🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.5

Radius: 10.6

Gravity: 6.86 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.7 AU - 0.88 AU

Year: 461 Days

Day: 13.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,069,869 km

• M1: 131,796 km (0.055 R)
• M2: 613,501 km (0.041 R)
• M3: 1,136,345 km (0.116 R)
• M4: 1,753,437 km (0.075 R)
• M5: 2,339,561 km (0.047 R)
• M6: 3,416,815 km (0.029 R)
• M7: 3,758,198 km (0.054 R)
• M8: 5,194,487 km (0.108 R)
• M9: 5,596,157 km (0.111 R)
• M10: 6,127,529 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.6

Radius: 8.9

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.69 AU - 0.97 AU

Year: 496 Days

Day: 14.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,069,869 km

• M1: 110,702 km (0.075 R)
• M2: 441,613 km (0.093 R)
• M3: 890,855 km (0.091 R)
• M4: 1,216,679 km (0.05 R)
• M5: 1,497,026 km (0.11 R)
• M6: 1,903,633 km (0.04 R)
• M7: 2,226,016 km (0.081 R)
• M8: 2,556,478 km (0.067 R)
• M9: 3,512,259 km (0.088 R)
• M10: 3,899,717 km (0.087 R)
• M11: 4,369,604 km (0.09 R)
• M12: 4,660,871 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.5

Radius: 11.8

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.73 AU - 2.13 AU

Year: 1759 Days

Day: 13.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,069,869 km

• M1: 146,756 km (0.079 R)
• M2: 568,771 km (0.099 R)
• M3: 1,084,435 km (0.077 R)
• M4: 1,495,530 km (0.09 R)
• M5: 2,021,666 km (0.051 R)
• M6: 2,852,083 km (0.06 R)
• M7: 3,353,087 km (0.1 R)
• M8: 3,805,022 km (0.056 R)
• M9: 4,364,069 km (0.077 R)
• M10: 6,077,563 km (0.043 R)
• M11: 6,798,176 km (0.046 R)
• M12: 8,701,360 km (0.066 R)
• M13: 9,588,625 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548.4

Radius: 9.2

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.71 AU - 2.75 AU

Year: 2185 Days

Day: 12.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,069,869 km

• M1: 114,442 km (0.112 R)
• M2: 406,009 km (0.103 R)
• M3: 1,036,264 km (0.099 R)
• M4: 1,664,576 km (0.083 R)
• M5: 1,954,496 km (0.061 R)
• M6: 2,407,479 km (0.108 R)
• M7: 2,781,324 km (0.106 R)
• M8: 3,083,063 km (0.053 R)
• M9: 3,594,238 km (0.068 R)
• M10: 4,355,991 km (0.107 R)
• M11: 4,702,011 km (0.09 R)
• M12: 5,380,287 km (0.106 R)
• M13: 6,222,972 km (0.096 R)
• M14: 6,689,418 km (0.043 R)
• M15: 7,750,666 km (0.108 R)
• M16: 8,507,631 km (0.109 R)
• M17: 8,823,881 km (0.095 R)
• M18: 9,480,167 km (0.067 R)
• M19: 10,381,494 km (0.112 R)
• M20: 13,470,989 km (0.115 R)
• M21: 13,988,448 km (0.104 R)
• M22: 14,474,492 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634

Radius: 10.6

Gravity: 5.64 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 2.55 AU - 2.61 AU

Year: 2719 Days

Day: 5.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,069,869 km

• M1: 131,945 km (0.119 R)
• M2: 502,499 km (0.116 R)
• M3: 1,134,251 km (0.111 R)
• M4: 1,658,442 km (0.075 R)
• M5: 2,312,185 km (0.085 R)
• M6: 3,030,703 km (0.039 R)
• M7: 3,737,703 km (0.108 R)
• M8: 5,935,744 km (0.083 R)
• M9: 6,896,761 km (0.08 R)
• M10: 8,883,271 km (0.043 R)
• M11: 9,265,793 km (0.116 R)
• M12: 9,659,235 km (0.084 R)
• M13: 10,828,492 km (0.083 R)
• M14: 12,301,882 km (0.101 R)
• M15: 16,511,715 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.6

Radius: 14

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 2.76 AU - 3.42 AU

Year: 3563 Days

Day: 10.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,069,869 km

• M1: 174,132 km (0.103 R)
• M2: 700,118 km (0.114 R)
• M3: 1,176,737 km (0.112 R)
• M4: 1,694,196 km (0.105 R)
• M5: 2,379,953 km (0.09 R)
• M6: 3,245,825 km (0.034 R)
• M7: 4,176,324 km (0.094 R)
• M8: 5,411,703 km (0.082 R)
• M9: 6,232,696 km (0.111 R)
• M10: 8,857,092 km (0.103 R)
• M11: 10,330,182 km (0.106 R)
• M12: 11,640,061 km (0.103 R)
• M13: 12,429,937 km (0.109 R)
• M14: 14,482,570 km (0.075 R)
• M15: 15,617,419 km (0.109 R)
• M16: 16,065,016 km (0.096 R)
• M17: 16,985,941 km (0.103 R)
• M18: 18,996,536 km (0.105 R)
• M19: 19,442,637 km (0.051 R)
• M20: 20,555,346 km (0.113 R)
• M21: 21,297,501 km (0.098 R)
• M22: 26,211,043 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 430.8

Radius: 6.8

Gravity: 9.32 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 8.59 AU - 12.09 AU

Year: 21812 Days

Day: 22.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 69,069,869 km

• M1: 85,570 km (0.104 R)
• M2: 493,673 km (0.114 R)
• M3: 1,124,078 km (0.06 R)
• M4: 1,339,499 km (0.12 R)
• M5: 1,664,725 km (0.05 R)
• M6: 2,100,205 km (0.07 R)
• M7: 3,170,876 km (0.108 R)
• M8: 4,633,345 km (0.102 R)
• M9: 5,343,038 km (0.057 R)
• M10: 6,976,048 km (0.099 R)
• M11: 10,589,136 km (0.061 R)
• M12: 11,375,272 km (0.115 R)
• M13: 12,659,570 km (0.109 R)
• M14: 14,037,666 km (0.045 R)
• M15: 26,264,749 km (0.047 R)
• M16: 28,152,524 km (0.116 R)
• M17: 34,877,846 km (0.11 R)
• M18: 42,599,938 km (0.111 R)
• M19: 43,657,595 km (0.05 R)
• M20: 45,668,490 km (0.078 R)
• M21: 46,776,262 km (0.116 R)
• M22: 47,740,121 km (0.044 R)
• M23: 50,207,439 km (0.063 R)
• M24: 52,585,746 km (0.075 R)
• M25: 52,931,467 km (0.106 R)
• M26: 53,627,545 km (0.094 R)
• M27: 60,927,772 km (0.074 R)
• M28: 63,435,780 km (0.053 R)
• M29: 68,040,253 km (0.114 R)
• M30: 68,656,746 km (0.094 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 383 - 15,158 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit