🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.2

Radius: 12.2

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.55 AU - 0.75 AU

Year: 355 Days

Day: 8.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,945,583 km

• M1: 151,991 km (0.059 R)
• M2: 612,005 km (0.094 R)
• M3: 1,121,984 km (0.06 R)
• M4: 1,590,525 km (0.088 R)
• M5: 2,036,775 km (0.071 R)
• M6: 2,502,623 km (0.084 R)
• M7: 3,188,230 km (0.119 R)
• M8: 3,700,303 km (0.055 R)
• M9: 4,319,938 km (0.104 R)
• M10: 4,747,040 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 222

Radius: 10.7

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.65 AU - 0.93 AU

Year: 476 Days

Day: 9.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,945,583 km

• M1: 133,292 km (0.115 R)
• M2: 497,563 km (0.113 R)
• M3: 834,457 km (0.102 R)
• M4: 1,211,743 km (0.078 R)
• M5: 1,797,867 km (0.117 R)
• M6: 2,247,708 km (0.061 R)
• M7: 3,000,185 km (0.103 R)
• M8: 3,516,448 km (0.099 R)
• M9: 4,091,352 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 830.1

Radius: 10.8

Gravity: 7.12 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.79 AU - 0.87 AU

Year: 513 Days

Day: 15 Hours

Environment

Temp: -165 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,945,583 km

• M1: 134,339 km (0.08 R)
• M2: 551,119 km (0.094 R)
• M3: 923,767 km (0.073 R)
• M4: 1,330,075 km (0.071 R)
• M5: 1,840,054 km (0.108 R)
• M6: 2,291,091 km (0.117 R)
• M7: 2,782,221 km (0.108 R)
• M8: 3,148,138 km (0.096 R)
• M9: 3,757,599 km (0.051 R)
• M10: 4,105,414 km (0.087 R)
• M11: 4,979,814 km (0.068 R)
• M12: 5,558,010 km (0.114 R)
• M13: 6,161,488 km (0.119 R)
• M14: 7,054,288 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.2

Radius: 12.8

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.31 AU - 1.57 AU

Year: 1172 Days

Day: 12.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,945,583 km

• M1: 159,172 km (0.108 R)
• M2: 683,662 km (0.08 R)
• M3: 1,171,351 km (0.065 R)
• M4: 1,648,120 km (0.11 R)
• M5: 2,405,384 km (0.106 R)
• M6: 2,831,738 km (0.087 R)
• M7: 3,774,504 km (0.098 R)
• M8: 4,648,754 km (0.091 R)
• M9: 5,483,510 km (0.074 R)
• M10: 6,071,430 km (0.076 R)
• M11: 7,019,431 km (0.086 R)
• M12: 7,687,087 km (0.092 R)
• M13: 8,652,292 km (0.094 R)
• M14: 9,634,701 km (0.118 R)
• M15: 10,823,256 km (0.102 R)
• M16: 11,470,417 km (0.044 R)
• M17: 12,143,158 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.6

Radius: 13

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.46 AU - 3.94 AU

Year: 3883 Days

Day: 14.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,945,583 km

• M1: 161,715 km (0.118 R)
• M2: 588,518 km (0.05 R)
• M3: 1,088,175 km (0.089 R)
• M4: 1,537,717 km (0.105 R)
• M5: 2,213,749 km (0.101 R)
• M6: 2,922,544 km (0.072 R)
• M7: 3,400,060 km (0.069 R)
• M8: 3,815,643 km (0.115 R)
• M9: 6,733,849 km (0.088 R)
• M10: 7,217,948 km (0.118 R)
• M11: 7,786,569 km (0.056 R)
• M12: 8,288,470 km (0.092 R)
• M13: 12,728,086 km (0.072 R)
• M14: 16,629,748 km (0.053 R)
• M15: 17,411,397 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.3

Radius: 13.8

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.51 AU - 3.99 AU

Year: 3974 Days

Day: 8.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 72,945,583 km

• M1: 177,124 km (0.118 R)
• M2: 712,535 km (0.039 R)
• M3: 1,180,028 km (0.107 R)
• M4: 1,700,479 km (0.102 R)
• M5: 2,241,275 km (0.06 R)
• M6: 2,810,046 km (0.103 R)
• M7: 3,395,722 km (0.074 R)
• M8: 3,952,675 km (0.114 R)
• M9: 4,740,607 km (0.09 R)
• M10: 8,310,760 km (0.111 R)
• M11: 9,726,106 km (0.051 R)
• M12: 10,218,133 km (0.082 R)
• M13: 11,476,251 km (0.075 R)
• M14: 14,090,474 km (0.06 R)
• M15: 15,044,011 km (0.096 R)
• M16: 16,040,183 km (0.08 R)
• M17: 19,679,899 km (0.028 R)
• M18: 23,543,713 km (0.076 R)
• M19: 25,191,085 km (0.093 R)
• M20: 25,653,492 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.8

Radius: 13.8

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 3.37 AU - 4.05 AU

Year: 4847 Days

Day: 8.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 72,945,583 km

• M1: 173,234 km (0.105 R)
• M2: 654,341 km (0.08 R)
• M3: 1,800,710 km (0.102 R)
• M4: 2,239,181 km (0.092 R)
• M5: 2,836,675 km (0.118 R)
• M6: 5,349,620 km (0.068 R)
• M7: 6,395,907 km (0.106 R)
• M8: 7,334,484 km (0.103 R)
• M9: 9,205,954 km (0.071 R)
• M10: 10,020,514 km (0.113 R)
• M11: 10,706,420 km (0.106 R)
• M12: 11,982,041 km (0.053 R)
• M13: 12,607,809 km (0.113 R)
• M14: 14,135,204 km (0.069 R)
• M15: 15,053,884 km (0.096 R)
• M16: 16,185,143 km (0.103 R)
• M17: 16,830,957 km (0.086 R)
• M18: 17,433,089 km (0.051 R)
• M19: 19,986,575 km (0.09 R)
• M20: 23,368,534 km (0.028 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 705.7

Radius: 3

Gravity: 78.41 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 8.24 AU - 9.88 AU

Year: 18496 Days

Day: 20.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 72,945,583 km

• M1: 37,399 km (0.066 R)
• M2: 157,078 km (0.113 R)
• M3: 364,869 km (0.109 R)
• M4: 569,669 km (0.119 R)
• M5: 674,686 km (0.086 R)
• M6: 2,146,879 km (0.066 R)
• M7: 2,359,757 km (0.118 R)
• M8: 2,778,332 km (0.052 R)
• M9: 2,877,665 km (0.084 R)
• M10: 3,005,272 km (0.102 R)
• M11: 3,190,175 km (0.087 R)
• M12: 3,553,548 km (0.104 R)
• M13: 3,730,373 km (0.074 R)
• M14: 4,496,613 km (0.1 R)
• M15: 4,844,877 km (0.058 R)
• M16: 5,173,394 km (0.046 R)
• M17: 5,324,039 km (0.042 R)
• M18: 7,462,839 km (0.055 R)
• M19: 7,900,413 km (0.072 R)
• M20: 9,371,259 km (0.059 R)
• M21: 9,995,980 km (0.119 R)
• M22: 11,710,073 km (0.089 R)
• M23: 12,035,597 km (0.113 R)
• M24: 14,043,051 km (0.051 R)
• M25: 17,751,882 km (0.104 R)
• M26: 20,808,166 km (0.071 R)
• M27: 22,360,543 km (0.116 R)
• M28: 23,164,931 km (0.106 R)
• M29: 23,884,347 km (0.114 R)
• M30: 24,302,024 km (0.067 R)
• M31: 25,259,750 km (0.084 R)
• M32: 25,802,641 km (0.119 R)
• M33: 28,986,682 km (0.094 R)
• M34: 30,305,985 km (0.11 R)
• M35: 33,582,328 km (0.061 R)
• M36: 43,870,623 km (0.054 R)
• M37: 45,606,856 km (0.113 R)
• M38: 46,411,094 km (0.052 R)
• M39: 46,572,959 km (0.116 R)
• M40: 51,782,705 km (0.105 R)
• M41: 53,720,745 km (0.027 R)
• M42: 71,425,204 km (0.052 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 293 - 18,173 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit