🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552

Radius: 11.7

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.75 AU - 1.09 AU

Year: 570 Days

Day: 9.9 Hours

Environment

Temp: -145 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,514,281 km

• M1: 145,559 km (0.109 R)
• M2: 568,322 km (0.092 R)
• M3: 1,096,253 km (0.082 R)
• M4: 1,526,796 km (0.106 R)
• M5: 2,070,883 km (0.102 R)
• M6: 2,596,720 km (0.095 R)
• M7: 3,025,916 km (0.112 R)
• M8: 3,642,110 km (0.075 R)
• M9: 4,668,351 km (0.097 R)
• M10: 5,191,495 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.4

Radius: 14.4

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.03 AU - 1.33 AU

Year: 828 Days

Day: 6.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,514,281 km

• M1: 181,462 km (0.094 R)
• M2: 795,262 km (0.081 R)
• M3: 1,807,142 km (0.112 R)
• M4: 3,097,424 km (0.062 R)
• M5: 3,876,230 km (0.065 R)
• M6: 4,503,046 km (0.099 R)
• M7: 5,730,346 km (0.092 R)
• M8: 6,239,578 km (0.104 R)
• M9: 7,060,122 km (0.119 R)
• M10: 7,577,132 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.8

Radius: 12

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.59 AU - 1.65 AU

Year: 1331 Days

Day: 12.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,514,281 km

• M1: 149,299 km (0.09 R)
• M2: 722,857 km (0.026 R)
• M3: 1,271,283 km (0.119 R)
• M4: 1,690,456 km (0.11 R)
• M5: 2,171,563 km (0.088 R)
• M6: 2,731,508 km (0.082 R)
• M7: 3,302,523 km (0.094 R)
• M8: 3,736,506 km (0.116 R)
• M9: 4,459,513 km (0.078 R)
• M10: 5,273,624 km (0.074 R)
• M11: 6,057,068 km (0.04 R)
• M12: 7,055,933 km (0.076 R)
• M13: 8,395,732 km (0.11 R)
• M14: 9,126,069 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.4

Radius: 9.2

Gravity: 10.8 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.62 AU - 1.88 AU

Year: 1495 Days

Day: 12.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,514,281 km

• M1: 114,592 km (0.112 R)
• M2: 524,789 km (0.105 R)
• M3: 1,101,639 km (0.108 R)
• M4: 1,828,684 km (0.118 R)
• M5: 2,152,713 km (0.096 R)
• M6: 2,568,595 km (0.093 R)
• M7: 3,143,799 km (0.098 R)
• M8: 3,446,137 km (0.099 R)
• M9: 3,891,190 km (0.094 R)
• M10: 4,221,652 km (0.099 R)
• M11: 5,758,770 km (0.072 R)
• M12: 6,848,591 km (0.119 R)
• M13: 8,609,657 km (0.12 R)
• M14: 9,045,734 km (0.077 R)
• M15: 10,269,595 km (0.083 R)
• M16: 11,047,803 km (0.065 R)
• M17: 11,902,755 km (0.09 R)
• M18: 12,405,104 km (0.085 R)
• M19: 14,168,265 km (0.056 R)
• M20: 14,557,369 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.2

Radius: 12

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.83 AU - 2.33 AU

Year: 1937 Days

Day: 9.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,514,281 km

• M1: 149,747 km (0.114 R)
• M2: 598,092 km (0.076 R)
• M3: 1,016,368 km (0.083 R)
• M4: 1,468,752 km (0.117 R)
• M5: 1,939,686 km (0.107 R)
• M6: 2,796,732 km (0.084 R)
• M7: 3,373,582 km (0.116 R)
• M8: 4,151,640 km (0.109 R)
• M9: 4,727,891 km (0.061 R)
• M10: 5,571,623 km (0.089 R)
• M11: 6,064,249 km (0.032 R)
• M12: 6,488,808 km (0.05 R)
• M13: 7,188,926 km (0.088 R)
• M14: 7,719,400 km (0.078 R)
• M15: 8,190,633 km (0.119 R)
• M16: 9,816,612 km (0.089 R)
• M17: 11,083,257 km (0.108 R)
• M18: 11,576,482 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.4

Radius: 13.9

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 3.8 AU - 5.84 AU

Year: 6833 Days

Day: 14.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 69,514,281 km

• M1: 174,282 km (0.109 R)
• M2: 665,262 km (0.108 R)
• M3: 1,752,240 km (0.05 R)
• M4: 2,545,557 km (0.046 R)
• M5: 3,681,753 km (0.088 R)
• M6: 5,161,575 km (0.098 R)
• M7: 5,860,347 km (0.099 R)
• M8: 6,450,511 km (0.115 R)
• M9: 7,522,529 km (0.107 R)
• M10: 9,004,445 km (0.082 R)
• M11: 11,758,692 km (0.088 R)
• M12: 12,916,430 km (0.115 R)
• M13: 13,862,038 km (0.118 R)
• M14: 15,829,100 km (0.117 R)
• M15: 17,305,930 km (0.034 R)
• M16: 19,582,960 km (0.094 R)
• M17: 26,709,952 km (0.083 R)
• M18: 30,315,560 km (0.103 R)
• M19: 32,285,016 km (0.084 R)
• M20: 35,934,755 km (0.076 R)
• M21: 36,368,738 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 721.4

Radius: 5.4

Gravity: 24.74 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 6.67 AU - 8.17 AU

Year: 13050 Days

Day: 18.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 139.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 69,514,281 km

• M1: 67,169 km (0.09 R)
• M2: 248,183 km (0.088 R)
• M3: 511,924 km (0.069 R)
• M4: 841,488 km (0.096 R)
• M5: 1,162,076 km (0.12 R)
• M6: 1,330,523 km (0.038 R)
• M7: 1,833,920 km (0.072 R)
• M8: 2,064,002 km (0.048 R)
• M9: 2,803,913 km (0.097 R)
• M10: 3,134,823 km (0.085 R)
• M11: 3,989,027 km (0.054 R)
• M12: 4,346,267 km (0.112 R)
• M13: 4,596,095 km (0.119 R)
• M14: 7,603,461 km (0.084 R)
• M15: 7,829,055 km (0.087 R)
• M16: 8,776,608 km (0.114 R)
• M17: 11,300,025 km (0.052 R)
• M18: 11,534,893 km (0.095 R)
• M19: 12,758,155 km (0.045 R)
• M20: 13,598,297 km (0.056 R)
• M21: 14,961,732 km (0.034 R)
• M22: 16,264,580 km (0.079 R)
• M23: 16,791,164 km (0.069 R)
• M24: 19,011,197 km (0.088 R)
• M25: 20,624,460 km (0.091 R)
• M26: 28,747,774 km (0.104 R)
• M27: 34,545,439 km (0.073 R)
• M28: 40,252,299 km (0.096 R)
• M29: 44,048,046 km (0.083 R)
• M30: 46,857,643 km (0.065 R)
• M31: 50,733,425 km (0.088 R)
• M32: 52,341,752 km (0.09 R)
• M33: 54,817,447 km (0.11 R)
• M34: 57,370,185 km (0.118 R)
• M35: 58,238,451 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 426.8

Radius: 7.7

Gravity: 7.2 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 9.35 AU - 11.75 AU

Year: 22126 Days

Day: 21.3 Hours

Environment

Temp: -240 °C

Axial Tilt: 112 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 69,514,281 km

• M1: 97,987 km (0.106 R)
• M2: 474,225 km (0.116 R)
• M3: 907,760 km (0.104 R)
• M4: 1,219,971 km (0.07 R)
• M5: 1,914,404 km (0.043 R)
• M6: 2,265,510 km (0.069 R)
• M7: 2,705,627 km (0.114 R)
• M8: 2,996,146 km (0.076 R)
• M9: 3,555,343 km (0.099 R)
• M10: 5,165,764 km (0.099 R)
• M11: 5,424,718 km (0.084 R)
• M12: 6,677,899 km (0.079 R)
• M13: 7,966,386 km (0.105 R)
• M14: 9,250,085 km (0.108 R)
• M15: 10,666,328 km (0.082 R)
• M16: 14,352,869 km (0.085 R)
• M17: 15,544,565 km (0.104 R)
• M18: 18,038,661 km (0.106 R)
• M19: 19,071,933 km (0.086 R)
• M20: 23,804,462 km (0.077 R)
• M21: 26,222,562 km (0.112 R)
• M22: 26,879,446 km (0.054 R)
• M23: 27,435,053 km (0.108 R)
• M24: 29,852,704 km (0.076 R)
• M25: 31,787,603 km (0.086 R)
• M26: 32,159,503 km (0.118 R)
• M27: 35,771,544 km (0.05 R)
• M28: 37,536,799 km (0.098 R)
• M29: 40,364,946 km (0.117 R)
• M30: 49,530,209 km (0.116 R)
• M31: 50,197,416 km (0.04 R)
• M32: 54,327,514 km (0.055 R)
• M33: 59,990,093 km (0.05 R)
• M34: 63,061,038 km (0.058 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 380 - 19,080 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit