• M9: 8,980,510 km (0.066 R)
• M10: 9,823,344 km (0.099 R)
• M11: 11,099,414 km (0.073 R)
• M12: 11,577,828 km (0.063 R)
• M13: 13,337,249 km (0.11 R)
• M14: 13,729,345 km (0.077 R)
• M15: 16,190,230 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.3

Radius: 9.8

Gravity: 9.94 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 3.71 AU - 4.05 AU

Year: 5097 Days

Day: 11.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 31,078,838 km

• M1: 122,969 km (0.073 R)
• M2: 499,358 km (0.047 R)
• M3: 918,082 km (0.1 R)
• M4: 1,301,053 km (0.056 R)
• M5: 1,931,159 km (0.071 R)
• M6: 2,251,448 km (0.069 R)
• M7: 2,572,186 km (0.058 R)
• M8: 3,327,954 km (0.093 R)
• M9: 3,655,574 km (0.114 R)
• M10: 4,175,277 km (0.112 R)
• M11: 4,962,909 km (0.101 R)
• M12: 6,195,596 km (0.116 R)
• M13: 7,327,453 km (0.102 R)
• M14: 7,696,212 km (0.087 R)
• M15: 9,085,976 km (0.078 R)
• M16: 9,555,414 km (0.095 R)
• M17: 10,176,246 km (0.066 R)
• M18: 11,946,736 km (0.099 R)
• M19: 14,538,071 km (0.088 R)
• M20: 15,121,652 km (0.118 R)
• M21: 17,094,549 km (0.079 R)
• M22: 18,343,990 km (0.062 R)
• M23: 19,025,558 km (0.111 R)
• M24: 20,007,967 km (0.119 R)
• M25: 21,320,389 km (0.088 R)
• M26: 22,073,764 km (0.094 R)
• M27: 23,633,771 km (0.119 R)
• M28: 30,802,351 km (0.061 R)
• M29: 31,765,013 km (0.066 R)
• M30: 33,146,400 km (0.08 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.3

Radius: 11.6

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 4.71 AU - 4.73 AU

Year: 6838 Days

Day: 13.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 31,078,838 km

• M1: 144,212 km (0.078 R)
• M2: 550,819 km (0.087 R)
• M3: 1,157,888 km (0.096 R)
• M4: 2,371,276 km (0.119 R)
• M5: 4,011,018 km (0.046 R)
• M6: 4,620,629 km (0.089 R)
• M7: 7,062,665 km (0.114 R)
• M8: 7,842,519 km (0.119 R)
• M9: 8,291,612 km (0.076 R)
• M10: 8,877,138 km (0.076 R)
• M11: 9,785,496 km (0.061 R)
• M12: 11,932,824 km (0.105 R)
• M13: 13,090,711 km (0.099 R)
• M14: 16,706,193 km (0.027 R)
• M15: 17,325,677 km (0.041 R)
• M16: 19,276,434 km (0.106 R)
• M17: 19,683,489 km (0.093 R)
• M18: 21,659,528 km (0.119 R)
• M19: 25,674,435 km (0.07 R)
• M20: 26,084,782 km (0.116 R)
• M21: 27,003,164 km (0.084 R)
• M22: 27,943,087 km (0.086 R)
• M23: 30,251,083 km (0.094 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: 148 - 13,476 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit