🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.2

Radius: 8.2

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.46 AU - 0.72 AU

Year: 319 Days

Day: 10.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 65,866,878 km

• M1: 102,624 km (0.108 R)
• M2: 485,445 km (0.107 R)
• M3: 872,754 km (0.12 R)
• M4: 1,218,624 km (0.067 R)
• M5: 1,805,796 km (0.103 R)
• M6: 2,740,483 km (0.111 R)
• M7: 3,087,700 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.8

Radius: 12.6

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.8 AU - 0.96 AU

Year: 580 Days

Day: 11.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,866,878 km

• M1: 156,629 km (0.072 R)
• M2: 618,886 km (0.05 R)
• M3: 1,088,923 km (0.055 R)
• M4: 1,502,112 km (0.092 R)
• M5: 2,054,428 km (0.105 R)
• M6: 2,789,551 km (0.097 R)
• M7: 3,186,435 km (0.109 R)
• M8: 3,621,465 km (0.116 R)
• M9: 4,109,154 km (0.034 R)
• M10: 4,871,804 km (0.119 R)
• M11: 5,295,166 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.6

Radius: 13.3

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.16 AU - 1.4 AU

Year: 1018 Days

Day: 13.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 65,866,878 km

• M1: 169,046 km (0.104 R)
• M2: 674,088 km (0.118 R)
• M3: 1,115,701 km (0.075 R)
• M4: 1,595,312 km (0.091 R)
• M5: 2,264,463 km (0.05 R)
• M6: 3,009,909 km (0.098 R)
• M7: 3,621,465 km (0.1 R)
• M8: 4,917,581 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.4

Radius: 13.8

Gravity: 0.07 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 2.1 AU - 3.2 AU

Year: 3032 Days

Day: 10 Hours

Environment

Temp: -210 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 65,866,878 km

• M1: 177,573 km (0.091 R)
• M2: 1,484,609 km (0.075 R)
• M3: 2,785,961 km (0.041 R)
• M4: 4,055,299 km (0.097 R)
• M5: 5,436,387 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.7

Radius: 11.7

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 2.28 AU - 3.06 AU

Year: 3067 Days

Day: 9.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 65,866,878 km

• M1: 152,590 km (0.063 R)
• M2: 518,805 km (0.073 R)
• M3: 992,283 km (0.045 R)
• M4: 2,507,260 km (0.091 R)
• M5: 4,691,389 km (0.078 R)
• M6: 5,295,017 km (0.058 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.2

Radius: 9.8

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 2.17 AU - 3.23 AU

Year: 3119 Days

Day: 8.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,866,878 km

• M1: 121,922 km (0.08 R)
• M2: 442,511 km (0.071 R)
• M3: 1,090,419 km (0.109 R)
• M4: 4,449,340 km (0.109 R)
• M5: 5,359,793 km (0.119 R)
• M6: 6,271,741 km (0.114 R)
• M7: 7,546,465 km (0.049 R)
• M8: 8,429,990 km (0.063 R)
• M9: 8,807,874 km (0.113 R)
• M10: 9,227,645 km (0.115 R)
• M11: 10,010,491 km (0.055 R)
• M12: 11,636,620 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.2

Radius: 14.4

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 3.46 AU - 5.14 AU

Year: 6268 Days

Day: 10.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,866,878 km

• M1: 179,069 km (0.037 R)
• M2: 794,514 km (0.04 R)
• M3: 1,278,613 km (0.084 R)
• M4: 2,611,081 km (0.086 R)
• M5: 3,242,833 km (0.108 R)
• M6: 3,711,673 km (0.035 R)
• M7: 4,514,415 km (0.039 R)
• M8: 5,102,185 km (0.109 R)
• M9: 5,836,561 km (0.065 R)
• M10: 6,330,683 km (0.106 R)
• M11: 6,817,025 km (0.06 R)
• M12: 9,148,359 km (0.049 R)
• M13: 10,857,813 km (0.106 R)
• M14: 14,780,569 km (0.103 R)
• M15: 15,703,139 km (0.119 R)
• M16: 17,527,784 km (0.094 R)
• M17: 18,773,037 km (0.092 R)
• M18: 20,076,633 km (0.111 R)
• M19: 22,863,641 km (0.114 R)
• M20: 25,724,102 km (0.12 R)
• M21: 26,519,514 km (0.086 R)
• M22: 33,381,269 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 737.8

Radius: 7.8

Gravity: 12.13 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 6.23 AU - 7.45 AU

Year: 12575 Days

Day: 24.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 65,866,878 km

• M1: 96,939 km (0.092 R)
• M2: 377,735 km (0.11 R)
• M3: 657,034 km (0.102 R)
• M4: 917,035 km (0.111 R)
• M5: 1,671,008 km (0.081 R)
• M6: 2,991,509 km (0.116 R)
• M7: 4,422,113 km (0.108 R)
• M8: 4,833,208 km (0.09 R)
• M9: 6,260,072 km (0.083 R)
• M10: 8,131,991 km (0.118 R)
• M11: 8,847,517 km (0.086 R)
• M12: 10,078,857 km (0.111 R)
• M13: 11,773,652 km (0.05 R)
• M14: 15,217,993 km (0.045 R)
• M15: 16,675,675 km (0.1 R)
• M16: 17,054,157 km (0.09 R)
• M17: 21,072,506 km (0.108 R)
• M18: 25,881,628 km (0.061 R)
• M19: 29,464,797 km (0.071 R)
• M20: 30,241,509 km (0.102 R)
• M21: 32,067,949 km (0.095 R)
• M22: 33,246,182 km (0.088 R)
• M23: 37,467,983 km (0.077 R)
• M24: 38,379,334 km (0.098 R)
• M25: 38,906,816 km (0.113 R)
• M26: 39,707,015 km (0.09 R)
• M27: 41,340,175 km (0.047 R)
• M28: 45,765,729 km (0.094 R)
• M29: 48,474,946 km (0.102 R)
• M30: 50,182,307 km (0.099 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 633.7

Radius: 3.7

Gravity: 46.29 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 7.73 AU - 8.83 AU

Year: 16748 Days

Day: 22.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 65,866,878 km

• M1: 47,123 km (0.062 R)
• M2: 336,296 km (0.041 R)
• M3: 709,393 km (0.113 R)
• M4: 1,099,395 km (0.1 R)
• M5: 1,243,458 km (0.113 R)
• M6: 1,460,225 km (0.03 R)
• M7: 1,931,907 km (0.088 R)
• M8: 2,347,490 km (0.109 R)
• M9: 2,565,155 km (0.095 R)
• M10: 4,041,237 km (0.082 R)
• M11: 4,227,037 km (0.063 R)
• M12: 4,418,523 km (0.076 R)
• M13: 4,549,271 km (0.107 R)
• M14: 5,170,402 km (0.086 R)
• M15: 5,389,562 km (0.074 R)
• M16: 6,879,707 km (0.11 R)
• M17: 7,648,341 km (0.083 R)
• M18: 11,481,786 km (0.1 R)
• M19: 11,729,520 km (0.083 R)
• M20: 16,504,385 km (0.048 R)
• M21: 16,899,323 km (0.117 R)
• M22: 17,955,784 km (0.085 R)
• M23: 32,869,345 km (0.101 R)
• M24: 38,091,059 km (0.11 R)
• M25: 46,604,225 km (0.09 R)
• M26: 48,672,116 km (0.089 R)
• M27: 54,890,451 km (0.079 R)
• M28: 58,462,249 km (0.092 R)
• M29: 62,566,766 km (0.099 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 178 - 19,983 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit