🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.9

Radius: 10.3

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.63 AU - 0.65 AU

Year: 353 Days

Day: 14.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 52,249,473 km

• M1: 128,205 km (0.109 R)
• M2: 1,025,045 km (0.052 R)
• M3: 1,366,876 km (0.097 R)
• M4: 1,844,392 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72.2

Radius: 10.1

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.86 AU - 1.1 AU

Year: 670 Days

Day: 7.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 52,249,473 km

• M1: 125,812 km (0.107 R)
• M2: 537,206 km (0.082 R)
• M3: 989,740 km (0.062 R)
• M4: 1,379,143 km (0.119 R)
• M5: 1,753,736 km (0.05 R)
• M6: 2,173,807 km (0.032 R)
• M7: 2,501,576 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.9

Radius: 8.2

Gravity: 10.19 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.83 AU - 1.27 AU

Year: 743 Days

Day: 14.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 109.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,249,473 km

• M1: 102,175 km (0.087 R)
• M2: 386,561 km (0.055 R)
• M3: 674,387 km (0.068 R)
• M4: 1,098,348 km (0.092 R)
• M5: 1,426,715 km (0.044 R)
• M6: 1,700,928 km (0.073 R)
• M7: 1,991,746 km (0.073 R)
• M8: 2,675,109 km (0.092 R)
• M9: 3,033,695 km (0.093 R)
• M10: 4,227,037 km (0.07 R)
• M11: 4,972,783 km (0.079 R)
• M12: 6,853,378 km (0.095 R)
• M13: 7,185,036 km (0.088 R)
• M14: 7,690,827 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.6

Radius: 11.6

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.39 AU - 1.49 AU

Year: 1193 Days

Day: 7.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,249,473 km

• M1: 145,559 km (0.064 R)
• M2: 658,679 km (0.12 R)
• M3: 1,029,533 km (0.101 R)
• M4: 1,435,990 km (0.053 R)
• M5: 2,242,622 km (0.032 R)
• M6: 3,632,236 km (0.049 R)
• M7: 4,047,819 km (0.087 R)
• M8: 4,634,243 km (0.061 R)
• M9: 5,068,376 km (0.115 R)
• M10: 5,569,379 km (0.088 R)
• M11: 7,837,283 km (0.091 R)
• M12: 8,642,419 km (0.05 R)
• M13: 9,079,095 km (0.113 R)
• M14: 9,849,374 km (0.106 R)

Asteroid Belt

Center: 2.46 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.6

Radius: 8.3

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 3.19 AU - 3.77 AU

Year: 4481 Days

Day: 5.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 52,249,473 km

• M1: 103,372 km (0.108 R)
• M2: 407,953 km (0.07 R)
• M3: 731,534 km (0.118 R)
• M4: 994,078 km (0.106 R)
• M5: 1,349,822 km (0.067 R)
• M6: 1,719,478 km (0.065 R)
• M7: 2,037,074 km (0.095 R)
• M8: 2,350,332 km (0.117 R)
• M9: 3,452,270 km (0.111 R)
• M10: 3,740,246 km (0.077 R)
• M11: 4,453,229 km (0.095 R)
• M12: 4,748,685 km (0.108 R)
• M13: 5,609,920 km (0.085 R)
• M14: 6,542,663 km (0.057 R)
• M15: 7,768,169 km (0.032 R)
• M16: 8,677,724 km (0.11 R)
• M17: 11,238,989 km (0.062 R)
• M18: 11,532,799 km (0.087 R)
• M19: 12,004,780 km (0.03 R)
• M20: 12,714,173 km (0.118 R)
• M21: 13,687,457 km (0.106 R)
• M22: 15,729,468 km (0.087 R)
• M23: 16,632,740 km (0.082 R)
• M24: 19,369,783 km (0.116 R)
• M25: 19,671,222 km (0.103 R)
• M26: 21,416,880 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.1

Radius: 9.6

Gravity: 7.17 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 5.32 AU - 5.64 AU

Year: 8855 Days

Day: 5.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 52,249,473 km

• M1: 119,529 km (0.08 R)
• M2: 699,220 km (0.109 R)
• M3: 1,573,770 km (0.05 R)
• M4: 2,084,796 km (0.119 R)
• M5: 2,804,062 km (0.058 R)
• M6: 3,804,723 km (0.096 R)
• M7: 4,470,882 km (0.089 R)
• M8: 5,729,449 km (0.09 R)
• M9: 7,287,959 km (0.102 R)
• M10: 7,975,960 km (0.111 R)
• M11: 10,703,279 km (0.09 R)
• M12: 11,063,511 km (0.058 R)
• M13: 11,378,713 km (0.105 R)
• M14: 11,862,662 km (0.109 R)
• M15: 14,367,230 km (0.079 R)
• M16: 15,513,299 km (0.104 R)
• M17: 17,415,735 km (0.061 R)
• M18: 23,961,839 km (0.106 R)
• M19: 25,570,764 km (0.114 R)
• M20: 31,558,419 km (0.104 R)
• M21: 33,053,500 km (0.119 R)
• M22: 42,002,893 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 679.3

Radius: 7.7

Gravity: 11.46 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 4.69 AU - 7.59 AU

Year: 10502 Days

Day: 15.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 52,249,473 km

• M1: 95,743 km (0.077 R)
• M2: 346,618 km (0.041 R)
• M3: 657,183 km (0.075 R)
• M4: 1,109,717 km (0.115 R)
• M5: 1,850,974 km (0.105 R)
• M6: 2,552,140 km (0.081 R)
• M7: 2,997,193 km (0.057 R)
• M8: 3,297,885 km (0.104 R)
• M9: 3,644,204 km (0.11 R)
• M10: 4,125,012 km (0.073 R)
• M11: 4,956,327 km (0.079 R)
• M12: 5,615,306 km (0.097 R)
• M13: 6,294,031 km (0.068 R)
• M14: 7,146,889 km (0.101 R)
• M15: 7,771,161 km (0.12 R)
• M16: 9,466,254 km (0.078 R)
• M17: 12,538,246 km (0.095 R)
• M18: 14,460,429 km (0.062 R)
• M19: 15,389,881 km (0.108 R)
• M20: 28,585,760 km (0.108 R)
• M21: 29,729,286 km (0.061 R)
• M22: 30,472,787 km (0.088 R)
• M23: 33,914,884 km (0.11 R)
• M24: 35,314,073 km (0.077 R)
• M25: 36,268,059 km (0.109 R)
• M26: 36,509,211 km (0.099 R)
• M27: 38,227,342 km (0.079 R)
• M28: 45,499,893 km (0.087 R)
• M29: 47,344,136 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 398.5

Radius: 5.1

Gravity: 15.32 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 6.01 AU - 9.51 AU

Year: 14921 Days

Day: 24.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,249,473 km

• M1: 66,122 km (0.09 R)
• M2: 499,956 km (0.053 R)
• M3: 980,614 km (0.112 R)
• M4: 1,558,660 km (0.112 R)
• M5: 2,927,032 km (0.096 R)
• M6: 3,279,634 km (0.043 R)
• M7: 3,985,287 km (0.115 R)
• M8: 5,176,236 km (0.06 R)
• M9: 8,840,935 km (0.069 R)
• M10: 14,862,997 km (0.114 R)
• M11: 15,410,226 km (0.085 R)
• M12: 16,256,202 km (0.106 R)
• M13: 17,356,495 km (0.114 R)
• M14: 20,115,378 km (0.112 R)
• M15: 25,891,053 km (0.118 R)
• M16: 30,884,032 km (0.047 R)
• M17: 40,965,731 km (0.109 R)
• M18: 44,665,287 km (0.059 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: 190 - 17,759 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit