🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.3

Radius: 9.7

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.76 AU - 0.96 AU

Year: 551 Days

Day: 12.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 169.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,471,425 km

• M1: 123,717 km (0.091 R)
• M2: 499,956 km (0.116 R)
• M3: 822,190 km (0.105 R)
• M4: 1,131,409 km (0.11 R)
• M5: 2,047,247 km (0.073 R)
• M6: 2,497,686 km (0.052 R)
• M7: 2,896,364 km (0.113 R)
• M8: 3,291,303 km (0.076 R)
• M9: 4,258,154 km (0.094 R)
• M10: 4,653,242 km (0.094 R)
• M11: 5,011,379 km (0.046 R)
• M12: 5,649,115 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.5

Radius: 11.3

Gravity: 7.82 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.16 AU - 1.3 AU

Year: 942 Days

Day: 10.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,471,425 km

• M1: 142,268 km (0.083 R)
• M2: 565,630 km (0.106 R)
• M3: 1,005,298 km (0.065 R)
• M4: 2,230,355 km (0.11 R)
• M5: 2,944,535 km (0.108 R)
• M6: 3,407,241 km (0.051 R)
• M7: 4,303,931 km (0.107 R)
• M8: 4,678,374 km (0.105 R)
• M9: 5,638,045 km (0.037 R)
• M10: 6,242,719 km (0.03 R)
• M11: 6,795,184 km (0.085 R)
• M12: 7,971,323 km (0.05 R)
• M13: 9,046,632 km (0.096 R)
• M14: 9,998,972 km (0.095 R)
• M15: 10,886,087 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.6

Radius: 10.1

Gravity: 7.73 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.28 AU - 1.46 AU

Year: 1107 Days

Day: 8.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,471,425 km

• M1: 125,662 km (0.032 R)
• M2: 493,972 km (0.118 R)
• M3: 1,162,525 km (0.107 R)
• M4: 1,717,832 km (0.08 R)
• M5: 2,674,960 km (0.104 R)
• M6: 3,389,140 km (0.109 R)
• M7: 4,105,564 km (0.071 R)
• M8: 5,016,615 km (0.103 R)
• M9: 6,395,758 km (0.067 R)
• M10: 6,963,930 km (0.092 R)
• M11: 7,386,544 km (0.09 R)
• M12: 7,747,375 km (0.104 R)
• M13: 8,958,818 km (0.117 R)
• M14: 10,387,927 km (0.095 R)
• M15: 11,173,615 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.7

Radius: 12.3

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.62 AU - 1.62 AU

Year: 1423 Days

Day: 8.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 64.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,471,425 km

• M1: 153,188 km (0.083 R)
• M2: 633,846 km (0.047 R)
• M3: 1,419,085 km (0.086 R)
• M4: 1,884,036 km (0.099 R)
• M5: 2,400,298 km (0.102 R)
• M6: 2,952,015 km (0.107 R)
• M7: 3,738,750 km (0.062 R)
• M8: 4,145,357 km (0.077 R)
• M9: 4,882,426 km (0.084 R)
• M10: 5,369,816 km (0.095 R)
• M11: 5,796,917 km (0.099 R)
• M12: 7,056,980 km (0.1 R)
• M13: 7,907,594 km (0.103 R)
• M14: 9,486,599 km (0.111 R)
• M15: 10,488,157 km (0.044 R)
• M16: 11,595,929 km (0.085 R)
• M17: 12,428,292 km (0.084 R)
• M18: 14,085,388 km (0.028 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.7

Radius: 13.7

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.36 AU - 2.18 AU

Year: 1625 Days

Day: 6.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,471,425 km

• M1: 170,392 km (0.11 R)
• M2: 763,548 km (0.079 R)
• M3: 1,320,949 km (0.048 R)
• M4: 2,006,407 km (0.047 R)
• M5: 2,623,199 km (0.063 R)
• M6: 3,490,567 km (0.107 R)
• M7: 4,260,697 km (0.115 R)
• M8: 5,099,791 km (0.077 R)
• M9: 5,681,278 km (0.084 R)
• M10: 6,211,304 km (0.105 R)
• M11: 8,231,024 km (0.051 R)
• M12: 8,850,808 km (0.118 R)
• M13: 9,312,467 km (0.115 R)
• M14: 9,855,059 km (0.058 R)
• M15: 10,452,553 km (0.046 R)
• M16: 11,941,351 km (0.119 R)
• M17: 13,206,949 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.3

Radius: 9

Gravity: 9.32 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 3.85 AU - 5.65 AU

Year: 7146 Days

Day: 14.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 52,471,425 km

• M1: 112,049 km (0.032 R)
• M2: 611,107 km (0.065 R)
• M3: 1,006,494 km (0.109 R)
• M4: 1,582,446 km (0.113 R)
• M5: 1,999,824 km (0.108 R)
• M6: 2,399,550 km (0.077 R)
• M7: 2,812,290 km (0.12 R)
• M8: 3,141,705 km (0.063 R)
• M9: 3,497,000 km (0.078 R)
• M10: 3,829,705 km (0.073 R)
• M11: 4,504,093 km (0.119 R)
• M12: 5,075,108 km (0.119 R)
• M13: 5,597,653 km (0.096 R)
• M14: 6,536,230 km (0.037 R)
• M15: 7,459,698 km (0.094 R)
• M16: 8,637,033 km (0.078 R)
• M17: 9,337,450 km (0.069 R)
• M18: 11,051,244 km (0.096 R)
• M19: 11,771,108 km (0.066 R)
• M20: 12,412,883 km (0.094 R)
• M21: 14,966,519 km (0.109 R)
• M22: 18,697,939 km (0.105 R)
• M23: 21,087,017 km (0.079 R)
• M24: 23,925,187 km (0.096 R)
• M25: 25,041,188 km (0.104 R)
• M26: 25,833,907 km (0.119 R)
• M27: 32,684,741 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 403.6

Radius: 5.8

Gravity: 12 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 7.74 AU - 7.78 AU

Year: 14921 Days

Day: 16.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 116.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 52,471,425 km

• M1: 72,106 km (0.12 R)
• M2: 259,852 km (0.091 R)
• M3: 491,279 km (0.102 R)
• M4: 940,971 km (0.115 R)
• M5: 1,259,764 km (0.101 R)
• M6: 1,588,281 km (0.099 R)
• M7: 1,821,504 km (0.075 R)
• M8: 2,813,338 km (0.115 R)
• M9: 3,326,009 km (0.108 R)
• M10: 3,657,219 km (0.036 R)
• M11: 4,009,971 km (0.117 R)
• M12: 4,910,999 km (0.089 R)
• M13: 5,867,079 km (0.117 R)
• M14: 9,423,020 km (0.087 R)
• M15: 10,348,881 km (0.081 R)
• M16: 11,447,079 km (0.109 R)
• M17: 11,849,199 km (0.109 R)
• M18: 14,132,810 km (0.085 R)
• M19: 16,331,001 km (0.096 R)
• M20: 17,211,085 km (0.111 R)
• M21: 18,511,241 km (0.116 R)
• M22: 19,548,702 km (0.079 R)
• M23: 21,913,844 km (0.104 R)
• M24: 22,178,034 km (0.116 R)
• M25: 27,102,347 km (0.106 R)
• M26: 27,610,980 km (0.078 R)
• M27: 30,033,418 km (0.032 R)
• M28: 34,815,763 km (0.043 R)
• M29: 35,175,546 km (0.114 R)
• M30: 38,526,388 km (0.087 R)
• M31: 41,409,289 km (0.071 R)
• M32: 45,854,590 km (0.088 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: 485 - 11,845 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit