🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.9

Radius: 11

Gravity: 7.9 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.69 AU - 0.71 AU

Year: 412 Days

Day: 14.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 76,905,340 km

• M1: 136,882 km (0.098 R)
• M2: 749,037 km (0.082 R)
• M3: 1,306,438 km (0.098 R)
• M4: 1,699,432 km (0.112 R)
• M5: 2,528,204 km (0.061 R)
• M6: 2,956,652 km (0.103 R)
• M7: 3,433,421 km (0.06 R)
• M8: 3,894,033 km (0.085 R)
• M9: 4,908,605 km (0.059 R)
• M10: 5,964,916 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.3

Radius: 14

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.11 AU - 1.15 AU

Year: 844 Days

Day: 6 Hours

Environment

Temp: -184 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,905,340 km

• M1: 174,132 km (0.091 R)
• M2: 749,186 km (0.079 R)
• M3: 1,221,317 km (0.058 R)
• M4: 2,025,854 km (0.099 R)
• M5: 2,571,139 km (0.083 R)
• M6: 3,992,917 km (0.104 R)
• M7: 4,557,798 km (0.113 R)
• M8: 5,016,166 km (0.12 R)
• M9: 5,733,189 km (0.113 R)
• M10: 6,207,713 km (0.072 R)
• M11: 7,626,799 km (0.066 R)
• M12: 8,325,869 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.9

Radius: 11.5

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.34 AU - 1.6 AU

Year: 1253 Days

Day: 12.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,905,340 km

• M1: 143,165 km (0.079 R)
• M2: 659,577 km (0.115 R)
• M3: 1,044,044 km (0.119 R)
• M4: 1,432,549 km (0.08 R)
• M5: 2,105,291 km (0.114 R)
• M6: 2,889,184 km (0.119 R)
• M7: 3,889,245 km (0.076 R)
• M8: 4,460,859 km (0.052 R)
• M9: 5,511,485 km (0.112 R)
• M10: 6,021,464 km (0.047 R)
• M11: 7,326,855 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606.7

Radius: 8.9

Gravity: 7.66 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.86 AU - 1.98 AU

Year: 1870 Days

Day: 10.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 76,905,340 km

• M1: 110,702 km (0.066 R)
• M2: 595,699 km (0.042 R)
• M3: 937,081 km (0.082 R)
• M4: 1,662,032 km (0.085 R)
• M5: 2,610,333 km (0.084 R)
• M6: 3,242,384 km (0.12 R)
• M7: 3,603,514 km (0.057 R)
• M8: 3,882,813 km (0.085 R)
• M9: 4,913,542 km (0.106 R)
• M10: 5,280,057 km (0.064 R)
• M11: 6,043,904 km (0.078 R)
• M12: 6,959,143 km (0.029 R)
• M13: 7,732,714 km (0.059 R)
• M14: 10,052,678 km (0.095 R)
• M15: 11,975,609 km (0.109 R)
• M16: 12,680,963 km (0.065 R)
• M17: 14,609,578 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738

Radius: 13

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 4.56 AU - 5.52 AU

Year: 7953 Days

Day: 12.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 76,905,340 km

• M1: 161,715 km (0.114 R)
• M2: 810,372 km (0.036 R)
• M3: 1,319,004 km (0.118 R)
• M4: 1,769,892 km (0.069 R)
• M5: 2,221,828 km (0.07 R)
• M6: 2,654,315 km (0.113 R)
• M7: 3,716,759 km (0.068 R)
• M8: 4,496,463 km (0.088 R)
• M9: 5,015,119 km (0.09 R)
• M10: 6,560,166 km (0.077 R)
• M11: 7,114,725 km (0.099 R)
• M12: 7,740,493 km (0.112 R)
• M13: 9,420,776 km (0.069 R)
• M14: 11,177,055 km (0.118 R)
• M15: 14,823,055 km (0.077 R)
• M16: 19,420,048 km (0.073 R)
• M17: 21,756,766 km (0.045 R)
• M18: 23,756,591 km (0.098 R)
• M19: 24,889,645 km (0.094 R)
• M20: 26,241,411 km (0.087 R)
• M21: 27,641,647 km (0.084 R)
• M22: 30,692,397 km (0.086 R)
• M23: 32,036,085 km (0.04 R)
• M24: 34,289,029 km (0.092 R)
• M25: 37,222,344 km (0.044 R)
• M26: 39,348,578 km (0.087 R)
• M27: 41,305,468 km (0.12 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 510

Radius: 4.9

Gravity: 21.24 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 5.61 AU - 6.47 AU

Year: 10434 Days

Day: 18.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 76,905,340 km

• M1: 61,335 km (0.067 R)
• M2: 217,665 km (0.092 R)
• M3: 486,193 km (0.07 R)
• M4: 1,030,281 km (0.095 R)
• M5: 1,278,015 km (0.097 R)
• M6: 1,496,128 km (0.11 R)
• M7: 1,909,617 km (0.106 R)
• M8: 2,091,677 km (0.114 R)
• M9: 2,321,609 km (0.114 R)
• M10: 3,025,767 km (0.098 R)
• M11: 3,204,985 km (0.083 R)
• M12: 3,634,331 km (0.094 R)
• M13: 3,888,797 km (0.065 R)
• M14: 4,320,835 km (0.088 R)
• M15: 4,635,888 km (0.11 R)
• M16: 5,152,749 km (0.049 R)
• M17: 5,506,997 km (0.087 R)
• M18: 5,843,143 km (0.073 R)
• M19: 7,486,476 km (0.099 R)
• M20: 8,679,369 km (0.085 R)
• M21: 9,134,446 km (0.119 R)
• M22: 10,092,172 km (0.091 R)
• M23: 10,392,115 km (0.092 R)
• M24: 12,261,490 km (0.11 R)
• M25: 15,501,182 km (0.087 R)
• M26: 19,808,254 km (0.113 R)
• M27: 21,322,633 km (0.119 R)
• M28: 24,133,129 km (0.106 R)
• M29: 24,759,495 km (0.036 R)
• M30: 32,489,067 km (0.033 R)
• M31: 33,694,078 km (0.088 R)
• M32: 35,844,996 km (0.083 R)
• M33: 36,895,173 km (0.038 R)
• M34: 40,418,353 km (0.059 R)
• M35: 42,584,380 km (0.064 R)
• M36: 44,026,504 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 700.5

Radius: 7.8

Gravity: 11.51 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 7.35 AU - 11.35 AU

Year: 20097 Days

Day: 19.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 76,905,340 km

• M1: 97,388 km (0.117 R)
• M2: 372,050 km (0.059 R)
• M3: 666,459 km (0.056 R)
• M4: 971,937 km (0.104 R)
• M5: 2,009,249 km (0.067 R)
• M6: 2,297,823 km (0.114 R)
• M7: 2,590,287 km (0.077 R)
• M8: 3,278,587 km (0.03 R)
• M9: 3,801,282 km (0.11 R)
• M10: 4,115,138 km (0.085 R)
• M11: 4,830,665 km (0.087 R)
• M12: 5,429,505 km (0.105 R)
• M13: 5,747,101 km (0.097 R)
• M14: 6,076,815 km (0.04 R)
• M15: 6,463,077 km (0.104 R)
• M16: 13,227,743 km (0.11 R)
• M17: 13,513,624 km (0.075 R)
• M18: 13,950,301 km (0.117 R)
• M19: 14,851,927 km (0.104 R)
• M20: 18,849,033 km (0.08 R)
• M21: 19,763,674 km (0.03 R)
• M22: 20,326,311 km (0.098 R)
• M23: 20,611,744 km (0.094 R)
• M24: 31,347,935 km (0.049 R)
• M25: 32,500,586 km (0.101 R)
• M26: 33,548,519 km (0.113 R)
• M27: 34,080,938 km (0.08 R)
• M28: 37,394,232 km (0.036 R)
• M29: 38,690,049 km (0.077 R)
• M30: 40,765,121 km (0.117 R)
• M31: 44,653,020 km (0.119 R)
• M32: 50,501,249 km (0.089 R)
• M33: 55,347,023 km (0.046 R)
• M34: 58,360,074 km (0.118 R)
• M35: 59,130,054 km (0.028 R)
• M36: 70,632,335 km (0.117 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 360 - 13,974 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit