🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.4

Radius: 10.7

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.69 AU - 0.73 AU

Year: 399 Days

Day: 11.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 39,760,434 km

• M1: 133,441 km (0.113 R)
• M2: 549,772 km (0.093 R)
• M3: 961,914 km (0.088 R)
• M4: 1,772,585 km (0.101 R)
• M5: 2,463,428 km (0.056 R)
• M6: 2,971,762 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.6

Radius: 8.4

Gravity: 8.89 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.96 AU - 1.58 AU

Year: 954 Days

Day: 13 Hours

Environment

Temp: -195 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 39,760,434 km

• M1: 104,419 km (0.052 R)
• M2: 446,998 km (0.073 R)
• M3: 1,004,550 km (0.115 R)
• M4: 1,464,713 km (0.086 R)
• M5: 2,020,170 km (0.084 R)
• M6: 3,319,427 km (0.067 R)
• M7: 4,211,030 km (0.102 R)
• M8: 4,512,620 km (0.071 R)
• M9: 4,955,579 km (0.114 R)
• M10: 5,446,559 km (0.032 R)
• M11: 5,825,640 km (0.085 R)
• M12: 6,265,009 km (0.056 R)
• M13: 7,866,006 km (0.112 R)
• M14: 8,247,181 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.6

Radius: 9.9

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 2.06 AU - 2.16 AU

Year: 2044 Days

Day: 13.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 39,760,434 km

• M1: 123,119 km (0.098 R)
• M2: 490,681 km (0.115 R)
• M3: 947,553 km (0.098 R)
• M4: 1,572,573 km (0.078 R)
• M5: 3,446,735 km (0.108 R)
• M6: 4,213,873 km (0.111 R)
• M7: 5,333,463 km (0.079 R)
• M8: 5,842,545 km (0.031 R)
• M9: 6,666,680 km (0.074 R)
• M10: 8,180,012 km (0.114 R)
• M11: 12,262,089 km (0.094 R)
• M12: 13,441,219 km (0.1 R)
• M13: 14,080,152 km (0.036 R)
• M14: 14,963,228 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.2

Radius: 14.1

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 3.41 AU - 5.03 AU

Year: 5781 Days

Day: 5.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,760,434 km

• M1: 175,478 km (0.056 R)
• M2: 623,674 km (0.118 R)
• M3: 1,346,381 km (0.088 R)
• M4: 5,111,460 km (0.119 R)
• M5: 9,893,356 km (0.111 R)
• M6: 11,139,506 km (0.076 R)
• M7: 14,280,314 km (0.106 R)
• M8: 15,327,499 km (0.102 R)
• M9: 24,548,562 km (0.119 R)
• M10: 26,651,010 km (0.115 R)
• M11: 30,260,807 km (0.078 R)
• M12: 31,889,329 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.4

Radius: 13.8

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 5.11 AU - 5.21 AU

Year: 7816 Days

Day: 14.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 39,760,434 km

• M1: 171,738 km (0.115 R)
• M2: 629,657 km (0.11 R)
• M3: 1,362,238 km (0.037 R)
• M4: 2,136,856 km (0.061 R)
• M5: 3,036,687 km (0.07 R)
• M6: 3,886,553 km (0.107 R)
• M7: 4,711,435 km (0.048 R)
• M8: 5,292,324 km (0.096 R)
• M9: 6,129,324 km (0.098 R)
• M10: 7,367,396 km (0.109 R)
• M11: 9,987,752 km (0.062 R)
• M12: 10,691,012 km (0.114 R)
• M13: 12,366,209 km (0.12 R)
• M14: 13,296,408 km (0.104 R)
• M15: 15,100,708 km (0.119 R)
• M16: 16,643,960 km (0.072 R)
• M17: 17,275,712 km (0.079 R)
• M18: 18,364,036 km (0.118 R)
• M19: 20,999,801 km (0.051 R)
• M20: 21,654,890 km (0.114 R)
• M21: 25,597,093 km (0.05 R)
• M22: 28,976,659 km (0.108 R)
• M23: 33,411,787 km (0.034 R)
• M24: 34,757,569 km (0.114 R)
• M25: 35,674,754 km (0.118 R)
• M26: 36,490,511 km (0.078 R)
• M27: 40,883,303 km (0.09 R)
• M28: 42,034,309 km (0.088 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 892.2

Radius: 4.9

Gravity: 37.16 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 6.17 AU - 7.49 AU

Year: 11903 Days

Day: 22.5 Hours

Environment

Temp: -239 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 39,760,434 km

• M1: 60,886 km (0.12 R)
• M2: 232,625 km (0.052 R)
• M3: 581,936 km (0.029 R)
• M4: 747,989 km (0.089 R)
• M5: 1,000,810 km (0.075 R)
• M6: 1,229,844 km (0.066 R)
• M7: 1,584,092 km (0.077 R)
• M8: 1,861,895 km (0.115 R)
• M9: 2,472,703 km (0.085 R)
• M10: 2,755,742 km (0.097 R)
• M11: 3,158,161 km (0.049 R)
• M12: 4,862,080 km (0.089 R)
• M13: 5,520,760 km (0.118 R)
• M14: 6,236,885 km (0.043 R)
• M15: 6,802,963 km (0.103 R)
• M16: 8,511,221 km (0.083 R)
• M17: 9,360,788 km (0.038 R)
• M18: 11,819,279 km (0.105 R)
• M19: 13,002,598 km (0.104 R)
• M20: 13,923,523 km (0.091 R)
• M21: 16,339,827 km (0.096 R)
• M22: 16,641,267 km (0.111 R)
• M23: 16,946,447 km (0.088 R)
• M24: 17,177,725 km (0.109 R)
• M25: 19,777,736 km (0.101 R)
• M26: 21,170,941 km (0.108 R)
• M27: 21,349,711 km (0.083 R)
• M28: 22,258,069 km (0.108 R)
• M29: 28,689,880 km (0.089 R)
• M30: 29,460,608 km (0.078 R)
• M31: 30,471,740 km (0.088 R)
• M32: 30,813,870 km (0.064 R)
• M33: 33,401,465 km (0.048 R)
• M34: 43,450,552 km (0.11 R)
• M35: 53,004,321 km (0.113 R)
• M36: 53,664,795 km (0.08 R)
• M37: 55,339,843 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 169.8

Radius: 4.3

Gravity: 9.18 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 8.01 AU - 8.05 AU

Year: 15174 Days

Day: 23 Hours

Environment

Temp: -242 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 39,760,434 km

• M1: 59,690 km (0.111 R)
• M2: 225,444 km (0.102 R)
• M3: 487,839 km (0.12 R)
• M4: 1,158,037 km (0.062 R)
• M5: 1,330,374 km (0.112 R)
• M6: 1,684,023 km (0.099 R)
• M7: 2,097,512 km (0.117 R)
• M8: 2,519,228 km (0.1 R)
• M9: 3,321,821 km (0.074 R)
• M10: 4,228,833 km (0.058 R)
• M11: 4,390,099 km (0.087 R)
• M12: 11,160,600 km (0.044 R)
• M13: 11,314,087 km (0.116 R)
• M14: 16,538,194 km (0.098 R)
• M15: 17,415,137 km (0.069 R)
• M16: 17,552,767 km (0.083 R)
• M17: 17,760,558 km (0.071 R)
• M18: 18,536,373 km (0.083 R)
• M19: 21,155,383 km (0.073 R)
• M20: 22,675,447 km (0.113 R)
• M21: 26,745,407 km (0.065 R)
• M22: 31,889,180 km (0.12 R)
• M23: 39,404,079 km (0.112 R)
• M24: 39,760,421 km (0.101 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 366 - 18,754 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit