🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.5

Radius: 14.7

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.53 AU - 0.57 AU

Year: 282 Days

Day: 9.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 74,189,763 km

• M1: 182,809 km (0.109 R)
• M2: 660,624 km (0.109 R)
• M3: 1,196,783 km (0.082 R)
• M4: 2,108,732 km (0.106 R)
• M5: 2,628,435 km (0.11 R)
• M6: 3,140,658 km (0.103 R)
• M7: 3,673,525 km (0.108 R)
• M8: 4,140,869 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.2

Radius: 8.3

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.51 AU - 0.61 AU

Year: 289 Days

Day: 11 Hours

Environment

Temp: -149 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 74,189,763 km

• M1: 103,821 km (0.097 R)
• M2: 384,167 km (0.105 R)
• M3: 754,123 km (0.053 R)
• M4: 1,614,311 km (0.112 R)
• M5: 1,929,663 km (0.055 R)
• M6: 2,544,809 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.8

Radius: 8.7

Gravity: 12.72 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.47 AU - 0.67 AU

Year: 297 Days

Day: 8.2 Hours

Environment

Temp: -140 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 74,189,763 km

• M1: 108,159 km (0.088 R)
• M2: 398,230 km (0.107 R)
• M3: 669,301 km (0.067 R)
• M4: 1,086,829 km (0.104 R)
• M5: 1,368,821 km (0.105 R)
• M6: 1,658,741 km (0.035 R)
• M7: 2,260,723 km (0.079 R)
• M8: 2,593,877 km (0.031 R)
• M9: 3,117,769 km (0.099 R)
• M10: 3,662,455 km (0.061 R)
• M11: 4,111,398 km (0.043 R)
• M12: 4,403,563 km (0.114 R)
• M13: 4,766,787 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.2

Radius: 11.3

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.82 AU - 2.48 AU

Year: 2176 Days

Day: 14 Hours

Environment

Temp: -201 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 74,189,763 km

• M1: 140,472 km (0.09 R)
• M2: 623,075 km (0.068 R)
• M3: 1,006,494 km (0.118 R)
• M4: 1,790,537 km (0.051 R)
• M5: 2,450,563 km (0.056 R)
• M6: 2,853,131 km (0.113 R)
• M7: 3,216,803 km (0.04 R)
• M8: 4,355,841 km (0.1 R)
• M9: 4,711,136 km (0.061 R)
• M10: 5,456,433 km (0.067 R)
• M11: 6,516,633 km (0.109 R)
• M12: 6,983,079 km (0.118 R)
• M13: 8,809,968 km (0.083 R)
• M14: 10,936,352 km (0.098 R)
• M15: 14,004,605 km (0.11 R)
• M16: 14,736,587 km (0.119 R)
• M17: 15,397,810 km (0.067 R)
• M18: 16,177,514 km (0.107 R)
• M19: 17,292,467 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668

Radius: 8.6

Gravity: 9.03 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 3.52 AU - 3.76 AU

Year: 4794 Days

Day: 13.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 74,189,763 km

• M1: 112,946 km (0.101 R)
• M2: 493,075 km (0.054 R)
• M3: 785,538 km (0.111 R)
• M4: 1,149,360 km (0.12 R)
• M5: 2,478,238 km (0.038 R)
• M6: 2,985,973 km (0.056 R)
• M7: 3,498,795 km (0.076 R)
• M8: 7,154,817 km (0.109 R)
• M9: 7,854,487 km (0.102 R)
• M10: 8,598,886 km (0.12 R)
• M11: 9,430,351 km (0.084 R)
• M12: 10,401,390 km (0.11 R)
• M13: 13,298,204 km (0.089 R)
• M14: 16,813,155 km (0.079 R)
• M15: 17,921,077 km (0.09 R)
• M16: 18,364,784 km (0.116 R)
• M17: 20,625,208 km (0.09 R)
• M18: 23,969,917 km (0.106 R)
• M19: 24,820,232 km (0.066 R)
• M20: 25,371,799 km (0.041 R)
• M21: 26,992,542 km (0.103 R)
• M22: 28,595,184 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 157.3

Radius: 7.9

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 5.37 AU - 5.79 AU

Year: 9098 Days

Day: 22.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 74,189,763 km

• M1: 101,278 km (0.102 R)
• M2: 468,541 km (0.111 R)
• M3: 727,345 km (0.078 R)
• M4: 1,347,727 km (0.105 R)
• M5: 1,895,704 km (0.099 R)
• M6: 3,593,191 km (0.077 R)
• M7: 4,495,117 km (0.055 R)
• M8: 5,796,020 km (0.047 R)
• M9: 7,163,195 km (0.101 R)
• M10: 10,136,453 km (0.086 R)
• M11: 12,931,090 km (0.12 R)
• M12: 13,231,034 km (0.115 R)
• M13: 14,801,213 km (0.093 R)
• M14: 17,995,876 km (0.04 R)
• M15: 20,051,650 km (0.094 R)
• M16: 20,319,131 km (0.098 R)
• M17: 20,998,455 km (0.117 R)
• M18: 26,104,080 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 190.7

Radius: 6.5

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 6.25 AU - 6.75 AU

Year: 11439 Days

Day: 24.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 74,189,763 km

• M1: 84,822 km (0.072 R)
• M2: 370,704 km (0.059 R)
• M3: 716,424 km (0.113 R)
• M4: 1,012,179 km (0.11 R)
• M5: 2,029,744 km (0.115 R)
• M6: 2,400,298 km (0.118 R)
• M7: 5,051,023 km (0.097 R)
• M8: 7,094,978 km (0.076 R)
• M9: 9,503,205 km (0.074 R)
• M10: 12,047,715 km (0.111 R)
• M11: 15,013,642 km (0.111 R)
• M12: 15,855,280 km (0.073 R)
• M13: 24,075,833 km (0.047 R)
• M14: 24,482,888 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 633.7

Radius: 5.8

Gravity: 18.84 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 7.09 AU - 11.79 AU

Year: 20020 Days

Day: 19 Hours

Environment

Temp: -233 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 74,189,763 km

• M1: 72,555 km (0.108 R)
• M2: 364,420 km (0.073 R)
• M3: 778,358 km (0.068 R)
• M4: 1,936,395 km (0.049 R)
• M5: 2,280,171 km (0.114 R)
• M6: 2,569,792 km (0.09 R)
• M7: 3,195,710 km (0.097 R)
• M8: 6,472,202 km (0.076 R)
• M9: 6,916,508 km (0.061 R)
• M10: 9,392,502 km (0.09 R)
• M11: 11,873,134 km (0.093 R)
• M12: 13,943,120 km (0.101 R)
• M13: 14,458,634 km (0.083 R)
• M14: 14,910,569 km (0.112 R)
• M15: 18,960,333 km (0.12 R)
• M16: 20,709,880 km (0.095 R)
• M17: 25,822,687 km (0.11 R)
• M18: 26,937,341 km (0.118 R)
• M19: 28,316,783 km (0.057 R)
• M20: 30,473,086 km (0.09 R)
• M21: 32,351,736 km (0.112 R)
• M22: 39,461,226 km (0.09 R)
• M23: 41,993,768 km (0.071 R)
• M24: 44,159,047 km (0.057 R)
• M25: 45,429,133 km (0.105 R)
• M26: 46,397,630 km (0.057 R)
• M27: 47,544,746 km (0.101 R)
• M28: 49,216,203 km (0.083 R)
• M29: 50,926,406 km (0.094 R)
• M30: 51,273,174 km (0.118 R)
• M31: 55,374,400 km (0.118 R)
• M32: 57,975,009 km (0.055 R)
• M33: 61,240,880 km (0.079 R)
• M34: 66,676,669 km (0.105 R)
• M35: 72,863,588 km (0.178 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 458 - 11,061 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit