🌌 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: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437

Radius: 14.1

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.6 AU - 0.78 AU

Year: 389 Days

Day: 10.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 72,183,893 km

• M1: 176,226 km (0.106 R)
• M2: 679,623 km (0.111 R)
• M3: 1,210,396 km (0.111 R)
• M4: 2,015,682 km (0.094 R)
• M5: 2,562,911 km (0.098 R)
• M6: 3,065,560 km (0.053 R)
• M7: 3,999,050 km (0.071 R)
• M8: 4,546,429 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.4

Radius: 10

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.5 AU - 2.06 AU

Year: 1611 Days

Day: 12.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 72,183,893 km

• M1: 124,316 km (0.093 R)
• M2: 462,257 km (0.079 R)
• M3: 877,392 km (0.117 R)
• M4: 1,460,075 km (0.116 R)
• M5: 1,821,055 km (0.059 R)
• M6: 2,146,430 km (0.103 R)
• M7: 2,476,144 km (0.051 R)
• M8: 2,890,979 km (0.116 R)
• M9: 3,309,404 km (0.065 R)
• M10: 3,691,327 km (0.118 R)
• M11: 4,037,198 km (0.082 R)
• M12: 4,456,670 km (0.09 R)
• M13: 5,054,912 km (0.111 R)
• M14: 5,463,015 km (0.103 R)
• M15: 5,892,810 km (0.091 R)
• M16: 7,344,059 km (0.079 R)
• M17: 7,741,391 km (0.031 R)
• M18: 8,074,695 km (0.108 R)
• M19: 8,715,422 km (0.083 R)
• M20: 9,710,248 km (0.113 R)
• M21: 10,403,934 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 569.4

Radius: 11.3

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.97 AU - 3.27 AU

Year: 3738 Days

Day: 7.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 72,183,893 km

• M1: 140,472 km (0.102 R)
• M2: 558,598 km (0.049 R)
• M3: 1,078,601 km (0.087 R)
• M4: 1,477,429 km (0.091 R)
• M5: 2,344,647 km (0.119 R)
• M6: 2,976,998 km (0.041 R)
• M7: 3,562,224 km (0.093 R)
• M8: 4,179,166 km (0.034 R)
• M9: 4,723,104 km (0.118 R)
• M10: 5,111,460 km (0.114 R)
• M11: 5,468,849 km (0.088 R)
• M12: 6,884,494 km (0.057 R)
• M13: 8,925,757 km (0.11 R)
• M14: 9,295,413 km (0.109 R)
• M15: 11,908,888 km (0.107 R)
• M16: 13,004,393 km (0.092 R)
• M17: 14,977,589 km (0.056 R)
• M18: 16,749,875 km (0.102 R)
• M19: 20,196,909 km (0.047 R)
• M20: 20,706,739 km (0.104 R)
• M21: 22,220,669 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.2

Radius: 12.1

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 3.91 AU - 3.97 AU

Year: 5304 Days

Day: 5.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,183,893 km

• M1: 150,495 km (0.115 R)
• M2: 527,632 km (0.119 R)
• M3: 909,256 km (0.108 R)
• M4: 1,476,980 km (0.067 R)
• M5: 2,274,187 km (0.074 R)
• M6: 2,875,570 km (0.089 R)
• M7: 3,320,624 km (0.088 R)
• M8: 4,941,068 km (0.052 R)
• M9: 5,472,889 km (0.116 R)
• M10: 8,136,479 km (0.052 R)
• M11: 8,956,873 km (0.084 R)
• M12: 16,318,585 km (0.087 R)
• M13: 18,113,609 km (0.108 R)
• M14: 19,122,946 km (0.101 R)
• M15: 19,641,602 km (0.088 R)
• M16: 22,880,097 km (0.081 R)
• M17: 24,134,325 km (0.101 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 636.1

Radius: 7.9

Gravity: 10.19 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 7.71 AU - 8.97 AU

Year: 16336 Days

Day: 17.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 72,183,893 km

• M1: 100,979 km (0.071 R)
• M2: 378,782 km (0.117 R)
• M3: 672,742 km (0.036 R)
• M4: 1,016,069 km (0.067 R)
• M5: 2,009,099 km (0.083 R)
• M6: 2,404,636 km (0.104 R)
• M7: 2,898,908 km (0.047 R)
• M8: 3,221,889 km (0.098 R)
• M9: 4,594,749 km (0.119 R)
• M10: 4,965,453 km (0.12 R)
• M11: 5,429,356 km (0.087 R)
• M12: 6,320,510 km (0.11 R)
• M13: 8,639,127 km (0.071 R)
• M14: 9,048,128 km (0.028 R)
• M15: 9,849,973 km (0.11 R)
• M16: 11,170,174 km (0.11 R)
• M17: 14,157,793 km (0.052 R)
• M18: 16,215,811 km (0.037 R)
• M19: 16,603,269 km (0.042 R)
• M20: 21,189,940 km (0.114 R)
• M21: 23,672,666 km (0.083 R)
• M22: 26,130,709 km (0.073 R)
• M23: 27,203,326 km (0.03 R)
• M24: 30,597,252 km (0.111 R)
• M25: 33,134,283 km (0.066 R)
• M26: 34,390,157 km (0.115 R)
• M27: 36,070,141 km (0.061 R)
• M28: 39,036,368 km (0.037 R)
• M29: 46,842,085 km (0.101 R)
• M30: 47,628,072 km (0.099 R)
• M31: 47,944,921 km (0.089 R)
• M32: 48,743,325 km (0.099 R)
• M33: 57,578,276 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 527.3

Radius: 4.6

Gravity: 24.92 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 8.03 AU - 11.73 AU

Year: 21063 Days

Day: 22.4 Hours

Environment

Temp: -244 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 72,183,893 km

• M1: 57,146 km (0.089 R)
• M2: 477,816 km (0.117 R)
• M3: 1,144,125 km (0.107 R)
• M4: 1,927,718 km (0.113 R)
• M5: 3,564,468 km (0.115 R)
• M6: 4,046,323 km (0.066 R)
• M7: 5,791,831 km (0.12 R)
• M8: 6,542,513 km (0.03 R)
• M9: 6,851,283 km (0.031 R)
• M10: 7,262,528 km (0.099 R)
• M11: 8,336,790 km (0.103 R)
• M12: 12,122,813 km (0.09 R)
• M13: 12,588,511 km (0.083 R)
• M14: 13,066,177 km (0.115 R)
• M15: 15,636,568 km (0.111 R)
• M16: 16,834,548 km (0.101 R)
• M17: 18,264,554 km (0.083 R)
• M18: 19,956,506 km (0.073 R)
• M19: 20,699,259 km (0.115 R)
• M20: 20,982,448 km (0.079 R)
• M21: 22,536,620 km (0.072 R)
• M22: 29,641,621 km (0.078 R)
• M23: 30,852,317 km (0.1 R)
• M24: 31,594,322 km (0.092 R)
• M25: 33,242,741 km (0.065 R)
• M26: 33,631,097 km (0.101 R)
• M27: 36,025,112 km (0.083 R)
• M28: 39,825,496 km (0.084 R)
• M29: 40,117,212 km (0.075 R)
• M30: 43,729,552 km (0.062 R)
• M31: 60,539,865 km (0.11 R)
• M32: 61,118,958 km (0.075 R)
• M33: 63,870,213 km (0.093 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: 208 - 10,996 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit