🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.2

Radius: 9.7

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.53 AU - 0.75 AU

Year: 360 Days

Day: 7.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 41,989,719 km

• M1: 122,072 km (0.092 R)
• M2: 597,643 km (0.091 R)
• M3: 979,567 km (0.1 R)
• M4: 1,379,592 km (0.045 R)
• M5: 1,756,279 km (0.103 R)
• M6: 2,239,181 km (0.114 R)
• M7: 3,472,765 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.3

Radius: 8.9

Gravity: 7.64 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.79 AU - 0.97 AU

Year: 580 Days

Day: 8.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,989,719 km

• M1: 110,852 km (0.101 R)
• M2: 451,486 km (0.069 R)
• M3: 762,351 km (0.046 R)
• M4: 1,184,815 km (0.062 R)
• M5: 1,539,661 km (0.101 R)
• M6: 1,855,762 km (0.051 R)
• M7: 2,132,667 km (0.12 R)
• M8: 2,559,171 km (0.111 R)
• M9: 2,972,510 km (0.113 R)
• M10: 3,823,572 km (0.071 R)
• M11: 4,291,365 km (0.08 R)
• M12: 4,608,512 km (0.029 R)
• M13: 5,022,898 km (0.115 R)
• M14: 5,392,854 km (0.049 R)
• M15: 6,074,870 km (0.071 R)
• M16: 6,672,813 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.6

Radius: 14.1

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.12 AU - 1.78 AU

Year: 1227 Days

Day: 12.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,989,719 km

• M1: 176,226 km (0.109 R)
• M2: 723,306 km (0.043 R)
• M3: 1,292,974 km (0.065 R)
• M4: 1,893,610 km (0.1 R)
• M5: 2,373,819 km (0.087 R)
• M6: 3,517,495 km (0.081 R)
• M7: 5,492,037 km (0.115 R)
• M8: 6,318,715 km (0.111 R)
• M9: 8,000,195 km (0.07 R)
• M10: 8,596,791 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.2

Radius: 14

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.02 AU - 2.4 AU

Year: 2309 Days

Day: 12.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 41,989,719 km

• M1: 176,376 km (0.071 R)
• M2: 615,595 km (0.045 R)
• M3: 1,125,126 km (0.097 R)
• M4: 1,579,754 km (0.043 R)
• M5: 2,336,569 km (0.042 R)
• M6: 3,003,925 km (0.03 R)
• M7: 3,511,810 km (0.1 R)
• M8: 4,232,722 km (0.118 R)
• M9: 8,055,097 km (0.071 R)
• M10: 9,177,829 km (0.043 R)
• M11: 10,366,085 km (0.097 R)
• M12: 10,846,594 km (0.058 R)
• M13: 11,342,062 km (0.109 R)
• M14: 12,626,359 km (0.057 R)
• M15: 13,520,656 km (0.092 R)
• M16: 14,365,584 km (0.109 R)
• M17: 15,340,214 km (0.04 R)
• M18: 16,210,425 km (0.067 R)
• M19: 16,707,838 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.4

Radius: 14.2

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.91 AU - 4.07 AU

Year: 4583 Days

Day: 10 Hours

Environment

Temp: -225 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,989,719 km

• M1: 198,516 km (0.11 R)
• M2: 792,121 km (0.118 R)
• M3: 2,173,657 km (0.046 R)
• M4: 2,646,835 km (0.077 R)
• M5: 3,157,562 km (0.094 R)
• M6: 4,010,569 km (0.115 R)
• M7: 6,175,101 km (0.073 R)
• M8: 9,197,427 km (0.038 R)
• M9: 11,704,687 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.7

Radius: 12

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 3.45 AU - 5.25 AU

Year: 6377 Days

Day: 10 Hours

Environment

Temp: -222 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 41,989,719 km

• M1: 149,299 km (0.095 R)
• M2: 544,835 km (0.047 R)
• M3: 1,078,301 km (0.071 R)
• M4: 1,579,903 km (0.073 R)
• M5: 2,235,890 km (0.055 R)
• M6: 3,513,306 km (0.109 R)
• M7: 5,308,780 km (0.044 R)
• M8: 6,815,679 km (0.118 R)
• M9: 7,685,591 km (0.087 R)
• M10: 8,971,833 km (0.104 R)
• M11: 9,850,721 km (0.118 R)
• M12: 11,230,611 km (0.1 R)
• M13: 11,640,958 km (0.093 R)
• M14: 13,587,675 km (0.094 R)
• M15: 14,746,461 km (0.105 R)
• M16: 16,842,327 km (0.111 R)
• M17: 17,260,154 km (0.101 R)
• M18: 19,584,755 km (0.111 R)
• M19: 20,993,219 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 452.9

Radius: 4.5

Gravity: 22.37 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 5.85 AU - 5.95 AU

Year: 10074 Days

Day: 21.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 41,989,719 km

• M1: 55,950 km (0.106 R)
• M2: 316,998 km (0.088 R)
• M3: 889,958 km (0.112 R)
• M4: 1,198,728 km (0.057 R)
• M5: 1,403,527 km (0.101 R)
• M6: 1,703,022 km (0.093 R)
• M7: 2,373,669 km (0.09 R)
• M8: 2,944,236 km (0.081 R)
• M9: 3,138,563 km (0.068 R)
• M10: 3,295,641 km (0.096 R)
• M11: 3,674,572 km (0.041 R)
• M12: 4,351,503 km (0.116 R)
• M13: 4,926,108 km (0.116 R)
• M14: 5,357,399 km (0.106 R)
• M15: 5,880,692 km (0.083 R)
• M16: 6,581,708 km (0.114 R)
• M17: 8,359,978 km (0.099 R)
• M18: 8,532,015 km (0.063 R)
• M19: 10,836,870 km (0.102 R)
• M20: 11,994,757 km (0.082 R)
• M21: 14,002,959 km (0.066 R)
• M22: 15,118,211 km (0.054 R)
• M23: 16,560,185 km (0.062 R)
• M24: 17,524,044 km (0.046 R)
• M25: 19,113,222 km (0.11 R)
• M26: 24,982,994 km (0.074 R)
• M27: 26,065,335 km (0.103 R)
• M28: 27,556,526 km (0.108 R)
• M29: 27,938,001 km (0.114 R)
• M30: 28,130,084 km (0.102 R)
• M31: 29,400,021 km (0.083 R)
• M32: 30,707,805 km (0.069 R)
• M33: 31,635,462 km (0.056 R)
• M34: 35,197,237 km (0.106 R)
• M35: 36,327,001 km (0.09 R)
• M36: 37,248,224 km (0.113 R)
• M37: 39,377,451 km (0.047 R)
• M38: 41,962,502 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 106

Radius: 8

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 8.83 AU - 10.33 AU

Year: 20843 Days

Day: 22.8 Hours

Environment

Temp: -241 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 41,989,719 km

• M1: 99,632 km (0.075 R)
• M2: 352,004 km (0.083 R)
• M3: 629,358 km (0.064 R)
• M4: 914,941 km (0.088 R)
• M5: 1,688,511 km (0.119 R)
• M6: 2,326,247 km (0.118 R)
• M7: 2,986,572 km (0.118 R)
• M8: 3,916,771 km (0.116 R)
• M9: 4,878,536 km (0.089 R)
• M10: 5,180,275 km (0.076 R)
• M11: 6,057,816 km (0.104 R)
• M12: 6,993,252 km (0.114 R)
• M13: 7,574,888 km (0.105 R)
• M14: 8,443,005 km (0.092 R)
• M15: 9,375,897 km (0.098 R)
• M16: 10,774,787 km (0.07 R)
• M17: 11,763,629 km (0.063 R)
• M18: 17,143,318 km (0.114 R)
• M19: 17,420,822 km (0.115 R)
• M20: 18,560,907 km (0.12 R)
• M21: 19,298,425 km (0.055 R)
• M22: 20,363,262 km (0.055 R)
• M23: 21,147,604 km (0.115 R)
• M24: 23,111,973 km (0.101 R)
• M25: 23,621,504 km (0.042 R)
• M26: 26,373,955 km (0.095 R)
• M27: 32,400,804 km (0.109 R)
• M28: 35,450,955 km (0.115 R)
• M29: 40,745,523 km (0.068 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 446 - 18,618 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit