🌌 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: 299

Radius: 11.6

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.55 AU - 0.83 AU

Year: 370 Days

Day: 13.5 Hours

Environment

Temp: -139 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 59,640,820 km

• M1: 144,212 km (0.095 R)
• M2: 511,026 km (0.087 R)
• M3: 923,767 km (0.055 R)
• M4: 1,671,457 km (0.1 R)
• M5: 2,468,514 km (0.083 R)
• M6: 3,136,768 km (0.071 R)
• M7: 3,797,692 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.3

Radius: 11.1

Gravity: 7.49 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.68 AU - 0.98 AU

Year: 488 Days

Day: 5.1 Hours

Environment

Temp: -138 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,640,820 km

• M1: 138,528 km (0.117 R)
• M2: 708,645 km (0.113 R)
• M3: 1,101,639 km (0.118 R)
• M4: 1,921,435 km (0.107 R)
• M5: 2,475,396 km (0.091 R)
• M6: 2,823,809 km (0.095 R)
• M7: 3,193,316 km (0.084 R)
• M8: 3,634,480 km (0.08 R)
• M9: 3,988,429 km (0.09 R)
• M10: 4,703,058 km (0.09 R)
• M11: 5,678,286 km (0.078 R)
• M12: 6,406,529 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.1

Radius: 9.8

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.95 AU - 1.23 AU

Year: 735 Days

Day: 14.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,640,820 km

• M1: 161,117 km (0.047 R)
• M2: 498,460 km (0.067 R)
• M3: 1,254,827 km (0.065 R)
• M4: 1,908,121 km (0.079 R)
• M5: 3,122,856 km (0.063 R)
• M6: 4,599,087 km (0.104 R)
• M7: 5,006,442 km (0.093 R)
• M8: 5,331,967 km (0.026 R)
• M9: 5,912,407 km (0.048 R)
• M10: 7,029,006 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386.3

Radius: 11.7

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.92 AU - 1.42 AU

Year: 817 Days

Day: 7 Hours

Environment

Temp: -160 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,640,820 km

• M1: 147,653 km (0.114 R)
• M2: 512,822 km (0.089 R)
• M3: 885,470 km (0.035 R)
• M4: 1,429,557 km (0.113 R)
• M5: 1,947,764 km (0.076 R)
• M6: 2,444,579 km (0.063 R)
• M7: 3,509,566 km (0.086 R)
• M8: 3,931,282 km (0.12 R)
• M9: 4,386,958 km (0.077 R)
• M10: 4,943,611 km (0.106 R)
• M11: 5,404,971 km (0.093 R)
• M12: 5,802,004 km (0.09 R)
• M13: 6,257,380 km (0.034 R)
• M14: 6,901,548 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.4

Radius: 13.4

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.01 AU - 1.43 AU

Year: 870 Days

Day: 10.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,640,820 km

• M1: 166,951 km (0.103 R)
• M2: 625,020 km (0.096 R)
• M3: 1,244,953 km (0.104 R)
• M4: 2,564,855 km (0.048 R)
• M5: 3,022,475 km (0.028 R)
• M6: 3,601,270 km (0.099 R)
• M7: 4,283,585 km (0.074 R)
• M8: 5,467,653 km (0.106 R)
• M9: 6,430,913 km (0.069 R)
• M10: 7,112,631 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.2

Radius: 9

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.82 AU - 2.32 AU

Year: 1923 Days

Day: 5.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,640,820 km

• M1: 112,198 km (0.05 R)
• M2: 682,017 km (0.111 R)
• M3: 1,043,146 km (0.12 R)
• M4: 1,392,607 km (0.096 R)
• M5: 2,075,371 km (0.113 R)
• M6: 2,566,950 km (0.105 R)
• M7: 2,877,964 km (0.1 R)
• M8: 3,350,394 km (0.107 R)
• M9: 3,708,382 km (0.047 R)
• M10: 4,220,006 km (0.093 R)
• M11: 5,176,535 km (0.064 R)
• M12: 5,499,816 km (0.072 R)
• M13: 6,123,938 km (0.105 R)
• M14: 6,573,031 km (0.082 R)
• M15: 8,462,303 km (0.053 R)
• M16: 9,433,193 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.2

Radius: 14.3

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.2 AU - 2.26 AU

Year: 2150 Days

Day: 6.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 59,640,820 km

• M1: 177,872 km (0.096 R)
• M2: 724,203 km (0.09 R)
• M3: 1,670,410 km (0.067 R)
• M4: 2,591,484 km (0.07 R)
• M5: 3,667,093 km (0.117 R)
• M6: 5,432,647 km (0.087 R)
• M7: 7,095,876 km (0.09 R)
• M8: 8,209,183 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 205.1

Radius: 7.7

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 6.45 AU - 7.15 AU

Year: 11449 Days

Day: 22.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 59,640,820 km

• M1: 95,743 km (0.114 R)
• M2: 453,431 km (0.083 R)
• M3: 864,077 km (0.094 R)
• M4: 1,330,823 km (0.116 R)
• M5: 1,688,212 km (0.104 R)
• M6: 2,897,860 km (0.083 R)
• M7: 3,200,796 km (0.112 R)
• M8: 3,729,475 km (0.042 R)
• M9: 4,960,366 km (0.089 R)
• M10: 5,335,857 km (0.118 R)
• M11: 6,441,834 km (0.081 R)
• M12: 7,066,704 km (0.082 R)
• M13: 10,907,480 km (0.107 R)
• M14: 15,459,594 km (0.026 R)
• M15: 16,768,575 km (0.069 R)
• M16: 17,417,381 km (0.1 R)
• M17: 17,881,284 km (0.05 R)
• M18: 19,042,313 km (0.083 R)
• M19: 23,703,633 km (0.114 R)
• M20: 25,695,229 km (0.086 R)
• M21: 26,123,827 km (0.101 R)
• M22: 27,795,883 km (0.096 R)

Asteroid Belt

Center: 8.83 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 10.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 247.8

Radius: 7.5

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 9.17 AU - 12.53 AU

Year: 23076 Days

Day: 21.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 59,640,820 km

• M1: 124,914 km (0.114 R)
• M2: 370,554 km (0.108 R)
• M3: 780,602 km (0.117 R)
• M4: 1,189,004 km (0.068 R)
• M5: 1,442,871 km (0.111 R)
• M6: 1,833,172 km (0.055 R)
• M7: 2,175,452 km (0.099 R)
• M8: 2,454,452 km (0.083 R)
• M9: 3,233,408 km (0.028 R)
• M10: 3,735,309 km (0.076 R)
• M11: 4,664,462 km (0.09 R)
• M12: 4,927,455 km (0.065 R)
• M13: 6,802,963 km (0.094 R)
• M14: 9,574,413 km (0.099 R)
• M15: 11,892,881 km (0.041 R)
• M16: 18,652,162 km (0.064 R)
• M17: 23,545,059 km (0.079 R)
• M18: 25,114,491 km (0.061 R)
• M19: 34,141,824 km (0.107 R)
• M20: 36,662,848 km (0.091 R)
• M21: 42,072,456 km (0.064 R)
• M22: 46,917,333 km (0.092 R)
• M23: 47,990,698 km (0.102 R)
• M24: 54,777,504 km (0.087 R)
• M25: 58,223,042 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: 522 - 13,016 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit